Attachment 346604 Details for Bug 188245 – Patch

[patch] Patch

bug-188245-20180805155053.patch (text/plain), 171.65 KB, created by Darin Adler on 2018-08-05 15:50:55 PDT

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Creator: Darin Adler

Created: 2018-08-05 15:50:55 PDT

Size: 171.65 KB

patch

obsolete

>Subversion Revision: 234583
>diff --git a/Source/JavaScriptCore/ChangeLog b/Source/JavaScriptCore/ChangeLog
>index f9e61d61e6cc925044f863bc4e228dd6951570f9..127c42ce7a05dfb5870d6f383fd346262a857df9 100644
>--- a/Source/JavaScriptCore/ChangeLog
>+++ b/Source/JavaScriptCore/ChangeLog
>@@ -1,3 +1,16 @@
>+2018-08-05  Darin Adler  <darin@apple.com>
>+
>+        [Cocoa] More tweaks and refactoring to prepare for ARC
>+        https://bugs.webkit.org/show_bug.cgi?id=188245
>+
>+        Reviewed by NOBODY (OOPS!).
>+
>+        * API/JSValue.mm: Use __unsafe_unretained.
>+        (JSContainerConvertor::convert): Use auto for compatibility with the above.
>+        * API/JSWrapperMap.mm:
>+        (allocateConstructorForCustomClass): Use CFTypeRef instead of Protocol *.
>+        (-[JSWrapperMap initWithGlobalContextRef:]): Use __unsafe_unretained.
>+
> 2018-08-04  David Kilzer  <ddkilzer@apple.com>
> 
>         REGRESSION (r208953): TemplateObjectDescriptor constructor calculates m_hash on use-after-move variable
>diff --git a/Source/WTF/ChangeLog b/Source/WTF/ChangeLog
>index f0e47f384ce5e3d251afcda1a3b025c8bc247ae6..b66ff60b927aa3fbcce102b427a3d7a2b39757bb 100644
>--- a/Source/WTF/ChangeLog
>+++ b/Source/WTF/ChangeLog
>@@ -1,3 +1,25 @@
>+2018-08-05  Darin Adler  <darin@apple.com>
>+
>+        [Cocoa] More tweaks and refactoring to prepare for ARC
>+        https://bugs.webkit.org/show_bug.cgi?id=188245
>+
>+        Reviewed by NOBODY (OOPS!).
>+
>+        * wtf/BlockPtr.h: Added missing include of "StdLibExtras.h".
>+        Also re-sorted includes.
>+
>+        * wtf/HashFunctions.h: Add function for "__unsafe_unretained id".
>+        * wtf/HashTraits.h: Add traits for "__unsafe_unretained id".
>+
>+        * wtf/WeakObjCPtr.h: Use mutable instead of const_cast, and write a version
>+        that uses __weak explicitly under ARC. Also moved function declarations from
>+        here to FoundationSPI.h.
>+
>+        * wtf/spi/cocoa/FoundationSPI.h: Added the additional functions used by
>+        WeakObjCPtr.h. Also changed to both include the internal header and the
>+        function definitions when compiling with USE(APPLE_INTERNAL_SDK), helping us
>+        check that function definitions match.
>+
> 2018-08-03  Ben Richards  <benton_richards@apple.com>
> 
>         We should cache the compiled sandbox profile in a data vault
>diff --git a/Source/WebKit/ChangeLog b/Source/WebKit/ChangeLog
>index f459f8dbc592f665bea3faa5bc64b65cfeedfb45..deb38546dfe6e797192defa246e552c2438ac06e 100644
>--- a/Source/WebKit/ChangeLog
>+++ b/Source/WebKit/ChangeLog
>@@ -1,3 +1,26 @@
>+2018-08-05  Darin Adler  <darin@apple.com>
>+
>+        [Cocoa] More tweaks and refactoring to prepare for ARC
>+        https://bugs.webkit.org/show_bug.cgi?id=188245
>+
>+        Reviewed by NOBODY (OOPS!).
>+
>+        * Platform/cocoa/WKCrashReporter.mm:
>+        (WebKit::setCrashLogMessage): Refactor into a separate function for clarity.
>+        (WebKit::setCrashReportApplicationSpecificInformation): Use a bridging cast.
>+
>+        * Shared/mac/PasteboardTypes.mm:
>+        (WebKit::PasteboardTypes::forEditing): Use a bridging cast.
>+
>+        * WebProcess/Plugins/Netscape/mac/NetscapePluginMac.mm:
>+        (WebKit::convertToNPNNString): Added. Uses CFStringRef rather than NSString so we can
>+        manually manage the autoreleasing.
>+        (WebKit::initializeKeyboardEvent): Use convertToNPNNString.
>+        (WebKit::NetscapePlugin::sendComplexTextInput): Ditto.
>+
>+        * WebProcess/Plugins/PDF/PDFPlugin.mm: Use __unsafe_unretained explicitly
>+        for a parent pointer. We could consider moving to __weak after switching to ARC.
>+
> 2018-08-03  Ben Richards  <benton_richards@apple.com>
> 
>         We should cache the compiled sandbox profile in a data vault
>diff --git a/Source/WebKitLegacy/mac/ChangeLog b/Source/WebKitLegacy/mac/ChangeLog
>index 7f6b25e7238d499806524592873fb67d9d4c30b3..45836aa7ab5578c5ac4a25b3f0584896122d989c 100644
>--- a/Source/WebKitLegacy/mac/ChangeLog
>+++ b/Source/WebKitLegacy/mac/ChangeLog
>@@ -1,3 +1,154 @@
>+2018-08-05  Darin Adler  <darin@apple.com>
>+
>+        [Cocoa] More tweaks and refactoring to prepare for ARC
>+        https://bugs.webkit.org/show_bug.cgi?id=188245
>+
>+        Reviewed by NOBODY (OOPS!).
>+
>+        * Carbon/CarbonWindowFrame.m:
>+        (-[CarbonWindowFrame dealloc]): Deleted. It was empty.
>+
>+        * DOM/DOM.mm:
>+        (-[DOMElement _imageTIFFRepresentation]): Use a bridging cast.
>+        (-[DOMNodeFilter finalize]): Deleted. WebKit no longer supports Objective-C
>+        garbage collection so this method isn't useful.
>+
>+        * DOM/DOMXPath.mm:
>+        (-[DOMNativeXPathNSResolver finalize]): Deleted. WebKit no longer supports
>+        Objective-C garbage collection so this method isn't useful.
>+
>+        * History/WebHistory.mm:
>+        (-[WebHistoryPrivate data]): Allocate an NSData instead of casting from a CFData.
>+
>+        * Misc/WebElementDictionary.mm:
>+        (addLookupKey): Use a bridging cast.
>+        (cacheValueForKey): Ditto.
>+        (-[WebElementDictionary _fillCache]): Ditto.
>+        (-[WebElementDictionary objectForKey:]): Ditto.
>+
>+        * Misc/WebKitNSStringExtras.mm:
>+        (-[NSString _web_drawAtPoint:font:textColor:]): Use a bridging cast.
>+        (-[NSString _web_widthWithFont:]): Ditto.
>+        (-[NSString _webkit_stringByTrimmingWhitespace]): Ditto.
>+
>+        * Misc/WebLocalizableStrings.mm:
>+        (WebLocalizedString): Use a bridging cast.
>+
>+        * Misc/WebNSDataExtras.mm:
>+        (-[NSString _web_capitalizeRFC822HeaderFieldName]): Use a bridging cast
>+        and use CFBridgingRelease instead of calling autorelease directly.
>+        (-[NSData _webkit_parseRFC822HeaderFields]): Use NSString methods instead
>+        of a mix of CFString and NSString. Also simplified logic a bit, and cut down
>+        on the amount of explicit release and autorelease.
>+
>+        * Misc/WebNSDictionaryExtras.h: Deleted unused methods.
>+        * Misc/WebNSDictionaryExtras.m:
>+        (-[NSDictionary _webkit_intForKey:]): Deleted.
>+        (-[NSMutableDictionary _webkit_setInt:forKey:]): Deleted.
>+        (-[NSMutableDictionary _webkit_setFloat:forKey:]): Deleted.
>+        (-[NSMutableDictionary _webkit_setBool:forKey:]): Deleted.
>+        (-[NSMutableDictionary _webkit_setLongLong:forKey:]): Deleted.
>+        (-[NSMutableDictionary _webkit_setUnsignedLongLong:forKey:]): Deleted.
>+        (-[NSMutableDictionary _webkit_setUnsignedInt:forKey:]): Deleted.
>+
>+        * Misc/WebStringTruncator.mm:
>+        (fontFromNSFont): Use a bridging cast.
>+
>+        * Plugins/Hosted/NetscapePluginHostManager.mm:
>+        (WebKit::preferredBundleLocalizationName): Use a bridging cast and CFBridgingRelease.
>+
>+        * Plugins/Hosted/NetscapePluginInstanceProxy.mm:
>+        (WebKit::NetscapePluginInstanceProxy::cleanup): Use a bridging cast.
>+        (WebKit::NetscapePluginInstanceProxy::status): Ditto.
>+        (WebKit::NetscapePluginInstanceProxy::loadURL): Ditto.
>+        (WebKit::NetscapePluginInstanceProxy::demarshalValueFromArray): Ditto.
>+        * Plugins/Hosted/ProxyInstance.mm:
>+        (WebKit::ProxyInstance::getPropertyNames): Ditto.
>+        * Plugins/WebBasePluginPackage.mm:
>+        (-[WebBasePluginPackage _objectForInfoDictionaryKey:]): Ditto.
>+        * Plugins/WebNetscapePluginEventHandlerCocoa.mm:
>+        (WebNetscapePluginEventHandlerCocoa::platformWindow): Ditto.
>+        * Plugins/WebNetscapePluginPackage.mm:
>+        (-[WebNetscapePluginPackage _initWithPath:]): Ditto.
>+
>+        * Plugins/WebNetscapePluginView.mm:
>+        (-[WebNetscapePluginView _postURL:target:len:buf:file:notifyData:sendNotification:allowHeaders:]):
>+        Use bridging casts and use RetainPtr insteead of an explicit CFRelease.
>+        (-[WebNetscapePluginView status:]): Use a bridging cast.
>+        (-[WebNetscapePluginView popUpContextMenu:]): Ditto.
>+
>+        * Plugins/WebPluginController.mm:
>+        (-[WebPluginController _cancelOutstandingChecks]): Use a bridging cast.
>+
>+        * Plugins/WebPluginDatabase.mm:
>+        (checkCandidate): Use explicit __strong for out argument types.
>+
>+        * Plugins/npapi.mm:
>+        (pluginViewForInstance): Use a bridging cast.
>+
>+        * Storage/WebDatabaseManager.mm:
>+        (-[WebDatabaseManager detailsForDatabase:withOrigin:]): Use modern boxing instead of
>+        explicit NSNumber and NSDictionary calls.
>+
>+        * WebCoreSupport/WebContextMenuClient.mm:
>+        (WebContextMenuClient::speak): Remove an unnecessary copy/autorelease pair.
>+
>+        * WebCoreSupport/WebEditorClient.mm:
>+        (WebEditorClient::handleKeyboardEvent): Added a missing typecast.
>+        (WebEditorClient::handleInputMethodKeydown): Ditto.
>+
>+        * WebCoreSupport/WebFrameNetworkingContext.mm:
>+        (WebFrameNetworkingContext::sourceApplicationAuditData const): Use a bridging cast.
>+
>+        * WebCoreSupport/WebSecurityOriginPrivate.h: Forward declare WebSecurityOriginPrivate
>+        as a struct rather than an Objective-C class, since that's how it's defined.
>+
>+        * WebInspector/WebNodeHighlighter.mm: Added missing includes.
>+
>+        * WebView/WebFullScreenController.mm:
>+        (-[WebFullScreenController enterFullScreen:]): Use a bridging cast.
>+        * WebView/WebHTMLView.mm:
>+        (-[WebHTMLView _writeSelectionWithPasteboardTypes:toPasteboard:cachedAttributedString:]):
>+        Ditto.
>+        (-[WebHTMLView pasteboard:provideDataForType:]): Ditto.
>+
>+        * WebView/WebImmediateActionController.mm:
>+        (-[WebImmediateActionController performHitTestAtPoint:]): Removed redundant code to
>+        go down to the document and then back to the frame.
>+        (-[WebImmediateActionController immediateActionRecognizerDidUpdateAnimation:]): Ditto.
>+        (-[WebImmediateActionController immediateActionRecognizerDidCancelAnimation:]): Ditto.
>+        (-[WebImmediateActionController immediateActionRecognizerDidCompleteAnimation:]): Ditto.
>+
>+        * WebView/WebJSPDFDoc.mm:
>+        (jsPDFDocInitialize): Removed some unneeded type casting.
>+        (jsPDFDocFinalize): Ditto.
>+        (jsPDFDocPrint): Use a bridging cast.
>+
>+        * WebView/WebPDFView.mm:
>+        (_applicationInfoForMIMEType): Use bridging casts.
>+
>+        * WebView/WebPreferences.mm:
>+        (-[WebPreferences _setIntegerValue:forKey:]): Use boxing and setObject directly
>+        instead of methods from WebNSDictionaryExtras.
>+        (-[WebPreferences _setUnsignedIntValue:forKey:]): Ditto.
>+        (-[WebPreferences _setFloatValue:forKey:]): Ditto.
>+        (-[WebPreferences _setBoolValue:forKey:]): Ditto.
>+        (-[WebPreferences _setLongLongValue:forKey:]): Ditto.
>+        (-[WebPreferences _setUnsignedLongLongValue:forKey:]): Ditto.
>+
>+        * WebView/WebView.mm:
>+        (-[WebView _removeFromAllWebViewsSet]): Use bridging cast.
>+        (-[WebView _addToAllWebViewsSet]): Ditto.
>+        (+[WebView closeAllWebViews]): Use a modern for loop instead of NSEnumerator.
>+        (-[WebView _windowVisibilityChanged:]): Moved this into the internal category
>+        so it can be called from WebViewData methods.
>+
>+        * WebView/WebViewData.mm: Added an import so we can call an internal WebView
>+        method, _windowVisibilityChanged:.
>+
>+        * WebView/WebViewInternal.h: Declared _windowVisibilityChanged: so it can be
>+        called from WebViewData methods.
>+
> 2018-08-03  Alex Christensen  <achristensen@webkit.org>
> 
>         Fix spelling of "overridden"
>diff --git a/Source/JavaScriptCore/API/JSValue.mm b/Source/JavaScriptCore/API/JSValue.mm
>index 543531ba4b8bf6280e63210f9e76c10afe7ccbb8..417cc9d85fa6ceb8260f8e6953762482d0cfa388 100644
>--- a/Source/JavaScriptCore/API/JSValue.mm
>+++ b/Source/JavaScriptCore/API/JSValue.mm
>@@ -636,14 +636,14 @@ public:
> 
> private:
>     JSGlobalContextRef m_context;
>-    HashMap<JSValueRef, id> m_objectMap;
>+    HashMap<JSValueRef, __unsafe_unretained id> m_objectMap;
>     Vector<Task> m_worklist;
>     Vector<JSC::Strong<JSC::Unknown>> m_jsValues;
> };
> 
> inline id JSContainerConvertor::convert(JSValueRef value)
> {
>-    HashMap<JSValueRef, id>::iterator iter = m_objectMap.find(value);
>+    auto iter = m_objectMap.find(value);
>     if (iter != m_objectMap.end())
>         return iter->value;
> 
>@@ -887,7 +887,7 @@ public:
> 
> private:
>     JSContext *m_context;
>-    HashMap<id, JSValueRef> m_objectMap;
>+    HashMap<__unsafe_unretained id, JSValueRef> m_objectMap;
>     Vector<Task> m_worklist;
>     Vector<JSC::Strong<JSC::Unknown>> m_jsValues;
> };
>diff --git a/Source/JavaScriptCore/API/JSWrapperMap.mm b/Source/JavaScriptCore/API/JSWrapperMap.mm
>index 91a2129c6bf5aaae1d2a06435f955f91b8a164e1..d5461dd3fba518667f9fdf97f539121c903736ad 100644
>--- a/Source/JavaScriptCore/API/JSWrapperMap.mm
>+++ b/Source/JavaScriptCore/API/JSWrapperMap.mm
>@@ -408,7 +408,7 @@ static JSC::JSObject* allocateConstructorForCustomClass(JSContext *context, cons
>         return constructorWithCustomBrand(context, [NSString stringWithFormat:@"%sConstructor", className], cls);
> 
>     // For each protocol that the class implements, gather all of the init family methods into a hash table.
>-    __block HashMap<String, Protocol *> initTable;
>+    __block HashMap<String, CFTypeRef> initTable;
>     Protocol *exportProtocol = getJSExportProtocol();
>     for (Class currentClass = cls; currentClass; currentClass = class_getSuperclass(currentClass)) {
>         forEachProtocolImplementingProtocol(currentClass, exportProtocol, ^(Protocol *protocol, bool&) {
>@@ -416,7 +416,7 @@ static JSC::JSObject* allocateConstructorForCustomClass(JSContext *context, cons
>                 const char* name = sel_getName(selector);
>                 if (!isInitFamilyMethod(@(name)))
>                     return;
>-                initTable.set(name, protocol);
>+                initTable.set(name, (__bridge CFTypeRef)protocol);
>             });
>         });
>     }
>@@ -436,7 +436,7 @@ static JSC::JSObject* allocateConstructorForCustomClass(JSContext *context, cons
> 
>             numberOfInitsFound++;
>             initMethod = selector;
>-            initProtocol = iter->value;
>+            initProtocol = (__bridge Protocol *)iter->value;
>             types = method_getTypeEncoding(method);
>         });
> 
>@@ -565,7 +565,7 @@ @end
> 
> @implementation JSWrapperMap {
>     NSMutableDictionary *m_classMap;
>-    std::unique_ptr<JSC::WeakGCMap<id, JSC::JSObject>> m_cachedJSWrappers;
>+    std::unique_ptr<JSC::WeakGCMap<__unsafe_unretained id, JSC::JSObject>> m_cachedJSWrappers;
>     NSMapTable *m_cachedObjCWrappers;
> }
> 
>@@ -579,7 +579,7 @@ - (instancetype)initWithGlobalContextRef:(JSGlobalContextRef)context
>     NSPointerFunctionsOptions valueOptions = NSPointerFunctionsWeakMemory | NSPointerFunctionsObjectPersonality;
>     m_cachedObjCWrappers = [[NSMapTable alloc] initWithKeyOptions:keyOptions valueOptions:valueOptions capacity:0];
> 
>-    m_cachedJSWrappers = std::make_unique<JSC::WeakGCMap<id, JSC::JSObject>>(toJS(context)->vm());
>+    m_cachedJSWrappers = std::make_unique<JSC::WeakGCMap<__unsafe_unretained id, JSC::JSObject>>(toJS(context)->vm());
> 
>     ASSERT(!toJSGlobalObject(context)->wrapperMap());
>     toJSGlobalObject(context)->setWrapperMap(self);
>diff --git a/Source/WTF/wtf/BlockPtr.h b/Source/WTF/wtf/BlockPtr.h
>index ac3e12c36b7c2fce16918c461e2a835b34b33bef..a0111958782c90b199692e8b8c40bd72d1601095 100644
>--- a/Source/WTF/wtf/BlockPtr.h
>+++ b/Source/WTF/wtf/BlockPtr.h
>@@ -26,6 +26,10 @@
> #pragma once
> 
> #include <Block.h>
>+#include <utility>
>+#include <wtf/Assertions.h>
>+#include <wtf/StdLibExtras.h>
>+
> #if CPU(ARM64E)
> #include <WebKitAdditions/BlockQualifiers.h>
> #else
>@@ -33,8 +37,6 @@
> #define WTF_DISPOSE_FUNCTION_POINTER_QUALIFIER
> #define WTF_INVOKE_FUNCTION_POINTER_QUALIFIER
> #endif
>-#include <utility>
>-#include <wtf/Assertions.h>
> 
> namespace WTF {
> 
>diff --git a/Source/WTF/wtf/HashFunctions.h b/Source/WTF/wtf/HashFunctions.h
>index 9db913a100542988a12af8a02de2796ad0ea304e..12b5443b0ba28fb7caa205d0e4597de3e3bb241f 100644
>--- a/Source/WTF/wtf/HashFunctions.h
>+++ b/Source/WTF/wtf/HashFunctions.h
>@@ -243,6 +243,10 @@ namespace WTF {
> 
>     template<typename P, typename Deleter> struct DefaultHash<std::unique_ptr<P, Deleter>> { typedef PtrHash<std::unique_ptr<P, Deleter>> Hash; };
> 
>+#ifdef __OBJC__
>+    template<> struct DefaultHash<__unsafe_unretained id> { using Hash = PtrHash<__unsafe_unretained id>; };
>+#endif
>+
>     // make IntPairHash the default hash function for pairs of (at most) 32-bit integers.
> 
>     template<> struct DefaultHash<std::pair<short, short>> { typedef IntPairHash<short, short> Hash; };
>diff --git a/Source/WTF/wtf/HashTraits.h b/Source/WTF/wtf/HashTraits.h
>index bcd8d7b0028c04e40854a5ae4a7a4130a440c20f..ebf390584af3b374cbbfb8b33f6152b9dbf269d7 100644
>--- a/Source/WTF/wtf/HashTraits.h
>+++ b/Source/WTF/wtf/HashTraits.h
>@@ -29,6 +29,10 @@
> #include <wtf/Optional.h>
> #include <wtf/StdLibExtras.h>
> 
>+#ifdef __OBJC__
>+#include <CoreFoundation/CoreFoundation.h>
>+#endif
>+
> namespace WTF {
> 
> template<bool isInteger, typename T> struct GenericHashTraitsBase;
>@@ -115,6 +119,16 @@ template<typename P> struct HashTraits<P*> : GenericHashTraits<P*> {
>     static bool isDeletedValue(P* value) { return value == reinterpret_cast<P*>(-1); }
> };
> 
>+#ifdef __OBJC__
>+
>+template<> struct HashTraits<__unsafe_unretained id> : GenericHashTraits<__unsafe_unretained id> {
>+    static const bool emptyValueIsZero = true;
>+    static void constructDeletedValue(__unsafe_unretained id& slot) { slot = (__bridge __unsafe_unretained id)reinterpret_cast<CFTypeRef>(-1); }
>+    static bool isDeletedValue(__unsafe_unretained id value) { return (__bridge CFTypeRef)value == reinterpret_cast<CFTypeRef>(-1); }
>+};
>+
>+#endif
>+
> template<typename T> struct SimpleClassHashTraits : GenericHashTraits<T> {
>     static const bool emptyValueIsZero = true;
>     static void constructDeletedValue(T& slot) { new (NotNull, std::addressof(slot)) T(HashTableDeletedValue); }
>diff --git a/Source/WTF/wtf/WeakObjCPtr.h b/Source/WTF/wtf/WeakObjCPtr.h
>index f910830b85a18d9f85ecaf1ee35b197255f69ecc..229af642c62ecee709ea8d81b9f5dbd6a77a7108 100644
>--- a/Source/WTF/wtf/WeakObjCPtr.h
>+++ b/Source/WTF/wtf/WeakObjCPtr.h
>@@ -28,38 +28,30 @@
> #include <objc/runtime.h>
> #include <type_traits>
> #include <wtf/RetainPtr.h>
>-
>-#if __has_include(<objc/objc-internal.h>)
>-#include <objc/objc-internal.h>
>-#else
>-extern "C" {
>-id objc_loadWeakRetained(id*);
>-id objc_initWeak(id*, id);
>-void objc_destroyWeak(id*);
>-void objc_copyWeak(id*, id*);
>-void objc_moveWeak(id*, id*);
>-}
>-#endif
>+#include <wtf/spi/cocoa/FoundationSPI.h>
> 
> namespace WTF {
> 
> template<typename T> class WeakObjCPtr {
> public:
>-    typedef typename std::remove_pointer<T>::type ValueType;
>+    using ValudType = typename std::remove_pointer<T>::type;
> 
>-    WeakObjCPtr()
>-        : m_weakReference(nullptr)
>-    {
>-    }
>+    WeakObjCPtr() = default;
> 
>     WeakObjCPtr(ValueType *ptr)
>+#if __has_feature(objc_arc)
>+        : m_weakReference(ptr)
>+#endif
>     {
>+#if !__has_feature(objc_arc)
>         objc_initWeak(&m_weakReference, ptr);
>+#endif
>     }
> 
>+#if !__has_feature(objc_arc)
>     WeakObjCPtr(const WeakObjCPtr& other)
>     {
>-        objc_copyWeak(&m_weakReference, const_cast<id*>(&other.m_weakReference));
>+        objc_copyWeak(&m_weakReference, &other.m_weakReference);
>     }
> 
>     WeakObjCPtr(WeakObjCPtr&& other)
>@@ -71,10 +63,15 @@ public:
>     {
>         objc_destroyWeak(&m_weakReference);
>     }
>+#endif
> 
>     WeakObjCPtr& operator=(ValueType *ptr)
>     {
>+#if __has_feature(objc_arc)
>+        m_weakReference = ptr;
>+#else
>         objc_storeWeak(&m_weakReference, ptr);
>+#endif
> 
>         return *this;
>     }
>@@ -86,18 +83,31 @@ public:
> 
>     RetainPtr<ValueType> get() const
>     {
>-        return adoptNS(objc_loadWeakRetained(const_cast<id*>(&m_weakReference)));
>+#if __has_feature(objc_arc)
>+        return static_cast<ValueType *>(m_weakReference);
>+#else
>+        return adoptNS(objc_loadWeakRetained(&m_weakReference));
>+#endif
>     }
> 
>     ValueType *getAutoreleased() const
>     {
>-        return static_cast<ValueType *>(objc_loadWeak(const_cast<id*>(&m_weakReference)));
>+#if __has_feature(objc_arc)
>+        return static_cast<ValueType *>(m_weakReference);
>+#else
>+        return static_cast<ValueType *>(objc_loadWeak(&m_weakReference));
>+#endif
>+
>     }
> 
>     explicit operator ValueType *() const { return getAutoreleased(); }
> 
> private:
>-    id m_weakReference;
>+#if __has_feature(objc_arc)
>+    mutable __weak id m_weakReference { nullptr };
>+#else
>+    mutable id m_weakReference { nullptr };
>+#endif
> };
> 
> } // namespace WTF
>diff --git a/Source/WTF/wtf/spi/cocoa/FoundationSPI.h b/Source/WTF/wtf/spi/cocoa/FoundationSPI.h
>index 2691044db3c11aa256607ff9c47072a1c70ee431..a9e89de076f05ac6419955172b53b7ef2f4424a1 100644
>--- a/Source/WTF/wtf/spi/cocoa/FoundationSPI.h
>+++ b/Source/WTF/wtf/spi/cocoa/FoundationSPI.h
>@@ -29,13 +29,19 @@
> 
> #include <objc/objc-internal.h>
> 
>-#else
>+#endif
> 
> WTF_EXTERN_C_BEGIN
> 
> void* objc_autoreleasePoolPush(void);
> void objc_autoreleasePoolPop(void* context);
> 
>-WTF_EXTERN_C_END
>-
>+#ifdef __OBJC__
>+id objc_loadWeakRetained(id*);
>+id objc_initWeak(id*, id);
>+void objc_destroyWeak(id*);
>+void objc_copyWeak(id*, id*);
>+void objc_moveWeak(id*, id*);
> #endif
>+
>+WTF_EXTERN_C_END
>diff --git a/Source/WebKit/Platform/cocoa/WKCrashReporter.mm b/Source/WebKit/Platform/cocoa/WKCrashReporter.mm
>index a4e6dee705f8e4edd7b54b74ca1652142f94744f..923d3ba94c889303d9c3338502fbd68997a1c62f 100644
>--- a/Source/WebKit/Platform/cocoa/WKCrashReporter.mm
>+++ b/Source/WebKit/Platform/cocoa/WKCrashReporter.mm
>@@ -26,6 +26,7 @@
> #import "config.h"
> #import "WKCrashReporter.h"
> 
>+#import <cstdlib>
> #import "CrashReporterClientSPI.h"
> 
> // Avoid having to link with libCrashReporterClient.a
>@@ -36,19 +37,21 @@ __attribute__((section("__DATA," CRASHREPORTER_ANNOTATIONS_SECTION)))
> 
> namespace WebKit {
> 
>-void setCrashReportApplicationSpecificInformation(CFStringRef infoString)
>+static void setCrashLogMessage(const char* message)
> {
>-    if (char* oldMessage = const_cast<char*>(CRGetCrashLogMessage()))
>-        free(oldMessage);
>+    // We have to copy the string because CRSetCrashLogMessage doesn't.
>+    char* copiedMessage = message ? strdup(message) : nullptr;
>+
>+    CRSetCrashLogMessage(copiedMessage);
> 
>-    if (!infoString) {
>-        CRSetCrashLogMessage(nullptr);
>-        return;
>-    }
>+    // Delete the message from last time, so we don't keep leaking messages.
>+    static char* previousCopiedCrashLogMessage;
>+    std::free(std::exchange(previousCopiedCrashLogMessage, copiedMessage));
>+}
> 
>-    // We have to copy the string, because CRSetCrashLogMessage doesn't copy the data.
>-    char* lastInfoChars = strdup([(NSString *)infoString UTF8String]);
>-    CRSetCrashLogMessage(lastInfoChars);
>+void setCrashReportApplicationSpecificInformation(CFStringRef infoString)
>+{
>+    setCrashLogMessage([(__bridge NSString *)infoString UTF8String]);
> }
> 
> }
>diff --git a/Source/WebKit/Shared/mac/PasteboardTypes.mm b/Source/WebKit/Shared/mac/PasteboardTypes.mm
>index d47b12d0b67d86175402bd58214c764aabda243b..712f9d785a34223a2fa541baf78e20b7a30da81f 100644
>--- a/Source/WebKit/Shared/mac/PasteboardTypes.mm
>+++ b/Source/WebKit/Shared/mac/PasteboardTypes.mm
>@@ -47,7 +47,7 @@ static inline NSArray *retain(NSArray *array)
> NSArray* PasteboardTypes::forEditing()
> {
>     static NSArray *types = retain([NSArray arrayWithObjects:WebArchivePboardType, WebCore::legacyHTMLPasteboardType(), WebCore::legacyFilenamesPasteboardType(), WebCore::legacyTIFFPasteboardType(), WebCore::legacyPDFPasteboardType(),
>-        WebCore::legacyURLPasteboardType(), WebCore::legacyRTFDPasteboardType(), WebCore::legacyRTFPasteboardType(), WebCore::legacyStringPasteboardType(), WebCore::legacyColorPasteboardType(), kUTTypePNG, nil]);
>+        WebCore::legacyURLPasteboardType(), WebCore::legacyRTFDPasteboardType(), WebCore::legacyRTFPasteboardType(), WebCore::legacyStringPasteboardType(), WebCore::legacyColorPasteboardType(), (__bridge NSString *)kUTTypePNG, nil]);
>     return types;
> }
> 
>diff --git a/Source/WebKit/WebProcess/Plugins/Netscape/mac/NetscapePluginMac.mm b/Source/WebKit/WebProcess/Plugins/Netscape/mac/NetscapePluginMac.mm
>index 8bbed6bedc9517ea7f7e5ab4f7b9092f577bc1c2..55590c1d38c393bdcd4b49e9c099fc3b23d8d104 100644
>--- a/Source/WebKit/WebProcess/Plugins/Netscape/mac/NetscapePluginMac.mm
>+++ b/Source/WebKit/WebProcess/Plugins/Netscape/mac/NetscapePluginMac.mm
>@@ -741,6 +741,12 @@ static bool isFlagsChangedEvent(const WebKeyboardEvent& keyboardEvent)
>     return false;
> }
> 
>+static NPNSString *convertToNPNNString(const String& string)
>+{
>+    CFTypeRef releasedString = string.createCFString().autorelease();
>+    return static_cast<NPNSString*>(const_cast<void*>(releasedString));
>+}
>+
> static NPCocoaEvent initializeKeyboardEvent(const WebKeyboardEvent& keyboardEvent)
> {
>     NPCocoaEventType eventType;
>@@ -763,8 +769,8 @@ static NPCocoaEvent initializeKeyboardEvent(const WebKeyboardEvent& keyboardEven
> 
>     NPCocoaEvent event = initializeEvent(eventType);
>     event.data.key.modifierFlags = modifierFlags(keyboardEvent);
>-    event.data.key.characters = reinterpret_cast<NPNSString*>(static_cast<NSString*>(keyboardEvent.text()));
>-    event.data.key.charactersIgnoringModifiers = reinterpret_cast<NPNSString*>(static_cast<NSString*>(keyboardEvent.unmodifiedText()));
>+    event.data.key.characters = convertToNPNNString(keyboardEvent.text());
>+    event.data.key.charactersIgnoringModifiers = convertToNPNNString(keyboardEvent.unmodifiedText());
>     event.data.key.isARepeat = keyboardEvent.isAutoRepeat();
>     event.data.key.keyCode = keyboardEvent.nativeVirtualKeyCode();
> 
>@@ -1020,7 +1026,7 @@ void NetscapePlugin::sendComplexTextInput(const String& textInput)
>     switch (m_eventModel) {
>     case NPEventModelCocoa: {
>         NPCocoaEvent event = initializeEvent(NPCocoaEventTextInput);
>-        event.data.text.text = reinterpret_cast<NPNSString*>(static_cast<NSString*>(textInput));
>+        event.data.text.text = convertToNPNNString(textInput);
>         NPP_HandleEvent(&event);
>         break;
>     }
>diff --git a/Source/WebKit/WebProcess/Plugins/PDF/PDFPlugin.mm b/Source/WebKit/WebProcess/Plugins/PDF/PDFPlugin.mm
>index 3c895bcb1c3f98956fce1b16b5a04a5a2fa68a71..a2eb402d0748174a866c4acc382ceefb43f320e7 100644
>--- a/Source/WebKit/WebProcess/Plugins/PDF/PDFPlugin.mm
>+++ b/Source/WebKit/WebProcess/Plugins/PDF/PDFPlugin.mm
>@@ -127,7 +127,7 @@ static const int defaultScrollMagnitudeThresholdForPageFlip = 20;
> 
> @interface WKPDFPluginAccessibilityObject : NSObject {
>     PDFLayerController *_pdfLayerController;
>-    NSObject *_parent;
>+    __unsafe_unretained NSObject *_parent;
>     WebKit::PDFPlugin* _pdfPlugin;
> }
> 
>diff --git a/Source/WebKitLegacy/mac/Carbon/CarbonWindowFrame.m b/Source/WebKitLegacy/mac/Carbon/CarbonWindowFrame.m
>index ac2a5f7c44119251b9c89c0ab1cb6a7a7cbf1fe6..e926eb6c21e0fa88f28dc4a061c390225325eb97 100644
>--- a/Source/WebKitLegacy/mac/Carbon/CarbonWindowFrame.m
>+++ b/Source/WebKitLegacy/mac/Carbon/CarbonWindowFrame.m
>@@ -128,15 +128,6 @@ - (id)initWithFrame:(NSRect)inFrameRect styleMask:(unsigned int)inStyleMask owne
> }
> 
> 
>-// Deallocate.
>-- (void)dealloc {
>-
>-    // Simple.
>-    [super dealloc];
>-    
>-}
>-
>-
> // Sink a method invocation.
> - (void)_setFrameNeedsDisplay:(BOOL)needsDisplay {
>     
>diff --git a/Source/WebKitLegacy/mac/DOM/DOM.mm b/Source/WebKitLegacy/mac/DOM/DOM.mm
>index 83d56d0448655f76a8c76b9b93ceeefb8a7dd81a..8ebb8a0daf6345f21903d6fecb24d8f14e06c2a1 100644
>--- a/Source/WebKitLegacy/mac/DOM/DOM.mm
>+++ b/Source/WebKitLegacy/mac/DOM/DOM.mm
>@@ -694,7 +694,7 @@ - (NSData *)_imageTIFFRepresentation
>     auto* cachedImage = downcast<RenderImage>(*renderer).cachedImage();
>     if (!cachedImage || cachedImage->errorOccurred())
>         return nil;
>-    return (NSData *)cachedImage->imageForRenderer(renderer)->tiffRepresentation();
>+    return (__bridge NSData *)cachedImage->imageForRenderer(renderer)->tiffRepresentation();
> }
> 
> #endif
>@@ -843,13 +843,6 @@ - (void)dealloc
>     [super dealloc];
> }
> 
>-- (void)finalize
>-{
>-    if (_internal)
>-        reinterpret_cast<WebCore::NodeFilter*>(_internal)->deref();
>-    [super finalize];
>-}
>-
> - (short)acceptNode:(DOMNode *)node
> {
>     if (!node)
>diff --git a/Source/WebKitLegacy/mac/DOM/DOMXPath.mm b/Source/WebKitLegacy/mac/DOM/DOMXPath.mm
>index 53dc22de1ea99b018716d5a7d782664614f24002..cda837ac7d9229dca4bda63f368c3dfb949118d3 100644
>--- a/Source/WebKitLegacy/mac/DOM/DOMXPath.mm
>+++ b/Source/WebKitLegacy/mac/DOM/DOMXPath.mm
>@@ -45,13 +45,6 @@ - (void)dealloc
>     [super dealloc];
> }
> 
>-- (void)finalize
>-{
>-    if (_internal)
>-        IMPL->deref();
>-    [super finalize];
>-}
>-
> - (NSString *)lookupNamespaceURI:(NSString *)prefix
> {
>     return IMPL->lookupNamespaceURI(prefix);
>diff --git a/Source/WebKitLegacy/mac/History/WebHistory.mm b/Source/WebKitLegacy/mac/History/WebHistory.mm
>index 13832e1a527feb0699bf0580ca8a7f99da52aeb8..12c9006d42b282add01231e993ebb42c41b2ae25 100644
>--- a/Source/WebKitLegacy/mac/History/WebHistory.mm
>+++ b/Source/WebKitLegacy/mac/History/WebHistory.mm
>@@ -644,10 +644,10 @@ - (BOOL)loadFromURL:(NSURL *)URL collectDiscardedItemsInto:(NSMutableArray *)dis
> - (NSData *)data
> {
>     if (_entriesByDate->isEmpty()) {
>-        static NSData *emptyHistoryData = (NSData *)CFDataCreate(0, 0, 0);
>+        static NSData *emptyHistoryData = [[NSData alloc] initWithBytes:nullptr length:0];
>         return emptyHistoryData;
>     }
>-    
>+
>     // Ignores the date and item count limits; these are respected when loading instead of when saving, so
>     // that clients can learn of discarded items by listening to WebHistoryItemsDiscardedWhileLoadingNotification.
>     WebHistoryWriter writer(_entriesByDate.get());
>diff --git a/Source/WebKitLegacy/mac/Misc/WebElementDictionary.mm b/Source/WebKitLegacy/mac/Misc/WebElementDictionary.mm
>index c3cb9aa5041a8025665cc7e7e02e26feea8fbf5c..b7f7b2824a9dc66788f0283aab971199f60a2397 100644
>--- a/Source/WebKitLegacy/mac/Misc/WebElementDictionary.mm
>+++ b/Source/WebKitLegacy/mac/Misc/WebElementDictionary.mm
>@@ -53,13 +53,13 @@ static CFMutableDictionaryRef lookupTable = NULL;
> 
> static void addLookupKey(NSString *key, SEL selector)
> {
>-    CFDictionaryAddValue(lookupTable, key, selector);
>+    CFDictionaryAddValue(lookupTable, (__bridge CFStringRef)key, selector);
> }
> 
> static void cacheValueForKey(const void *key, const void *value, void *self)
> {
>     // calling objectForKey will cache the value in our _cache dictionary
>-    [(WebElementDictionary *)self objectForKey:(NSString *)key];
>+    [(__bridge WebElementDictionary *)self objectForKey:(__bridge NSString *)key];
> }
> 
> @implementation WebElementDictionary
>@@ -124,7 +124,7 @@ - (void)dealloc
> 
> - (void)_fillCache
> {
>-    CFDictionaryApplyFunction(lookupTable, cacheValueForKey, self);
>+    CFDictionaryApplyFunction(lookupTable, cacheValueForKey, (__bridge void*)self);
>     _cacheComplete = YES;
> }
> 
>@@ -148,7 +148,7 @@ - (id)objectForKey:(id)key
>     if (value || _cacheComplete || [_nilValues containsObject:key])
>         return value;
> 
>-    SEL selector = static_cast<SEL>(const_cast<void*>(CFDictionaryGetValue(lookupTable, key)));
>+    SEL selector = static_cast<SEL>(const_cast<void*>(CFDictionaryGetValue(lookupTable, (__bridge CFTypeRef)key)));
>     if (!selector)
>         return nil;
>     value = [self performSelector:selector];
>diff --git a/Source/WebKitLegacy/mac/Misc/WebKitNSStringExtras.mm b/Source/WebKitLegacy/mac/Misc/WebKitNSStringExtras.mm
>index ac436617c28e87782cfc1ac1f0c68798b051e22a..7f99502f36b74923f311e0061aebe14d76646cce 100644
>--- a/Source/WebKitLegacy/mac/Misc/WebKitNSStringExtras.mm
>+++ b/Source/WebKitLegacy/mac/Misc/WebKitNSStringExtras.mm
>@@ -68,7 +68,7 @@ - (void)_web_drawAtPoint:(NSPoint)point font:(NSFont *)font textColor:(NSColor *
>     [self getCharacters:buffer.data()];
> 
>     if (canUseFastRenderer(buffer.data(), length)) {
>-        FontCascade webCoreFont(FontPlatformData(reinterpret_cast<CTFontRef>(font), [font pointSize]));
>+        FontCascade webCoreFont(FontPlatformData((__bridge CTFontRef)font, [font pointSize]));
>         TextRun run(StringView(buffer.data(), length));
> 
>         // The following is a half-assed attempt to match AppKit's rounding rules for drawAtPoint.
>@@ -111,7 +111,7 @@ - (float)_web_widthWithFont:(NSFont *)font
>     [self getCharacters:buffer.data()];
> 
>     if (canUseFastRenderer(buffer.data(), length)) {
>-        FontCascade webCoreFont(FontPlatformData(reinterpret_cast<CTFontRef>(font), [font pointSize]));
>+        FontCascade webCoreFont(FontPlatformData((__bridge CTFontRef)font, [font pointSize]));
>         TextRun run(StringView(buffer.data(), length));
>         return webCoreFont.width(run);
>     }
>@@ -162,7 +162,7 @@ -(NSString *)_webkit_filenameByFixingIllegalCharacters
> -(NSString *)_webkit_stringByTrimmingWhitespace
> {
>     NSMutableString *trimmed = [[self mutableCopy] autorelease];
>-    CFStringTrimWhitespace((CFMutableStringRef)trimmed);
>+    CFStringTrimWhitespace((__bridge CFMutableStringRef)trimmed);
>     return trimmed;
> }
> 
>diff --git a/Source/WebKitLegacy/mac/Misc/WebLocalizableStrings.mm b/Source/WebKitLegacy/mac/Misc/WebLocalizableStrings.mm
>index 2a8a837619fa68483e5f03d1f5dba7dfa6ac4cd0..2c480dbaf0eb20bbe9b5d5db84ff40a961c318c9 100644
>--- a/Source/WebKitLegacy/mac/Misc/WebLocalizableStrings.mm
>+++ b/Source/WebKitLegacy/mac/Misc/WebLocalizableStrings.mm
>@@ -62,7 +62,7 @@ NSString *WebLocalizedString(WebLocalizableStringsBundle *stringsBundle, const c
>     }
>     NSString *notFound = @"localized string not found";
>     CFStringRef keyString = CFStringCreateWithCStringNoCopy(NULL, key, kCFStringEncodingUTF8, kCFAllocatorNull);
>-    NSString *result = [bundle localizedStringForKey:(NSString *)keyString value:notFound table:nil];
>+    NSString *result = [bundle localizedStringForKey:(__bridge NSString *)keyString value:notFound table:nil];
>     CFRelease(keyString);
>     ASSERT_WITH_MESSAGE(result != notFound, "could not find localizable string %s in bundle", key);
>     return result;
>diff --git a/Source/WebKitLegacy/mac/Misc/WebNSDataExtras.mm b/Source/WebKitLegacy/mac/Misc/WebNSDataExtras.mm
>index b01ffb7e0cfd260507549a525abddd9952c82d76..a1394a80a92a4553ea1e7d90b5721dd921819f3d 100644
>--- a/Source/WebKitLegacy/mac/Misc/WebNSDataExtras.mm
>+++ b/Source/WebKitLegacy/mac/Misc/WebNSDataExtras.mm
>@@ -36,7 +36,7 @@ @implementation NSString (WebNSDataExtrasInternal)
> 
> - (NSString *)_web_capitalizeRFC822HeaderFieldName
> {
>-    CFStringRef name = (CFStringRef)self;
>+    CFStringRef name = (__bridge CFStringRef)self;
>     NSString *result = nil;
> 
>     CFIndex len = CFStringGetLength(name);
>@@ -82,13 +82,13 @@ - (NSString *)_web_capitalizeRFC822HeaderFieldName
>     }
>     if (somethingChanged) {
>         if (useUniCharPtr)
>-            result = (NSString *)CFStringCreateWithCharactersNoCopy(NULL, uniCharPtr, len, NULL);
>+            result = CFBridgingRelease(CFStringCreateWithCharactersNoCopy(nullptr, uniCharPtr, len, nullptr));
>         else
>-            result = (NSString *)CFStringCreateWithCStringNoCopy(NULL, charPtr, kCFStringEncodingISOLatin1, NULL);
>+            result = CFBridgingRelease(CFStringCreateWithCStringNoCopy(nullptr, charPtr, kCFStringEncodingISOLatin1, nullptr));
>     } else
>-        result = [self retain];
>+        result = self;
> 
>-    return [result autorelease];
>+    return result;
> }
> 
> @end
>@@ -311,44 +311,33 @@ - (NSMutableDictionary *)_webkit_parseRFC822HeaderFields
>             }
>             // Merge the continuation of the previous header
>             NSString *currentValue = [headerFields objectForKey:lastKey];
>-            NSString *newValue = (NSString *)CFStringCreateWithBytes(NULL, line, lineLength, kCFStringEncodingISOLatin1, FALSE);
>+            NSString *newValue = [[NSString alloc] initWithBytes:line length:lineLength encoding:NSISOLatin1StringEncoding];
>             ASSERT(currentValue);
>             ASSERT(newValue);
>-            NSString *mergedValue = [[NSString alloc] initWithFormat:@"%@%@", currentValue, newValue];
>-            [headerFields setObject:(NSString *)mergedValue forKey:lastKey];
>+            [headerFields setObject:[currentValue stringByAppendingString:newValue] forKey:lastKey];
>             [newValue release];
>-            [mergedValue release];
>-            // Note: currentValue is autoreleased
>         } else {
>             // Brand new header
>-            const UInt8 *colon;
>+            const UInt8* colon;
>             for (colon = line; *colon != ':' && colon != eol; colon++) { }
>             if (colon == eol) {
>                 // malformed header; ignore it and continue
>                 continue;
>             }
>-            lastKey = (NSString *)CFStringCreateWithBytes(NULL, line, colon - line, kCFStringEncodingISOLatin1, FALSE);
>+            lastKey = [[NSString alloc] initWithBytes:line length:colon - line encoding:NSISOLatin1StringEncoding];
>             [lastKey autorelease];
>-            NSString *value = [lastKey _web_capitalizeRFC822HeaderFieldName];
>-            lastKey = value;
>+            lastKey = [lastKey _web_capitalizeRFC822HeaderFieldName];
>             for (colon++; colon != eol; colon++) {
>                 if (*colon != ' ' && *colon != '\t')
>                     break;
>             }
>-            if (colon == eol) {
>-                value = [[NSString alloc] initWithString:@""];
>-                [value autorelease];
>-            } else {
>-                value = (NSString *)CFStringCreateWithBytes(NULL, colon, eol-colon, kCFStringEncodingISOLatin1, FALSE);
>+            NSString *value = [[NSString alloc] initWithBytes:colon length:eol - colon encoding:NSISOLatin1StringEncoding];
>+            if (NSString *oldValue = [headerFields objectForKey:lastKey]) {
>                 [value autorelease];
>+                value = [[NSString alloc] initWithFormat:@"%@, %@", oldValue, value];
>             }
>-            NSString *oldValue = [headerFields objectForKey:lastKey];
>-            if (oldValue) {
>-                NSString *newValue = [[NSString alloc] initWithFormat:@"%@, %@", oldValue, value];
>-                value = newValue;
>-                [newValue autorelease];
>-            }
>-            [headerFields setObject:(NSString *)value forKey:lastKey];
>+            [headerFields setObject:value forKey:lastKey];
>+            [value release];
>         }
>     }
> 
>diff --git a/Source/WebKitLegacy/mac/Misc/WebNSDictionaryExtras.h b/Source/WebKitLegacy/mac/Misc/WebNSDictionaryExtras.h
>index 05732024a87ad8f649cb81b37469abfe24c794fd..b4a4cec66f38198feaf9a7f0ebe09dd2b511ebbb 100644
>--- a/Source/WebKitLegacy/mac/Misc/WebNSDictionaryExtras.h
>+++ b/Source/WebKitLegacy/mac/Misc/WebNSDictionaryExtras.h
>@@ -29,20 +29,12 @@
> #import <Foundation/Foundation.h>
> 
> @interface NSDictionary (WebNSDictionaryExtras)
>+
> - (BOOL)_webkit_boolForKey:(id)key;
>-- (int)_webkit_intForKey:(id)key;
> - (NSString *)_webkit_stringForKey:(id)key; // Returns nil if the value is not an NSString.
> - (NSArray *)_webkit_arrayForKey:(id)key; // Returns nil if the value is not an NSArray.
> 
> // Searches for the full MIME type, then the prefix (e.g., "text/" for "text/html")
> - (id)_webkit_objectForMIMEType:(NSString *)MIMEType;
>-@end
> 
>-@interface NSMutableDictionary (WebNSDictionaryExtras)
>-- (void)_webkit_setInt:(int)value forKey:(id)key;
>-- (void)_webkit_setFloat:(float)value forKey:(id)key;
>-- (void)_webkit_setBool:(BOOL)value forKey:(id)key;
>-- (void)_webkit_setLongLong:(long long)value forKey:(id)key;
>-- (void)_webkit_setUnsignedLongLong:(unsigned long long)value forKey:(id)key;
>-- (void)_webkit_setUnsignedInt:(unsigned)value forKey:(id)key;
> @end
>diff --git a/Source/WebKitLegacy/mac/Misc/WebNSDictionaryExtras.m b/Source/WebKitLegacy/mac/Misc/WebNSDictionaryExtras.m
>index f1a1b031c00782df88b5a84b37afdc3c4c308301..d8b6900b19e6b328c82ec38e75a21bdc5be15207 100644
>--- a/Source/WebKitLegacy/mac/Misc/WebNSDictionaryExtras.m
>+++ b/Source/WebKitLegacy/mac/Misc/WebNSDictionaryExtras.m
>@@ -31,18 +31,13 @@
> #import <wtf/Assertions.h>
> 
> @implementation NSDictionary (WebNSDictionaryExtras)
>+
> -(NSNumber *)_webkit_numberForKey:(id)key
> {
>     id object = [self objectForKey:key];
>     return [object isKindOfClass:[NSNumber class]] ? object : nil;
> }
> 
>--(int)_webkit_intForKey:(NSString *)key
>-{
>-    NSNumber *number = [self _webkit_numberForKey:key];
>-    return number == nil ? 0 : [number intValue];
>-}
>-
> -(NSString *)_webkit_stringForKey:(id)key
> {
>     id object = [self objectForKey:key];
>@@ -80,50 +75,3 @@ - (BOOL)_webkit_boolForKey:(id)key
> }
> 
> @end
>-
>-@implementation NSMutableDictionary (WebNSDictionaryExtras)
>-
>--(void)_webkit_setInt:(int)value forKey:(id)key
>-{
>-    NSNumber *object = [[NSNumber alloc] initWithInt:value];
>-    [self setObject:object forKey:key];
>-    [object release];
>-}
>-
>--(void)_webkit_setFloat:(float)value forKey:(id)key
>-{
>-    NSNumber *object = [[NSNumber alloc] initWithFloat:value];
>-    [self setObject:object forKey:key];
>-    [object release];
>-}
>-
>--(void)_webkit_setBool:(BOOL)value forKey:(id)key
>-{
>-    NSNumber *object = [[NSNumber alloc] initWithBool:value];
>-    [self setObject:object forKey:key];
>-    [object release];
>-}
>-
>-- (void)_webkit_setLongLong:(long long)value forKey:(id)key
>-{
>-    NSNumber *object = [[NSNumber alloc] initWithLongLong:value];
>-    [self setObject:object forKey:key];
>-    [object release];
>-}
>-
>-- (void)_webkit_setUnsignedLongLong:(unsigned long long)value forKey:(id)key
>-{
>-    NSNumber *object = [[NSNumber alloc] initWithUnsignedLongLong:value];
>-    [self setObject:object forKey:key];
>-    [object release];
>-}
>-
>-- (void)_webkit_setUnsignedInt:(unsigned)value forKey:(id)key
>-{
>-    NSNumber *object = [[NSNumber alloc] initWithUnsignedInt:value];
>-    [self setObject:object forKey:key];
>-    [object release];
>-}
>-
>-@end
>-
>diff --git a/Source/WebKitLegacy/mac/Misc/WebStringTruncator.mm b/Source/WebKitLegacy/mac/Misc/WebStringTruncator.mm
>index 1baef389d146e250760fd4035701a3f1ef4517cc..2685579d4b1d7a07570b413d45aeb95517705d79 100644
>--- a/Source/WebKitLegacy/mac/Misc/WebStringTruncator.mm
>+++ b/Source/WebKitLegacy/mac/Misc/WebStringTruncator.mm
>@@ -42,7 +42,7 @@ static WebCore::FontCascade& fontFromNSFont(NSFont *font)
>     if ([font isEqual:currentNSFont.get().get()])
>         return currentFont;
>     currentNSFont.get() = font;
>-    currentFont.get() = WebCore::FontCascade(WebCore::FontPlatformData(reinterpret_cast<CTFontRef>(font), [font pointSize]));
>+    currentFont.get() = WebCore::FontCascade(WebCore::FontPlatformData((__bridge CTFontRef)font, [font pointSize]));
>     return currentFont;
> }
> 
>diff --git a/Source/WebKitLegacy/mac/Plugins/Hosted/NetscapePluginHostManager.mm b/Source/WebKitLegacy/mac/Plugins/Hosted/NetscapePluginHostManager.mm
>index 703c5462c8ef22a37b1dd86048e3ba161ab5f5b2..0210b066baad2697e09f28e089ad35fa74f369df 100644
>--- a/Source/WebKitLegacy/mac/Plugins/Hosted/NetscapePluginHostManager.mm
>+++ b/Source/WebKitLegacy/mac/Plugins/Hosted/NetscapePluginHostManager.mm
>@@ -117,11 +117,11 @@ static NSString *preferredBundleLocalizationName()
>     LangCode languageCode;
>     RegionCode regionCode;
> 
>-    Boolean success = CFLocaleGetLanguageRegionEncodingForLocaleIdentifier((CFStringRef)language, &languageCode, &regionCode, nullptr, nullptr);
>+    Boolean success = CFLocaleGetLanguageRegionEncodingForLocaleIdentifier((__bridge CFStringRef)language, &languageCode, &regionCode, nullptr, nullptr);
>     if (!success)
>         return @"en_US";
> 
>-    return adoptCF(CFLocaleCreateCanonicalLocaleIdentifierFromScriptManagerCodes(0, languageCode, regionCode)).bridgingAutorelease();
>+    return CFBridgingRelease(CFLocaleCreateCanonicalLocaleIdentifierFromScriptManagerCodes(0, languageCode, regionCode));
> }
> 
> bool NetscapePluginHostManager::spawnPluginHost(const String& pluginPath, cpu_type_t pluginArchitecture, mach_port_t clientPort, mach_port_t& pluginHostPort, ProcessSerialNumber& pluginHostPSN)
>diff --git a/Source/WebKitLegacy/mac/Plugins/Hosted/NetscapePluginInstanceProxy.mm b/Source/WebKitLegacy/mac/Plugins/Hosted/NetscapePluginInstanceProxy.mm
>index 1c8d5326f14a90e76dd9a5aba821bdf79fd4d8e9..e93fb506e5de0a5dae3afa5658cbaf4178e26aa1 100644
>--- a/Source/WebKitLegacy/mac/Plugins/Hosted/NetscapePluginInstanceProxy.mm
>+++ b/Source/WebKitLegacy/mac/Plugins/Hosted/NetscapePluginInstanceProxy.mm
>@@ -307,7 +307,7 @@ void NetscapePluginInstanceProxy::cleanup()
>     m_localObjects.clear();
>     
>     if (Frame* frame = core([m_pluginView webFrame]))
>-        frame->script().cleanupScriptObjectsForPlugin(m_pluginView);
>+        frame->script().cleanupScriptObjectsForPlugin((__bridge void*)m_pluginView);
>     
>     ProxyInstanceSet instances;
>     instances.swap(m_instances);
>@@ -551,7 +551,7 @@ void NetscapePluginInstanceProxy::status(const char* message)
>         return;
> 
>     WebView *wv = [m_pluginView webView];
>-    [[wv _UIDelegateForwarder] webView:wv setStatusText:(NSString *)status.get()];
>+    [[wv _UIDelegateForwarder] webView:wv setStatusText:(__bridge NSString *)status.get()];
> }
> 
> NPError NetscapePluginInstanceProxy::loadURL(const char* url, const char* target, const char* postData, uint32_t postLen, LoadURLFlags flags, uint32_t& streamID)
>@@ -572,12 +572,12 @@ NPError NetscapePluginInstanceProxy::loadURL(const char* url, const char* target
>             if (!bufString)
>                 return NPERR_INVALID_PARAM;
>             
>-            NSURL *fileURL = [NSURL _web_URLWithDataAsString:(NSString *)bufString.get()];
>+            NSURL *fileURL = [NSURL _web_URLWithDataAsString:(__bridge NSString *)bufString.get()];
>             NSString *path;
>             if ([fileURL isFileURL])
>                 path = [fileURL path];
>             else
>-                path = (NSString *)bufString.get();
>+                path = (__bridge NSString *)bufString.get();
>             httpBody = [NSData dataWithContentsOfFile:path];
>             if (!httpBody)
>                 return NPERR_FILE_NOT_FOUND;
>@@ -1415,7 +1415,7 @@ bool NetscapePluginInstanceProxy::demarshalValueFromArray(ExecState* exec, NSArr
>             if (!frame->script().canExecuteScripts(NotAboutToExecuteScript))
>                 return false;
> 
>-            auto rootObject = frame->script().createRootObject(m_pluginView);
>+            auto rootObject = frame->script().createRootObject((__bridge void*)m_pluginView);
>             result = ProxyInstance::create(WTFMove(rootObject), this, objectID)->createRuntimeObject(exec);
>             return true;
>         }
>diff --git a/Source/WebKitLegacy/mac/Plugins/Hosted/ProxyInstance.mm b/Source/WebKitLegacy/mac/Plugins/Hosted/ProxyInstance.mm
>index 0d326c256676739ba7f12273c7b7b0ddbd4ac42c..fe508860ec7979dd6d006510a58d80ed6e4cc169 100644
>--- a/Source/WebKitLegacy/mac/Plugins/Hosted/ProxyInstance.mm
>+++ b/Source/WebKitLegacy/mac/Plugins/Hosted/ProxyInstance.mm
>@@ -317,7 +317,7 @@ void ProxyInstance::getPropertyNames(ExecState* exec, PropertyNameArray& nameArr
>     if (!reply || !reply->m_returnValue)
>         return;
>     
>-    NSArray *array = [NSPropertyListSerialization propertyListWithData:(NSData *)reply->m_result.get() options:NSPropertyListImmutable format:nullptr error:nullptr];
>+    NSArray *array = [NSPropertyListSerialization propertyListWithData:(__bridge NSData *)reply->m_result.get() options:NSPropertyListImmutable format:nullptr error:nullptr];
>     
>     for (NSNumber *number in array) {
>         IdentifierRep* identifier = reinterpret_cast<IdentifierRep*>([number longLongValue]);
>diff --git a/Source/WebKitLegacy/mac/Plugins/WebBasePluginPackage.mm b/Source/WebKitLegacy/mac/Plugins/WebBasePluginPackage.mm
>index 93ecb296578ffd72b679d9f1b1b42d7dba1da7f0..dd11355e9821a2efe574aecfb6d49c9533795731 100644
>--- a/Source/WebKitLegacy/mac/Plugins/WebBasePluginPackage.mm
>+++ b/Source/WebKitLegacy/mac/Plugins/WebBasePluginPackage.mm
>@@ -131,7 +131,7 @@ - (id)_objectForInfoDictionaryKey:(NSString *)key
>     if (!bundleInfoDictionary)
>         return nil;
> 
>-    return (id)CFDictionaryGetValue(bundleInfoDictionary, key);
>+    return (__bridge id)CFDictionaryGetValue(bundleInfoDictionary, (__bridge CFStringRef)key);
> }
> 
> - (BOOL)getPluginInfoFromPLists
>diff --git a/Source/WebKitLegacy/mac/Plugins/WebNetscapePluginEventHandlerCocoa.mm b/Source/WebKitLegacy/mac/Plugins/WebNetscapePluginEventHandlerCocoa.mm
>index f575893d1a570bf33243f1413a797ac19deb3259..d58181a0d7802349a5594ea5ad60dd5c36291a83 100644
>--- a/Source/WebKitLegacy/mac/Plugins/WebNetscapePluginEventHandlerCocoa.mm
>+++ b/Source/WebKitLegacy/mac/Plugins/WebNetscapePluginEventHandlerCocoa.mm
>@@ -210,9 +210,9 @@ void WebNetscapePluginEventHandlerCocoa::focusChanged(bool hasFocus)
>         removeKeyEventHandler();
> }
> 
>-void* WebNetscapePluginEventHandlerCocoa::platformWindow(NSWindow* window)
>+void* WebNetscapePluginEventHandlerCocoa::platformWindow(NSWindow *window)
> {
>-    return window;
>+    return (__bridge void*)window;
> }
> 
> bool WebNetscapePluginEventHandlerCocoa::sendEvent(NPCocoaEvent* event)
>diff --git a/Source/WebKitLegacy/mac/Plugins/WebNetscapePluginPackage.mm b/Source/WebKitLegacy/mac/Plugins/WebNetscapePluginPackage.mm
>index f6213f377df76d1231e2e8cfd192cf2158dfaf9f..f2289347421904bee3c88666c4e30092fc1050de 100644
>--- a/Source/WebKitLegacy/mac/Plugins/WebNetscapePluginPackage.mm
>+++ b/Source/WebKitLegacy/mac/Plugins/WebNetscapePluginPackage.mm
>@@ -76,11 +76,10 @@ - (BOOL)_initWithPath:(NSString *)pluginPath
>         return NO;
> 
> #if USE(PLUGIN_HOST_PROCESS)
>-    RetainPtr<CFArrayRef> archs = adoptCF(CFBundleCopyExecutableArchitectures(cfBundle.get()));
>-
>-    if ([(NSArray *)archs.get() containsObject:[NSNumber numberWithInteger:NSBundleExecutableArchitectureX86_64]])
>+    auto archs = adoptCF(CFBundleCopyExecutableArchitectures(cfBundle.get()));
>+    if ([(__bridge NSArray *)archs.get() containsObject:@(NSBundleExecutableArchitectureX86_64)])
>         pluginHostArchitecture = CPU_TYPE_X86_64;
>-    else if ([(NSArray *)archs.get() containsObject:[NSNumber numberWithInteger:NSBundleExecutableArchitectureI386]])
>+    else if ([(__bridge NSArray *)archs.get() containsObject:@(NSBundleExecutableArchitectureI386)])
>         pluginHostArchitecture = CPU_TYPE_X86;
>     else
>         return NO;
>@@ -94,7 +93,6 @@ - (BOOL)_initWithPath:(NSString *)pluginPath
> 
>      if (![self isNativeLibraryData:data])
>          return NO;
>-
> #endif
> 
>     if (![self getPluginInfoFromPLists])
>@@ -120,6 +118,7 @@ - (id)initWithPath:(NSString *)pluginPath
> }
> 
> #if USE(PLUGIN_HOST_PROCESS)
>+
> - (cpu_type_t)pluginHostArchitecture
> {
>     return pluginHostArchitecture;
>diff --git a/Source/WebKitLegacy/mac/Plugins/WebNetscapePluginView.mm b/Source/WebKitLegacy/mac/Plugins/WebNetscapePluginView.mm
>index b2b11d34cff57ec00406acff7c0e258ffb0357c8..49dc1c514f72c449ffdae729ca8d9c08164a9e3e 100644
>--- a/Source/WebKitLegacy/mac/Plugins/WebNetscapePluginView.mm
>+++ b/Source/WebKitLegacy/mac/Plugins/WebNetscapePluginView.mm
>@@ -1724,19 +1724,18 @@ - (NPError)_postURL:(const char *)URLCString
> 
>     if (file) {
>         // If we're posting a file, buf is either a file URL or a path to the file.
>-        NSString *bufString = (NSString *)CFStringCreateWithCString(kCFAllocatorDefault, buf, kCFStringEncodingWindowsLatin1);
>+        auto bufString = adoptCF(CFStringCreateWithCString(kCFAllocatorDefault, buf, kCFStringEncodingWindowsLatin1));
>         if (!bufString) {
>             return NPERR_INVALID_PARAM;
>         }
>-        NSURL *fileURL = [NSURL _web_URLWithDataAsString:bufString];
>+        NSURL *fileURL = [NSURL _web_URLWithDataAsString:(__bridge NSString *)bufString.get()];
>         NSString *path;
>         if ([fileURL isFileURL]) {
>             path = [fileURL path];
>         } else {
>-            path = bufString;
>+            path = (__bridge NSString *)bufString.get();
>         }
>         postData = [NSData dataWithContentsOfFile:path];
>-        CFRelease(bufString);
>         if (!postData) {
>             return NPERR_FILE_NOT_FOUND;
>         }
>@@ -1866,7 +1865,7 @@ -(void)status:(const char *)message
>     
>     LOG(Plugins, "NPN_Status: %@", status);
>     WebView *wv = [self webView];
>-    [[wv _UIDelegateForwarder] webView:wv setStatusText:(NSString *)status];
>+    [[wv _UIDelegateForwarder] webView:wv setStatusText:(__bridge NSString *)status];
>     CFRelease(status);
> }
> 
>@@ -2120,7 +2119,7 @@ - (NPError)popUpContextMenu:(NPMenu *)menu
>     if (!currentEvent)
>         return NPERR_GENERIC_ERROR;
>     
>-    [NSMenu popUpContextMenu:(NSMenu *)menu withEvent:currentEvent forView:self];
>+    [NSMenu popUpContextMenu:(__bridge NSMenu *)menu withEvent:currentEvent forView:self];
>     return NPERR_NO_ERROR;
> }
> 
>diff --git a/Source/WebKitLegacy/mac/Plugins/WebPluginController.mm b/Source/WebKitLegacy/mac/Plugins/WebPluginController.mm
>index df127fe0cddae6a6f419f6d40cc5eb4734f9ac47..290fef63ad916aa618d30a21d9143e218ec90e85 100644
>--- a/Source/WebKitLegacy/mac/Plugins/WebPluginController.mm
>+++ b/Source/WebKitLegacy/mac/Plugins/WebPluginController.mm
>@@ -410,7 +410,7 @@ static void cancelOutstandingCheck(const void *item, void *context)
> - (void)_cancelOutstandingChecks
> {
>     if (_checksInProgress) {
>-        CFSetApplyFunction((CFSetRef)_checksInProgress, cancelOutstandingCheck, NULL);
>+        CFSetApplyFunction((__bridge CFSetRef)_checksInProgress, cancelOutstandingCheck, NULL);
>         [_checksInProgress release];
>         _checksInProgress = nil;
>     }
>diff --git a/Source/WebKitLegacy/mac/Plugins/WebPluginDatabase.mm b/Source/WebKitLegacy/mac/Plugins/WebPluginDatabase.mm
>index d86f2319c4d7789684a7dfa030adb3009cff23e8..b7697e70307393cb57b6233d74436d2a7a92b19c 100644
>--- a/Source/WebKitLegacy/mac/Plugins/WebPluginDatabase.mm
>+++ b/Source/WebKitLegacy/mac/Plugins/WebPluginDatabase.mm
>@@ -86,7 +86,7 @@ + (void)closeSharedDatabase
>     [sharedDatabase close];
> }
> 
>-static void checkCandidate(WebBasePluginPackage **currentPlugin, WebBasePluginPackage **candidatePlugin)
>+static void checkCandidate(WebBasePluginPackage * __strong *currentPlugin, WebBasePluginPackage * __strong *candidatePlugin)
> {
>     if (!*currentPlugin) {
>         *currentPlugin = *candidatePlugin;
>diff --git a/Source/WebKitLegacy/mac/Plugins/npapi.mm b/Source/WebKitLegacy/mac/Plugins/npapi.mm
>index 23e4e467f0ee5c0210acc58f5cb3d4aba4a88dd1..c3ea74a8696fd41a284056f4c922e2c9f01f4801 100644
>--- a/Source/WebKitLegacy/mac/Plugins/npapi.mm
>+++ b/Source/WebKitLegacy/mac/Plugins/npapi.mm
>@@ -73,7 +73,7 @@ NPError NPN_RequestRead(NPStream* stream, NPByteRange* rangeList)
> WebNetscapePluginView *pluginViewForInstance(NPP instance)
> {
>     if (instance && instance->ndata)
>-        return (WebNetscapePluginView *)instance->ndata;
>+        return (__bridge WebNetscapePluginView *)instance->ndata;
>     else
>         return [WebNetscapePluginView currentPluginView];
> }
>diff --git a/Source/WebKitLegacy/mac/Storage/WebDatabaseManager.mm b/Source/WebKitLegacy/mac/Storage/WebDatabaseManager.mm
>index 0051f582dd5462fdfe5ff837e0c19a0640107d35..ceece13fa2ae4816cb6066b448e819faf7819fcc 100644
>--- a/Source/WebKitLegacy/mac/Storage/WebDatabaseManager.mm
>+++ b/Source/WebKitLegacy/mac/Storage/WebDatabaseManager.mm
>@@ -118,16 +118,15 @@ - (NSDictionary *)detailsForDatabase:(NSString *)databaseIdentifier withOrigin:(
>     if (!origin)
>         return nil;
> 
>-    DatabaseDetails details = DatabaseManager::singleton().detailsForNameAndOrigin(databaseIdentifier, *[origin _core]);
>+    auto details = DatabaseManager::singleton().detailsForNameAndOrigin(databaseIdentifier, *[origin _core]);
>     if (details.name().isNull())
>         return nil;
>-        
>-    static const id keys[3] = { WebDatabaseDisplayNameKey, WebDatabaseExpectedSizeKey, WebDatabaseUsageKey };
>-    id objects[3];
>-    objects[0] = details.displayName().isEmpty() ? databaseIdentifier : (NSString *)details.displayName();
>-    objects[1] = [NSNumber numberWithUnsignedLongLong:details.expectedUsage()];
>-    objects[2] = [NSNumber numberWithUnsignedLongLong:details.currentUsage()];
>-    return [[[NSDictionary alloc] initWithObjects:objects forKeys:keys count:3] autorelease];
>+
>+    return @{
>+        WebDatabaseDisplayNameKey: details.displayName().isEmpty() ? databaseIdentifier : (NSString *)details.displayName(),
>+        WebDatabaseExpectedSizeKey: @(details.expectedUsage()),
>+        WebDatabaseUsageKey: @(details.currentUsage()),
>+    };
> }
> 
> - (void)deleteAllDatabases
>diff --git a/Source/WebKitLegacy/mac/WebCoreSupport/WebContextMenuClient.mm b/Source/WebKitLegacy/mac/WebCoreSupport/WebContextMenuClient.mm
>index 0ec1223ca141074e31adbf8e6c3c93002f8c2706..e0dd64647c814aa7df858a932538e0e3d460591f 100644
>--- a/Source/WebKitLegacy/mac/WebCoreSupport/WebContextMenuClient.mm
>+++ b/Source/WebKitLegacy/mac/WebCoreSupport/WebContextMenuClient.mm
>@@ -32,16 +32,13 @@
> 
> #import "WebDelegateImplementationCaching.h"
> #import "WebElementDictionary.h"
>-#import "WebFrame.h"
> #import "WebFrameInternal.h"
>-#import "WebHTMLView.h"
>+#import "WebFrameView.h"
> #import "WebHTMLViewInternal.h"
> #import "WebKitVersionChecks.h"
> #import "WebNSPasteboardExtras.h"
> #import "WebSharingServicePickerController.h"
>-#import "WebUIDelegate.h"
> #import "WebUIDelegatePrivate.h"
>-#import "WebView.h"
> #import "WebViewInternal.h"
> #import <WebCore/BitmapImage.h>
> #import <WebCore/ContextMenu.h>
>@@ -121,7 +118,7 @@ bool WebContextMenuClient::isSpeaking()
> 
> void WebContextMenuClient::speak(const String& string)
> {
>-    [NSApp speakString:[[(NSString*)string copy] autorelease]];
>+    [NSApp speakString:(NSString *)string];
> }
> 
> void WebContextMenuClient::stopSpeaking()
>diff --git a/Source/WebKitLegacy/mac/WebCoreSupport/WebEditorClient.mm b/Source/WebKitLegacy/mac/WebCoreSupport/WebEditorClient.mm
>index 2eff76112ea9f895854835618fec7c872dbebf36..d311dd65f170c1b25d47a3279753a5d535b575eb 100644
>--- a/Source/WebKitLegacy/mac/WebCoreSupport/WebEditorClient.mm
>+++ b/Source/WebKitLegacy/mac/WebCoreSupport/WebEditorClient.mm
>@@ -45,7 +45,7 @@
> #import "WebEditingDelegatePrivate.h"
> #import "WebFormDelegate.h"
> #import "WebFrameInternal.h"
>-#import "WebHTMLView.h"
>+#import "WebFrameView.h"
> #import "WebHTMLViewInternal.h"
> #import "WebKitLogging.h"
> #import "WebKitVersionChecks.h"
>@@ -772,7 +772,7 @@ void WebEditorClient::handleKeyboardEvent(KeyboardEvent* event)
> {
>     auto* frame = downcast<Node>(event->target())->document().frame();
> #if !PLATFORM(IOS)
>-    WebHTMLView *webHTMLView = [[kit(frame) frameView] documentView];
>+    WebHTMLView *webHTMLView = (WebHTMLView *)[[kit(frame) frameView] documentView];
>     if ([webHTMLView _interpretKeyEvent:event savingCommands:NO])
>         event->setDefaultHandled();
> #else
>@@ -787,7 +787,7 @@ void WebEditorClient::handleInputMethodKeydown(KeyboardEvent* event)
> #if !PLATFORM(IOS)
>     // FIXME: Switch to WebKit2 model, interpreting the event before it's sent down to WebCore.
>     auto* frame = downcast<Node>(event->target())->document().frame();
>-    WebHTMLView *webHTMLView = [[kit(frame) frameView] documentView];
>+    WebHTMLView *webHTMLView = (WebHTMLView *)[[kit(frame) frameView] documentView];
>     if ([webHTMLView _interpretKeyEvent:event savingCommands:YES])
>         event->setDefaultHandled();
> #else
>diff --git a/Source/WebKitLegacy/mac/WebCoreSupport/WebFrameNetworkingContext.mm b/Source/WebKitLegacy/mac/WebCoreSupport/WebFrameNetworkingContext.mm
>index 19f51cd0e08b974eeb578605de7d30646b8ee2d7..661a37c5d577fee065d7a32f23e0f27bbfd66511 100644
>--- a/Source/WebKitLegacy/mac/WebCoreSupport/WebFrameNetworkingContext.mm
>+++ b/Source/WebKitLegacy/mac/WebCoreSupport/WebFrameNetworkingContext.mm
>@@ -77,7 +77,7 @@ RetainPtr<CFDataRef> WebFrameNetworkingContext::sourceApplicationAuditData() con
>     if (!webview)
>         return nullptr;
> 
>-    return reinterpret_cast<CFDataRef>(webview._sourceApplicationAuditData);
>+    return (__bridge CFDataRef)webview._sourceApplicationAuditData;
> }
> 
> String WebFrameNetworkingContext::sourceApplicationIdentifier() const
>diff --git a/Source/WebKitLegacy/mac/WebCoreSupport/WebSecurityOriginPrivate.h b/Source/WebKitLegacy/mac/WebCoreSupport/WebSecurityOriginPrivate.h
>index 5fe1b0ba31b6c0109ce467dc41e031f9cd1b1b34..d6e5399f54d9df85d92ac416021cc1954e05ba6e 100644
>--- a/Source/WebKitLegacy/mac/WebCoreSupport/WebSecurityOriginPrivate.h
>+++ b/Source/WebKitLegacy/mac/WebCoreSupport/WebSecurityOriginPrivate.h
>@@ -1,5 +1,5 @@
> /*
>- * Copyright (C) 2007, 2010, 2012 Apple Inc.  All rights reserved.
>+ * Copyright (C) 2007-2018 Apple Inc. All rights reserved.
>  *
>  * Redistribution and use in source and binary forms, with or without
>  * modification, are permitted provided that the following conditions
>@@ -26,7 +26,8 @@
>  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
>  */
> 
>-@class WebSecurityOriginPrivate;
>+struct WebSecurityOriginPrivate;
>+
> @protocol WebQuotaManager;
> 
> @interface WebSecurityOrigin : NSObject {
>diff --git a/Source/WebKitLegacy/mac/WebInspector/WebNodeHighlighter.mm b/Source/WebKitLegacy/mac/WebInspector/WebNodeHighlighter.mm
>index b4aca6f7b878e94200f234216180fc4c59b740fb..7e907c980ad9fc910befb34850ee7b930d939bab 100644
>--- a/Source/WebKitLegacy/mac/WebInspector/WebNodeHighlighter.mm
>+++ b/Source/WebKitLegacy/mac/WebInspector/WebNodeHighlighter.mm
>@@ -29,7 +29,9 @@
> #import "WebNodeHighlighter.h"
> 
> #import "DOMNodeInternal.h"
>+#import "WebFrameView.h"
> #import "WebNodeHighlight.h"
>+#import "WebNodeHighlightView.h"
> #import "WebViewInternal.h"
> #import <WebCore/Page.h>
> 
>diff --git a/Source/WebKitLegacy/mac/WebView/WebFullScreenController.mm b/Source/WebKitLegacy/mac/WebView/WebFullScreenController.mm
>index fd3d3520e38dc19544364e5b0efb0d3010e167c3..753dceb28d30e6a90f4017d9f01e3d4edfff1539 100644
>--- a/Source/WebKitLegacy/mac/WebView/WebFullScreenController.mm
>+++ b/Source/WebKitLegacy/mac/WebView/WebFullScreenController.mm
>@@ -224,7 +224,7 @@ - (void)enterFullScreen:(NSScreen *)screen
>         [_webViewPlaceholder.get() setLayer:[CALayer layer]];
>         [_webViewPlaceholder.get() setWantsLayer:YES];
>     }
>-    [[_webViewPlaceholder.get() layer] setContents:(id)webViewContents.get()];
>+    [[_webViewPlaceholder.get() layer] setContents:(__bridge id)webViewContents.get()];
>     _scrollPosition = [_webView _mainCoreFrame]->view()->scrollPosition();
>     [self _swapView:_webView with:_webViewPlaceholder.get()];
>     
>diff --git a/Source/WebKitLegacy/mac/WebView/WebHTMLView.mm b/Source/WebKitLegacy/mac/WebView/WebHTMLView.mm
>index f52a48c1443b22d4205d4a91b32e6a68b3729363..66fbeb207200dd6a68a4c672a11319c509b399cb 100644
>--- a/Source/WebKitLegacy/mac/WebView/WebHTMLView.mm
>+++ b/Source/WebKitLegacy/mac/WebView/WebHTMLView.mm
>@@ -1335,7 +1335,7 @@ - (void)_writeSelectionWithPasteboardTypes:(NSArray *)types toPasteboard:(NSPast
>     if ([types containsObject:WebArchivePboardType]) {
>         if (RefPtr<LegacyWebArchive> coreArchive = LegacyWebArchive::createFromSelection(core([self _frame]))) {
>             if (RetainPtr<CFDataRef> data = coreArchive ? coreArchive->rawDataRepresentation() : 0)
>-                [pasteboard setData:(NSData *)data.get() forType:WebArchivePboardType];
>+                [pasteboard setData:(__bridge NSData *)data.get() forType:WebArchivePboardType];
>         }
>     }
> 
>@@ -2020,7 +2020,7 @@ - (void)pasteboard:(NSPasteboard *)pasteboard provideDataForType:(NSString *)typ
>         [pasteboard _web_writePromisedRTFDFromArchive:archive.get() containsImage:[[pasteboard types] containsObject:legacyTIFFPasteboardType()]];
>     } else if ([type isEqualToString:legacyTIFFPasteboardType()] && _private->promisedDragTIFFDataSource) {
>         if (auto* image = _private->promisedDragTIFFDataSource->image())
>-            [pasteboard setData:(NSData *)image->tiffRepresentation() forType:legacyTIFFPasteboardType()];
>+            [pasteboard setData:(__bridge NSData *)image->tiffRepresentation() forType:legacyTIFFPasteboardType()];
>         [self setPromisedDragTIFFDataSource:nullptr];
>     }
> }
>diff --git a/Source/WebKitLegacy/mac/WebView/WebImmediateActionController.mm b/Source/WebKitLegacy/mac/WebView/WebImmediateActionController.mm
>index 926d4e4264e92e2e2a07d398568e5d31a3166dc3..633872445d24a66f262f040eb299bd92d02cf47e 100644
>--- a/Source/WebKitLegacy/mac/WebView/WebImmediateActionController.mm
>+++ b/Source/WebKitLegacy/mac/WebView/WebImmediateActionController.mm
>@@ -32,7 +32,7 @@
> #import "DOMRangeInternal.h"
> #import "WebElementDictionary.h"
> #import "WebFrameInternal.h"
>-#import "WebHTMLView.h"
>+#import "WebFrameView.h"
> #import "WebHTMLViewInternal.h"
> #import "WebUIDelegatePrivate.h"
> #import "WebViewInternal.h"
>@@ -145,9 +145,10 @@ - (void)_clearImmediateActionState
> 
> - (void)performHitTestAtPoint:(NSPoint)viewPoint
> {
>-    Frame* coreFrame = core([[[[_webView _selectedOrMainFrame] frameView] documentView] _frame]);
>+    Frame* coreFrame = [_webView _mainCoreFrame];
>     if (!coreFrame)
>         return;
>+
>     _hitTestResult = coreFrame->eventHandler().hitTestResultAtPoint(IntPoint(viewPoint));
>     coreFrame->eventHandler().setImmediateActionStage(ImmediateActionStage::PerformedHitTest);
> 
>@@ -205,10 +206,9 @@ - (void)immediateActionRecognizerDidUpdateAnimation:(NSImmediateActionGestureRec
>     if (immediateActionRecognizer != _immediateActionRecognizer)
>         return;
> 
>-    Frame* coreFrame = core([[[[_webView _selectedOrMainFrame] frameView] documentView] _frame]);
>-    if (!coreFrame)
>-        return;
>-    coreFrame->eventHandler().setImmediateActionStage(ImmediateActionStage::ActionUpdated);
>+    if (Frame* coreFrame = [_webView _mainCoreFrame])
>+        coreFrame->eventHandler().setImmediateActionStage(ImmediateActionStage::ActionUpdated);
>+
>     if (_contentPreventsDefault)
>         return;
> 
>@@ -220,12 +220,7 @@ - (void)immediateActionRecognizerDidCancelAnimation:(NSImmediateActionGestureRec
>     if (immediateActionRecognizer != _immediateActionRecognizer)
>         return;
> 
>-    NSView *documentView = [[[_webView _selectedOrMainFrame] frameView] documentView];
>-    if (![documentView isKindOfClass:[WebHTMLView class]])
>-        return;
>-
>-    Frame* coreFrame = core([(WebHTMLView *)documentView _frame]);
>-    if (coreFrame) {
>+    if (Frame* coreFrame = [_webView _mainCoreFrame]) {
>         ImmediateActionStage lastStage = coreFrame->eventHandler().immediateActionStage();
>         if (lastStage == ImmediateActionStage::ActionUpdated)
>             coreFrame->eventHandler().setImmediateActionStage(ImmediateActionStage::ActionCancelledAfterUpdate);
>@@ -244,10 +239,8 @@ - (void)immediateActionRecognizerDidCompleteAnimation:(NSImmediateActionGestureR
>     if (immediateActionRecognizer != _immediateActionRecognizer)
>         return;
> 
>-    Frame* coreFrame = core([[[[_webView _selectedOrMainFrame] frameView] documentView] _frame]);
>-    if (!coreFrame)
>-        return;
>-    coreFrame->eventHandler().setImmediateActionStage(ImmediateActionStage::ActionCompleted);
>+    if (Frame* coreFrame = [_webView _mainCoreFrame])
>+        coreFrame->eventHandler().setImmediateActionStage(ImmediateActionStage::ActionCompleted);
> 
>     [_webView _setTextIndicatorAnimationProgress:1];
>     [_webView _setMaintainsInactiveSelection:NO];
>diff --git a/Source/WebKitLegacy/mac/WebView/WebJSPDFDoc.mm b/Source/WebKitLegacy/mac/WebView/WebJSPDFDoc.mm
>index 24169fe0a4e6feb23d9d8de3fe1e81706b718b4b..e8bf4b5135b8fde95a3bc50214a5aaea9ef32554 100644
>--- a/Source/WebKitLegacy/mac/WebView/WebJSPDFDoc.mm
>+++ b/Source/WebKitLegacy/mac/WebView/WebJSPDFDoc.mm
>@@ -33,19 +33,17 @@
> 
> static void jsPDFDocInitialize(JSContextRef ctx, JSObjectRef object)
> {
>-    WebDataSource *dataSource = (WebDataSource *)JSObjectGetPrivate(object);
>-    CFRetain(dataSource);
>+    CFRetain(JSObjectGetPrivate(object));
> }
> 
> static void jsPDFDocFinalize(JSObjectRef object)
> {
>-    WebDataSource *dataSource = (WebDataSource *)JSObjectGetPrivate(object);
>-    CFRelease(dataSource);
>+    CFRelease(JSObjectGetPrivate(object));
> }
> 
> static JSValueRef jsPDFDocPrint(JSContextRef ctx, JSObjectRef function, JSObjectRef thisObject, size_t argumentCount, const JSValueRef arguments[], JSValueRef* exception)
> {
>-    WebDataSource *dataSource = (WebDataSource *)JSObjectGetPrivate(thisObject);
>+    WebDataSource *dataSource = (__bridge WebDataSource *)JSObjectGetPrivate(thisObject);
> 
>     WebView *webView = [[dataSource webFrame] webView];
>     CallUIDelegate(webView, @selector(webView:printFrameView:), [[dataSource webFrame] frameView]);
>@@ -72,5 +70,5 @@ JSObjectRef makeJSPDFDoc(JSContextRef ctx, WebDataSource *dataSource)
> {
>     static JSClassRef jsPDFDocClass = JSClassCreate(&jsPDFDocClassDefinition);
> 
>-    return JSObjectMake(ctx, jsPDFDocClass, dataSource);
>+    return JSObjectMake(ctx, jsPDFDocClass, (__bridge void*)dataSource);
> }
>diff --git a/Source/WebKitLegacy/mac/WebView/WebPDFView.mm b/Source/WebKitLegacy/mac/WebView/WebPDFView.mm
>index 26b25edc1e8813b132317ae9616a8713e1a0fc20..9ab23386de37dde6c2980e3f193e2a7533300ea1 100644
>--- a/Source/WebKitLegacy/mac/WebView/WebPDFView.mm
>+++ b/Source/WebKitLegacy/mac/WebView/WebPDFView.mm
>@@ -26,10 +26,10 @@
>  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
>  */
> 
>-#if !PLATFORM(IOS)
>-
> #import "WebPDFView.h"
> 
>+#if PLATFORM(MAC)
>+
> #import "DOMNodeInternal.h"
> #import "DOMRangeInternal.h"
> #import "PDFViewSPI.h"
>@@ -128,12 +128,12 @@ static void _applicationInfoForMIMEType(NSString *type, NSString **name, NSImage
> 
> #pragma clang diagnostic push
> #pragma clang diagnostic ignored "-Wdeprecated-declarations"
>-    OSStatus error = LSCopyApplicationForMIMEType((CFStringRef)type, kLSRolesAll, &appURL);
>+    OSStatus error = LSCopyApplicationForMIMEType((__bridge CFStringRef)type, kLSRolesAll, &appURL);
> #pragma clang diagnostic pop
>     if (error != noErr)
>         return;
>     
>-    NSString *appPath = [(NSURL *)appURL path];
>+    NSString *appPath = [(__bridge NSURL *)appURL path];
>     CFRelease(appURL);
>     
>     *image = [[NSWorkspace sharedWorkspace] iconForFile:appPath];  
>@@ -1594,4 +1594,4 @@ - (NSMethodSignature *)methodSignatureForSelector:(SEL)sel
> 
> @end
> 
>-#endif // !PLATFORM(IOS)
>+#endif // PLATFORM(MAC)
>diff --git a/Source/WebKitLegacy/mac/WebView/WebPreferences.mm b/Source/WebKitLegacy/mac/WebView/WebPreferences.mm
>index 1f65df0266dade9a6738249487846ab8fe9fb27c..4afda34d0606302c7ff7759ec4a9db616170bc87 100644
>--- a/Source/WebKitLegacy/mac/WebView/WebPreferences.mm
>+++ b/Source/WebKitLegacy/mac/WebView/WebPreferences.mm
>@@ -764,7 +764,7 @@ - (void)_setIntegerValue:(int)value forKey:(NSString *)key
> #if PLATFORM(IOS)
>     dispatch_barrier_sync(_private->readWriteQueue, ^{
> #endif
>-    [_private->values.get() _webkit_setInt:value forKey:_key];
>+    [_private->values.get() setObject:@(value) forKey:_key];
> #if PLATFORM(IOS)
>     });
> #endif
>@@ -787,7 +787,7 @@ - (void)_setUnsignedIntValue:(unsigned int)value forKey:(NSString *)key
> #if PLATFORM(IOS)
>     dispatch_barrier_sync(_private->readWriteQueue, ^{
> #endif
>-    [_private->values.get() _webkit_setUnsignedInt:value forKey:_key];
>+    [_private->values.get() setObject:@(value) forKey:_key];
> #if PLATFORM(IOS)
>     });
> #endif
>@@ -810,7 +810,7 @@ - (void)_setFloatValue:(float)value forKey:(NSString *)key
> #if PLATFORM(IOS)
>     dispatch_barrier_sync(_private->readWriteQueue, ^{
> #endif
>-    [_private->values.get() _webkit_setFloat:value forKey:_key];
>+    [_private->values.get() setObject:@(value) forKey:_key];
> #if PLATFORM(IOS)
>     });
> #endif
>@@ -832,7 +832,7 @@ - (void)_setBoolValue:(BOOL)value forKey:(NSString *)key
> #if PLATFORM(IOS)
>     dispatch_barrier_sync(_private->readWriteQueue, ^{
> #endif
>-    [_private->values.get() _webkit_setBool:value forKey:_key];
>+    [_private->values.get() setObject:@(value) forKey:_key];
> #if PLATFORM(IOS)
>     });
> #endif
>@@ -855,7 +855,7 @@ - (void)_setLongLongValue:(long long)value forKey:(NSString *)key
> #if PLATFORM(IOS)
>     dispatch_barrier_sync(_private->readWriteQueue, ^{
> #endif
>-    [_private->values.get() _webkit_setLongLong:value forKey:_key];
>+    [_private->values.get() setObject:@(value) forKey:_key];
> #if PLATFORM(IOS)
>     });
> #endif
>@@ -878,7 +878,7 @@ - (void)_setUnsignedLongLongValue:(unsigned long long)value forKey:(NSString *)k
> #if PLATFORM(IOS)
>     dispatch_barrier_sync(_private->readWriteQueue, ^{
> #endif
>-    [_private->values.get() _webkit_setUnsignedLongLong:value forKey:_key];
>+    [_private->values.get() setObject:@(value) forKey:_key];
> #if PLATFORM(IOS)
>     });
> #endif
>diff --git a/Source/WebKitLegacy/mac/WebView/WebView.mm b/Source/WebKitLegacy/mac/WebView/WebView.mm
>index 9cff0bd6591c5a5337ced851df7c1086001be090..d4d1e6efceaa6dbc493e86e26ce4f81611ea03df 100644
>--- a/Source/WebKitLegacy/mac/WebView/WebView.mm
>+++ b/Source/WebKitLegacy/mac/WebView/WebView.mm
>@@ -1114,13 +1114,13 @@ + (void)_makeAllWebViewsPerformSelector:(SEL)selector
>     if (!allWebViewsSet)
>         return;
> 
>-    [(NSMutableSet *)allWebViewsSet makeObjectsPerformSelector:selector];
>+    [(__bridge NSMutableSet *)allWebViewsSet makeObjectsPerformSelector:selector];
> }
> 
> - (void)_removeFromAllWebViewsSet
> {
>     if (allWebViewsSet)
>-        CFSetRemoveValue(allWebViewsSet, self);
>+        CFSetRemoveValue(allWebViewsSet, (__bridge CFTypeRef)self);
> }
> 
> - (void)_addToAllWebViewsSet
>@@ -1128,7 +1128,7 @@ - (void)_addToAllWebViewsSet
>     if (!allWebViewsSet)
>         allWebViewsSet = CFSetCreateMutable(NULL, 0, &NonRetainingSetCallbacks);
> 
>-    CFSetSetValue(allWebViewsSet, self);
>+    CFSetSetValue(allWebViewsSet, (__bridge CFTypeRef)self);
> }
> 
> @end
>@@ -2113,10 +2113,7 @@ + (void)closeAllWebViews
>     DOMWindow::dispatchAllPendingUnloadEvents();
> 
>     // This will close the WebViews in a random order. Change this if close order is important.
>-    // Make a new set to avoid mutating the set we are enumerating.
>-    NSSet *webViewsToClose = [NSSet setWithSet:(NSSet *)allWebViewsSet]; 
>-    NSEnumerator *enumerator = [webViewsToClose objectEnumerator];
>-    while (WebView *webView = [enumerator nextObject])
>+    for (WebView *webView in [(__bridge NSSet *)allWebViewsSet allObjects])
>         [webView close];
> }
> 
>@@ -6174,11 +6171,6 @@ - (void)_windowWillOrderOffScreen:(NSNotification *)notification
>     }
> }
> 
>-- (void)_windowVisibilityChanged:(NSNotification *)notification
>-{
>-    [self _updateVisibilityState];
>-}
>-
> - (void)_windowWillClose:(NSNotification *)notification
> {
>     if ([self shouldCloseWithWindow] && ([self window] == [self hostWindow] || ([self window] && ![self hostWindow]) || (![self window] && [self hostWindow])))
>@@ -10066,6 +10058,11 @@ - (id)candidateList
> 
> #endif
> 
>+- (void)_windowVisibilityChanged:(NSNotification *)notification
>+{
>+    [self _updateVisibilityState];
>+}
>+
> @end
> 
> @implementation WebView (WebViewDeviceOrientation)
>diff --git a/Source/WebKitLegacy/mac/WebView/WebViewData.mm b/Source/WebKitLegacy/mac/WebView/WebViewData.mm
>index 68253714a04570898f0ebd6c6e43ade5d96a3796..6492e4aaea2abd6f4d590751b32c552d7c1578b0 100644
>--- a/Source/WebKitLegacy/mac/WebView/WebViewData.mm
>+++ b/Source/WebKitLegacy/mac/WebView/WebViewData.mm
>@@ -33,6 +33,7 @@
> #import "WebPreferenceKeysPrivate.h"
> #import "WebSelectionServiceController.h"
> #import "WebViewGroup.h"
>+#import "WebViewInternal.h"
> #import <JavaScriptCore/InitializeThreading.h>
> #import <WebCore/AlternativeTextUIController.h>
> #import <WebCore/HistoryItem.h>
>diff --git a/Source/WebKitLegacy/mac/WebView/WebViewInternal.h b/Source/WebKitLegacy/mac/WebView/WebViewInternal.h
>index 90fa38770859ef1e8bacffac42fcc10a05e5499a..0e7c5d7e92e28b2efe62fa7ce3ad912a47f093d8 100644
>--- a/Source/WebKitLegacy/mac/WebView/WebViewInternal.h
>+++ b/Source/WebKitLegacy/mac/WebView/WebViewInternal.h
>@@ -146,6 +146,8 @@ OBJC_CLASS NSTextAlternatives;
> - (WebSelectionServiceController&)_selectionServiceController;
> #endif
> 
>+- (void)_windowVisibilityChanged:(NSNotification *)notification;
>+
> @end
> 
> #endif
>diff --git a/Tools/ChangeLog b/Tools/ChangeLog
>index 1f12887fd1c1bfabbad1a112a4c1676c4c7e129f..2ee086c9e3ba69aff8b00c4e2cca704ac729cfb1 100644
>--- a/Tools/ChangeLog
>+++ b/Tools/ChangeLog
>@@ -1,3 +1,178 @@
>+2018-08-05  Darin Adler  <darin@apple.com>
>+
>+        [Cocoa] More tweaks and refactoring to prepare for ARC
>+        https://bugs.webkit.org/show_bug.cgi?id=188245
>+
>+        Reviewed by NOBODY (OOPS!).
>+
>+        * DumpRenderTree/TestNetscapePlugIn/PluginObject.h: Use const void* for a
>+        CFTypeRef instead of void*.
>+
>+        * DumpRenderTree/TestNetscapePlugIn/PluginObjectMac.mm:
>+        (createCoreAnimationLayer): Use CFBridgingRetain.
>+
>+        * DumpRenderTree/mac/AccessibilityUIElementMac.mm:
>+        (AccessibilityUIElement::lineTextMarkerRangeForTextMarker): Use bridging casts.
>+        (AccessibilityUIElement::textMarkerRangeForElement): Ditto.
>+        (AccessibilityUIElement::selectedTextMarkerRange): Ditto.
>+        (AccessibilityUIElement::textMarkerRangeLength): Ditto.
>+        (AccessibilityUIElement::attributedStringForTextMarkerRangeContainsAttribute): Ditto.
>+        (AccessibilityUIElement::indexForTextMarker): Ditto.
>+        (AccessibilityUIElement::textMarkerForIndex): Ditto.
>+        (AccessibilityUIElement::isTextMarkerValid): Ditto.
>+        (AccessibilityUIElement::previousTextMarker): Ditto.
>+        (AccessibilityUIElement::nextTextMarker): Ditto.
>+        (AccessibilityUIElement::stringForTextMarkerRange): Ditto.
>+        (createJSStringRef): Ditto.
>+        (AccessibilityUIElement::attributedStringForTextMarkerRange): Ditto.
>+        (AccessibilityUIElement::attributedStringForTextMarkerRangeWithOptions): Ditto.
>+        (AccessibilityUIElement::textMarkerRangeForMarkers): Ditto.
>+        (AccessibilityUIElement::startTextMarkerForTextMarkerRange): Ditto.
>+        (AccessibilityUIElement::endTextMarkerForTextMarkerRange): Ditto.
>+        (AccessibilityUIElement::endTextMarkerForBounds): Ditto.
>+        (AccessibilityUIElement::startTextMarkerForBounds): Ditto.
>+        (AccessibilityUIElement::textMarkerForPoint): Ditto.
>+        (AccessibilityUIElement::accessibilityElementForTextMarker): Ditto.
>+        (AccessibilityUIElement::startTextMarker): Ditto.
>+        (AccessibilityUIElement::endTextMarker): Ditto.
>+        (AccessibilityUIElement::setSelectedVisibleTextRange): Ditto.
>+        (AccessibilityUIElement::leftWordTextMarkerRangeForTextMarker): Ditto.
>+        (AccessibilityUIElement::rightWordTextMarkerRangeForTextMarker): Ditto.
>+        (AccessibilityUIElement::previousWordStartTextMarkerForTextMarker): Ditto.
>+        (AccessibilityUIElement::nextWordEndTextMarkerForTextMarker): Ditto.
>+        (AccessibilityUIElement::paragraphTextMarkerRangeForTextMarker): Ditto.
>+        (AccessibilityUIElement::previousParagraphStartTextMarkerForTextMarker): Ditto.
>+        (AccessibilityUIElement::nextParagraphEndTextMarkerForTextMarker): Ditto.
>+        (AccessibilityUIElement::sentenceTextMarkerRangeForTextMarker): Ditto.
>+        (AccessibilityUIElement::previousSentenceStartTextMarkerForTextMarker): Ditto.
>+        (AccessibilityUIElement::nextSentenceEndTextMarkerForTextMarker): Ditto.
>+
>+        * DumpRenderTree/mac/DumpRenderTree.mm:
>+        (resetWebPreferencesToConsistentValues): Use bridging cast.
>+        (dumpFramesAsText): Ditto.
>+        (dumpBackForwardListForAllWindows): User a modern for loop instead of
>+        CFArray functions to iterate the array.
>+        (dump): Use bridging cast.
>+        (runTest): Ditto.
>+
>+        * DumpRenderTree/mac/DumpRenderTreePasteboard.mm:
>+        (+[LocalPasteboard alloc]): Use class_createInstance instead of NSAllocateObject.
>+        (toUTI): Return a RetainPtr<CFStringRef>.
>+        (-[LocalPasteboard types]): Use the above and bridging casts.
>+        (-[LocalPasteboard availableTypeFromArray:]): Ditto.
>+        (-[LocalPasteboard setData:forType:]): Ditto.
>+        (-[LocalPasteboard dataForType:]): Ditto.
>+        (-[LocalPasteboard setPropertyList:forType:]): Use NSPropertyListSerialization
>+        instead of CFPropertyList.
>+        (-[LocalPasteboard setString:forType:]): Use NSString method instead of
>+        CFStringCreateExternalRepresentation.
>+
>+        * DumpRenderTree/mac/MockGeolocationProvider.h: Put CFTypeRef in a HashSet
>+        instead of an Objective-C object pointer type.
>+        * DumpRenderTree/mac/MockGeolocationProvider.mm:
>+        (-[MockGeolocationProvider registerWebView:]): Update for above.
>+        (-[MockGeolocationProvider unregisterWebView:]): Ditto.
>+        (-[MockGeolocationProvider timerFired]): Ditto.
>+
>+        * DumpRenderTree/mac/MockWebNotificationProvider.h: Use CFTypeRef in
>+        HashMap and HashSet instead of an Objective-C object pointer type.
>+        * DumpRenderTree/mac/MockWebNotificationProvider.mm:
>+        (-[MockWebNotificationProvider registerWebView:]): Update for above.
>+        (-[MockWebNotificationProvider unregisterWebView:]): Ditto.
>+        (-[MockWebNotificationProvider showNotification:fromWebView:]): Ditto.
>+        (-[MockWebNotificationProvider cancelNotification:]): Ditto.
>+        (-[MockWebNotificationProvider simulateWebNotificationClick:]): Ditto.
>+
>+        * DumpRenderTree/mac/ObjCPlugin.m:
>+        (-[JSObjC retainObject:]): Use CFRetain instead of -[NSObject retain].
>+
>+        * DumpRenderTree/mac/TestRunnerMac.mm:
>+        (TestRunner::addDisallowedURL): Use bridging cast.
>+        (TestRunner::applicationCacheDiskUsageForOrigin): Ditto.
>+        (TestRunner::clearApplicationCacheForOrigin): Ditto.
>+        (originsArrayToJS): Ditto.
>+        (TestRunner::copyDecodedHostName): Ditto.
>+        (TestRunner::copyEncodedHostName): Ditto.
>+        (TestRunner::queueLoad): Ditto.
>+        (TestRunner::setDomainRelaxationForbiddenForURLScheme): Ditto.
>+        (TestRunner::setMockGeolocationPositionUnavailableError): Ditto.
>+        (TestRunner::setUserStyleSheetLocation): Ditto.
>+        (TestRunner::setValueForUser): Ditto.
>+        (TestRunner::overridePreference): Ditto.
>+        (TestRunner::execCommand): Ditto.
>+        (TestRunner::findString): Ditto.
>+        (TestRunner::isCommandEnabled): Ditto.
>+        (TestRunner::addOriginAccessWhitelistEntry): Ditto.
>+        (TestRunner::removeOriginAccessWhitelistEntry): Ditto.
>+        (TestRunner::addUserScript): Ditto.
>+        (TestRunner::addUserStyleSheet): Ditto.
>+        (TestRunner::evaluateInWebInspector): Ditto.
>+        (TestRunner::evaluateScriptInIsolatedWorld): Ditto.
>+        (TestRunner::authenticateSession): Ditto.
>+        (TestRunner::grantWebNotificationPermission): Ditto.
>+        (TestRunner::denyWebNotificationPermission): Ditto.
>+        * TestRunnerShared/cocoa/LayoutTestSpellChecker.mm:
>+        (-[LayoutTestSpellChecker setResultsFromJSObject:inContext:]): Ditto.
>+
>+        * WebKitTestRunner/InjectedBundle/mac/AccessibilityUIElementMac.mm:
>+        (WTR::AccessibilityUIElement::lineTextMarkerRangeForTextMarker): Use bridging cast.
>+        (WTR::AccessibilityUIElement::textMarkerRangeForElement): Ditto.
>+        (WTR::AccessibilityUIElement::previousTextMarker): Ditto.
>+        (WTR::AccessibilityUIElement::nextTextMarker): Ditto.
>+        (WTR::AccessibilityUIElement::textMarkerRangeForMarkers): Ditto.
>+        (WTR::AccessibilityUIElement::selectedTextMarkerRange): Ditto.
>+        (WTR::AccessibilityUIElement::startTextMarkerForTextMarkerRange): Ditto.
>+        (WTR::AccessibilityUIElement::endTextMarkerForTextMarkerRange): Ditto.
>+        (WTR::AccessibilityUIElement::endTextMarkerForBounds): Ditto.
>+        (WTR::AccessibilityUIElement::startTextMarkerForBounds): Ditto.
>+        (WTR::AccessibilityUIElement::textMarkerForPoint): Ditto.
>+        (WTR::AccessibilityUIElement::textMarkerForIndex): Ditto.
>+        (WTR::AccessibilityUIElement::startTextMarker): Ditto.
>+        (WTR::AccessibilityUIElement::endTextMarker): Ditto.
>+        (WTR::AccessibilityUIElement::leftWordTextMarkerRangeForTextMarker): Ditto.
>+        (WTR::AccessibilityUIElement::rightWordTextMarkerRangeForTextMarker): Ditto.
>+        (WTR::AccessibilityUIElement::previousWordStartTextMarkerForTextMarker): Ditto.
>+        (WTR::AccessibilityUIElement::nextWordEndTextMarkerForTextMarker): Ditto.
>+        (WTR::AccessibilityUIElement::paragraphTextMarkerRangeForTextMarker): Ditto.
>+        (WTR::AccessibilityUIElement::previousParagraphStartTextMarkerForTextMarker): Ditto.
>+        (WTR::AccessibilityUIElement::nextParagraphEndTextMarkerForTextMarker): Ditto.
>+        (WTR::AccessibilityUIElement::sentenceTextMarkerRangeForTextMarker): Ditto.
>+        (WTR::AccessibilityUIElement::previousSentenceStartTextMarkerForTextMarker): Ditto.
>+        (WTR::AccessibilityUIElement::nextSentenceEndTextMarkerForTextMarker): Ditto.
>+
>+        * WebKitTestRunner/PlatformMac.cmake: Added WebKitTestRunnerWindow.h and .mm files.
>+        * WebKitTestRunner/WebKitTestRunner.xcodeproj/project.pbxproj: Ditto.
>+
>+        * WebKitTestRunner/mac/EventSenderProxy.mm: Add include of WebKitTestRunnerWindow.h
>+        so we can use the type and know it inherits from NSWindow.
>+
>+        * WebKitTestRunner/mac/PlatformWebViewMac.mm: Add include of WebKitTestRunnerWindow.h
>+        so we can use the type and know it inherits from NSWindow. Moved WebKitTestRunnerWindow
>+        class into a separate file.
>+        (WTR::PlatformWebView::keyWindow): Call +[WebKitTestRunnerWindow _WTR_keyWindow]
>+        instead of have a second copy of the implementation.
>+
>+        * WebKitTestRunner/mac/WebKitTestRunnerEvent.mm: Add include of WebKitTestRunnerWindow.h
>+        so we can use the type and know it inherits from NSWindow. Also removed "using namespace".
>+        (+[WebKitTestRunnerEvent mouseLocation]): Updated for above.
>+
>+        * WebKitTestRunner/mac/WebKitTestRunnerPasteboard.mm:
>+        (+[LocalPasteboard alloc]): Use class_createInstance instead of NSAllocateObject.
>+        (-[LocalPasteboard availableTypeFromArray:]): Use modern for loop.
>+        (-[LocalPasteboard setData:forType:]): Reordered method to be a tiny bit more efficient.
>+        (-[LocalPasteboard setPropertyList:forType:]): Use NSPropertyListSerialization
>+        instead of CFPropertyList.
>+        (-[LocalPasteboard setString:forType:]): Use NSString method instead of
>+        CFStringCreateExternalRepresentation.
>+
>+        * WebKitTestRunner/mac/WebKitTestRunnerWindow.h: Moved declaration of
>+        WebKitTestRunnerWindow here so it can be included by files that need to know
>+        what the type is and that it inherits from NSWindow.
>+
>+        * WebKitTestRunner/mac/WebKitTestRunnerWindow.mm: Added. Moved implementation here.
>+        (+[WebKitTestRunnerWindow _WTR_keyWindow]): Use modern for loop instead of the old,
>+        messier implementation.
>+
> 2018-08-03  Ben Richards  <benton_richards@apple.com>
> 
>         We should cache the compiled sandbox profile in a data vault
>diff --git a/Tools/DumpRenderTree/TestNetscapePlugIn/PluginObject.h b/Tools/DumpRenderTree/TestNetscapePlugIn/PluginObject.h
>index e87744688e204817ea13a14b45f908317a570564..fc73263185a7cfecf41fe8a64086070acc39ce59 100644
>--- a/Tools/DumpRenderTree/TestNetscapePlugIn/PluginObject.h
>+++ b/Tools/DumpRenderTree/TestNetscapePlugIn/PluginObject.h
>@@ -68,7 +68,7 @@ typedef struct {
>     NPEventModel eventModel;
> #endif
> #ifdef XP_MACOSX
>-    void* coreAnimationLayer;
>+    const void* coreAnimationLayer;
> #endif
>     NPWindow lastWindow;
> } PluginObject;
>@@ -83,7 +83,7 @@ extern bool testDocumentOpen(NPP npp);
> extern bool testWindowOpen(NPP npp);
> 
> #ifdef XP_MACOSX
>-extern void* createCoreAnimationLayer();
>+extern const void* createCoreAnimationLayer();
> #endif
> 
> #endif
>diff --git a/Tools/DumpRenderTree/TestNetscapePlugIn/PluginObjectMac.mm b/Tools/DumpRenderTree/TestNetscapePlugIn/PluginObjectMac.mm
>index 4dca7f537ac62a952c706ae535b4426b2f11cfbd..edecd929c50b7d5de5b59c34ad373cddab715302 100644
>--- a/Tools/DumpRenderTree/TestNetscapePlugIn/PluginObjectMac.mm
>+++ b/Tools/DumpRenderTree/TestNetscapePlugIn/PluginObjectMac.mm
>@@ -42,7 +42,7 @@ - (void)drawInContext:(CGContextRef)context
> 
> @end
> 
>-void* createCoreAnimationLayer()
>+const void* createCoreAnimationLayer()
> {
>     CALayer *caLayer = [[TestPluginLayer alloc] init];
> 
>@@ -93,5 +93,5 @@ void* createCoreAnimationLayer()
>                                                       attribute:kCAConstraintMaxX]];
> 
>     [caLayer addSublayer:sublayer];
>-    return caLayer;
>+    return CFBridgingRetain(caLayer);
> }
>diff --git a/Tools/DumpRenderTree/mac/AccessibilityUIElementMac.mm b/Tools/DumpRenderTree/mac/AccessibilityUIElementMac.mm
>index bd840cea28d82fb41cefbdedb04850801bd26be9..ba9b550d7be8fc11369c3f125a48184c52bb41e7 100644
>--- a/Tools/DumpRenderTree/mac/AccessibilityUIElementMac.mm
>+++ b/Tools/DumpRenderTree/mac/AccessibilityUIElementMac.mm
>@@ -1587,8 +1587,8 @@ void AccessibilityUIElement::removeSelection()
> AccessibilityTextMarkerRange AccessibilityUIElement::lineTextMarkerRangeForTextMarker(AccessibilityTextMarker* textMarker)
> {
>     BEGIN_AX_OBJC_EXCEPTIONS
>-    id textMarkerRange = [m_element accessibilityAttributeValue:@"AXLineTextMarkerRangeForTextMarker" forParameter:(id)textMarker->platformTextMarker()];
>-    return AccessibilityTextMarkerRange(textMarkerRange);
>+    id textMarkerRange = [m_element accessibilityAttributeValue:@"AXLineTextMarkerRangeForTextMarker" forParameter:(__bridge id)textMarker->platformTextMarker()];
>+    return AccessibilityTextMarkerRange((__bridge CFTypeRef)textMarkerRange);
>     END_AX_OBJC_EXCEPTIONS
>     
>     return nullptr;
>@@ -1598,7 +1598,7 @@ AccessibilityTextMarkerRange AccessibilityUIElement::textMarkerRangeForElement(A
> {
>     BEGIN_AX_OBJC_EXCEPTIONS
>     id textMarkerRange = [m_element accessibilityAttributeValue:@"AXTextMarkerRangeForUIElement" forParameter:element->platformUIElement()];
>-    return AccessibilityTextMarkerRange(textMarkerRange);
>+    return AccessibilityTextMarkerRange((__bridge CFTypeRef)textMarkerRange);
>     END_AX_OBJC_EXCEPTIONS
>     
>     return nullptr;
>@@ -1608,7 +1608,7 @@ AccessibilityTextMarkerRange AccessibilityUIElement::selectedTextMarkerRange()
> {
>     BEGIN_AX_OBJC_EXCEPTIONS
>     id textMarkerRange = [m_element accessibilityAttributeValue:NSAccessibilitySelectedTextMarkerRangeAttribute];
>-    return AccessibilityTextMarkerRange(textMarkerRange);
>+    return AccessibilityTextMarkerRange((__bridge CFTypeRef)textMarkerRange);
>     END_AX_OBJC_EXCEPTIONS
>     
>     return nullptr;
>@@ -1633,7 +1633,7 @@ void AccessibilityUIElement::resetSelectedTextMarkerRange()
> int AccessibilityUIElement::textMarkerRangeLength(AccessibilityTextMarkerRange* range)
> {
>     BEGIN_AX_OBJC_EXCEPTIONS
>-    NSNumber* lengthValue = [m_element accessibilityAttributeValue:@"AXLengthForTextMarkerRange" forParameter:(id)range->platformTextMarkerRange()];
>+    NSNumber* lengthValue = [m_element accessibilityAttributeValue:@"AXLengthForTextMarkerRange" forParameter:(__bridge id)range->platformTextMarkerRange()];
>     return [lengthValue intValue];
>     END_AX_OBJC_EXCEPTIONS
>     
>@@ -1643,7 +1643,7 @@ int AccessibilityUIElement::textMarkerRangeLength(AccessibilityTextMarkerRange*
> bool AccessibilityUIElement::attributedStringForTextMarkerRangeContainsAttribute(JSStringRef attribute, AccessibilityTextMarkerRange* range)
> {
>     BEGIN_AX_OBJC_EXCEPTIONS
>-    NSAttributedString* string = [m_element accessibilityAttributeValue:@"AXAttributedStringForTextMarkerRange" forParameter:(id)range->platformTextMarkerRange()];
>+    NSAttributedString* string = [m_element accessibilityAttributeValue:@"AXAttributedStringForTextMarkerRange" forParameter:(__bridge id)range->platformTextMarkerRange()];
>     if (![string isKindOfClass:[NSAttributedString class]])
>         return false;
>     
>@@ -1658,7 +1658,7 @@ bool AccessibilityUIElement::attributedStringForTextMarkerRangeContainsAttribute
> int AccessibilityUIElement::indexForTextMarker(AccessibilityTextMarker* marker)
> {
>     BEGIN_AX_OBJC_EXCEPTIONS
>-    NSNumber* indexNumber = [m_element accessibilityAttributeValue:@"AXIndexForTextMarker" forParameter:(id)marker->platformTextMarker()];
>+    NSNumber* indexNumber = [m_element accessibilityAttributeValue:@"AXIndexForTextMarker" forParameter:(__bridge id)marker->platformTextMarker()];
>     return [indexNumber intValue];
>     END_AX_OBJC_EXCEPTIONS
>     
>@@ -1669,7 +1669,7 @@ AccessibilityTextMarker AccessibilityUIElement::textMarkerForIndex(int textIndex
> {
>     BEGIN_AX_OBJC_EXCEPTIONS
>     id textMarker = [m_element accessibilityAttributeValue:@"AXTextMarkerForIndex" forParameter:[NSNumber numberWithInteger:textIndex]];
>-    return AccessibilityTextMarker(textMarker);
>+    return AccessibilityTextMarker((__bridge CFTypeRef)textMarker);
>     END_AX_OBJC_EXCEPTIONS
>     
>     return nullptr;
>@@ -1678,7 +1678,7 @@ AccessibilityTextMarker AccessibilityUIElement::textMarkerForIndex(int textIndex
> bool AccessibilityUIElement::isTextMarkerValid(AccessibilityTextMarker* textMarker)
> {
>     BEGIN_AX_OBJC_EXCEPTIONS
>-    NSNumber* validNumber = [m_element accessibilityAttributeValue:@"AXTextMarkerIsValid" forParameter:(id)textMarker->platformTextMarker()];
>+    NSNumber* validNumber = [m_element accessibilityAttributeValue:@"AXTextMarkerIsValid" forParameter:(__bridge id)textMarker->platformTextMarker()];
>     return [validNumber boolValue];
>     END_AX_OBJC_EXCEPTIONS
> 
>@@ -1688,8 +1688,8 @@ bool AccessibilityUIElement::isTextMarkerValid(AccessibilityTextMarker* textMark
> AccessibilityTextMarker AccessibilityUIElement::previousTextMarker(AccessibilityTextMarker* textMarker)
> {
>     BEGIN_AX_OBJC_EXCEPTIONS
>-    id previousMarker = [m_element accessibilityAttributeValue:@"AXPreviousTextMarkerForTextMarker" forParameter:(id)textMarker->platformTextMarker()];
>-    return AccessibilityTextMarker(previousMarker);
>+    id previousMarker = [m_element accessibilityAttributeValue:@"AXPreviousTextMarkerForTextMarker" forParameter:(__bridge id)textMarker->platformTextMarker()];
>+    return AccessibilityTextMarker((__bridge CFTypeRef)previousMarker);
>     END_AX_OBJC_EXCEPTIONS
>     
>     return nullptr;
>@@ -1698,8 +1698,8 @@ AccessibilityTextMarker AccessibilityUIElement::previousTextMarker(Accessibility
> AccessibilityTextMarker AccessibilityUIElement::nextTextMarker(AccessibilityTextMarker* textMarker)
> {
>     BEGIN_AX_OBJC_EXCEPTIONS
>-    id nextMarker = [m_element accessibilityAttributeValue:@"AXNextTextMarkerForTextMarker" forParameter:(id)textMarker->platformTextMarker()];
>-    return AccessibilityTextMarker(nextMarker);
>+    id nextMarker = [m_element accessibilityAttributeValue:@"AXNextTextMarkerForTextMarker" forParameter:(__bridge id)textMarker->platformTextMarker()];
>+    return AccessibilityTextMarker((__bridge CFTypeRef)nextMarker);
>     END_AX_OBJC_EXCEPTIONS
>     
>     return nullptr;
>@@ -1708,7 +1708,7 @@ AccessibilityTextMarker AccessibilityUIElement::nextTextMarker(AccessibilityText
> JSStringRef AccessibilityUIElement::stringForTextMarkerRange(AccessibilityTextMarkerRange* markerRange)
> {
>     BEGIN_AX_OBJC_EXCEPTIONS
>-    id textString = [m_element accessibilityAttributeValue:@"AXStringForTextMarkerRange" forParameter:(id)markerRange->platformTextMarkerRange()];
>+    id textString = [m_element accessibilityAttributeValue:@"AXStringForTextMarkerRange" forParameter:(__bridge id)markerRange->platformTextMarkerRange()];
>     return [textString createJSStringRef];
>     END_AX_OBJC_EXCEPTIONS
>     
>@@ -1727,9 +1727,9 @@ static JSStringRef createJSStringRef(id string)
>             misspelled = [[attrs objectForKey:NSAccessibilityMarkedMisspelledTextAttribute] boolValue];
>         if (misspelled)
>             [mutableString appendString:@"Misspelled, "];
>-        id font = [attributes objectForKey:(id)kAXFontTextAttribute];
>+        id font = [attributes objectForKey:(__bridge NSString *)kAXFontTextAttribute];
>         if (font)
>-            [mutableString appendFormat:@"%@ - %@, ", (id)kAXFontTextAttribute, font];
>+            [mutableString appendFormat:@"%@ - %@, ", (__bridge NSString *)kAXFontTextAttribute, font];
>     };
>     [string enumerateAttributesInRange:NSMakeRange(0, [string length]) options:(NSAttributedStringEnumerationOptions)0 usingBlock:attributeEnumerationBlock];
>     [mutableString appendString:[string string]];
>@@ -1738,7 +1738,7 @@ static JSStringRef createJSStringRef(id string)
> 
> JSStringRef AccessibilityUIElement::attributedStringForTextMarkerRange(AccessibilityTextMarkerRange* markerRange)
> {
>-    id string = [m_element accessibilityAttributeValue:@"AXAttributedStringForTextMarkerRange" forParameter:(id)markerRange->platformTextMarkerRange()];
>+    id string = [m_element accessibilityAttributeValue:@"AXAttributedStringForTextMarkerRange" forParameter:(__bridge id)markerRange->platformTextMarkerRange()];
>     return createJSStringRef(string);
> }
> 
>@@ -1746,9 +1746,9 @@ JSStringRef AccessibilityUIElement::attributedStringForTextMarkerRangeWithOption
> {
>     id parameter = nil;
>     if (includeSpellCheck)
>-        parameter = [NSDictionary dictionaryWithObjectsAndKeys:[NSNumber numberWithBool:includeSpellCheck], @"AXSpellCheck", (id)markerRange->platformTextMarkerRange(), @"AXTextMarkerRange", nil];
>+        parameter = [NSDictionary dictionaryWithObjectsAndKeys:[NSNumber numberWithBool:includeSpellCheck], @"AXSpellCheck", (__bridge id)markerRange->platformTextMarkerRange(), @"AXTextMarkerRange", nil];
>     else
>-        parameter = (id)markerRange->platformTextMarkerRange();
>+        parameter = (__bridge id)markerRange->platformTextMarkerRange();
>     id string = [m_element accessibilityAttributeValue:@"AXAttributedStringForTextMarkerRangeWithOptions" forParameter:parameter];
>     return createJSStringRef(string);
> }
>@@ -1756,9 +1756,9 @@ JSStringRef AccessibilityUIElement::attributedStringForTextMarkerRangeWithOption
> AccessibilityTextMarkerRange AccessibilityUIElement::textMarkerRangeForMarkers(AccessibilityTextMarker* startMarker, AccessibilityTextMarker* endMarker)
> {
>     BEGIN_AX_OBJC_EXCEPTIONS
>-    NSArray* textMarkers = [NSArray arrayWithObjects:(id)startMarker->platformTextMarker(), (id)endMarker->platformTextMarker(), nil];
>+    NSArray* textMarkers = [NSArray arrayWithObjects:(__bridge id)startMarker->platformTextMarker(), (__bridge id)endMarker->platformTextMarker(), nil];
>     id textMarkerRange = [m_element accessibilityAttributeValue:@"AXTextMarkerRangeForUnorderedTextMarkers" forParameter:textMarkers];
>-    return AccessibilityTextMarkerRange(textMarkerRange);
>+    return AccessibilityTextMarkerRange((__bridge CFTypeRef)textMarkerRange);
>     END_AX_OBJC_EXCEPTIONS
>     
>     return nullptr;
>@@ -1767,8 +1767,8 @@ AccessibilityTextMarkerRange AccessibilityUIElement::textMarkerRangeForMarkers(A
> AccessibilityTextMarker AccessibilityUIElement::startTextMarkerForTextMarkerRange(AccessibilityTextMarkerRange* range)
> {
>     BEGIN_AX_OBJC_EXCEPTIONS
>-    id textMarker = [m_element accessibilityAttributeValue:@"AXStartTextMarkerForTextMarkerRange" forParameter:(id)range->platformTextMarkerRange()];
>-    return AccessibilityTextMarker(textMarker);
>+    id textMarker = [m_element accessibilityAttributeValue:@"AXStartTextMarkerForTextMarkerRange" forParameter:(__bridge id)range->platformTextMarkerRange()];
>+    return AccessibilityTextMarker((__bridge CFTypeRef)textMarker);
>     END_AX_OBJC_EXCEPTIONS
>     
>     return nullptr;
>@@ -1777,8 +1777,8 @@ AccessibilityTextMarker AccessibilityUIElement::startTextMarkerForTextMarkerRang
> AccessibilityTextMarker AccessibilityUIElement::endTextMarkerForTextMarkerRange(AccessibilityTextMarkerRange* range)
> {
>     BEGIN_AX_OBJC_EXCEPTIONS
>-    id textMarker = [m_element accessibilityAttributeValue:@"AXEndTextMarkerForTextMarkerRange" forParameter:(id)range->platformTextMarkerRange()];
>-    return AccessibilityTextMarker(textMarker);
>+    id textMarker = [m_element accessibilityAttributeValue:@"AXEndTextMarkerForTextMarkerRange" forParameter:(__bridge id)range->platformTextMarkerRange()];
>+    return AccessibilityTextMarker((__bridge CFTypeRef)textMarker);
>     END_AX_OBJC_EXCEPTIONS
>     
>     return nullptr;
>@@ -1788,7 +1788,7 @@ AccessibilityTextMarker AccessibilityUIElement::endTextMarkerForBounds(int x, in
> {
>     BEGIN_AX_OBJC_EXCEPTIONS
>     id textMarker = [m_element accessibilityAttributeValue:NSAccessibilityEndTextMarkerForBoundsParameterizedAttribute forParameter:[NSValue valueWithRect:NSMakeRect(x, y, width, height)]];
>-    return AccessibilityTextMarker(textMarker);
>+    return AccessibilityTextMarker((__bridge CFTypeRef)textMarker);
>     END_AX_OBJC_EXCEPTIONS
>     
>     return nullptr;
>@@ -1798,7 +1798,7 @@ AccessibilityTextMarker AccessibilityUIElement::startTextMarkerForBounds(int x,
> {
>     BEGIN_AX_OBJC_EXCEPTIONS
>     id textMarker = [m_element accessibilityAttributeValue:NSAccessibilityStartTextMarkerForBoundsParameterizedAttribute forParameter:[NSValue valueWithRect:NSMakeRect(x, y, width, height)]];
>-    return AccessibilityTextMarker(textMarker);
>+    return AccessibilityTextMarker((__bridge CFTypeRef)textMarker);
>     END_AX_OBJC_EXCEPTIONS
>     
>     return nullptr;
>@@ -1808,7 +1808,7 @@ AccessibilityTextMarker AccessibilityUIElement::textMarkerForPoint(int x, int y)
> {
>     BEGIN_AX_OBJC_EXCEPTIONS
>     id textMarker = [m_element accessibilityAttributeValue:@"AXTextMarkerForPosition" forParameter:[NSValue valueWithPoint:NSMakePoint(x, y)]];
>-    return AccessibilityTextMarker(textMarker);
>+    return AccessibilityTextMarker((__bridge CFTypeRef)textMarker);
>     END_AX_OBJC_EXCEPTIONS
>     
>     return nullptr;
>@@ -1817,7 +1817,7 @@ AccessibilityTextMarker AccessibilityUIElement::textMarkerForPoint(int x, int y)
> AccessibilityUIElement AccessibilityUIElement::accessibilityElementForTextMarker(AccessibilityTextMarker* marker)
> {
>     BEGIN_AX_OBJC_EXCEPTIONS
>-    id uiElement = [m_element accessibilityAttributeValue:@"AXUIElementForTextMarker" forParameter:(id)marker->platformTextMarker()];
>+    id uiElement = [m_element accessibilityAttributeValue:@"AXUIElementForTextMarker" forParameter:(__bridge id)marker->platformTextMarker()];
>     return AccessibilityUIElement(uiElement);
>     END_AX_OBJC_EXCEPTIONS
>     
>@@ -1828,7 +1828,7 @@ AccessibilityTextMarker AccessibilityUIElement::startTextMarker()
> {
>     BEGIN_AX_OBJC_EXCEPTIONS
>     id textMarker = [m_element accessibilityAttributeValue:@"AXStartTextMarker"];
>-    return AccessibilityTextMarker(textMarker);
>+    return AccessibilityTextMarker((__bridge CFTypeRef)textMarker);
>     END_AX_OBJC_EXCEPTIONS
>     
>     return nullptr;
>@@ -1838,7 +1838,7 @@ AccessibilityTextMarker AccessibilityUIElement::endTextMarker()
> {
>     BEGIN_AX_OBJC_EXCEPTIONS
>     id textMarker = [m_element accessibilityAttributeValue:@"AXEndTextMarker"];
>-    return AccessibilityTextMarker(textMarker);
>+    return AccessibilityTextMarker((__bridge CFTypeRef)textMarker);
>     END_AX_OBJC_EXCEPTIONS
>     
>     return nullptr;
>@@ -1847,7 +1847,7 @@ AccessibilityTextMarker AccessibilityUIElement::endTextMarker()
> bool AccessibilityUIElement::setSelectedVisibleTextRange(AccessibilityTextMarkerRange* markerRange)
> {
>     BEGIN_AX_OBJC_EXCEPTIONS
>-    [m_element accessibilitySetValue:(id)markerRange->platformTextMarkerRange() forAttribute:NSAccessibilitySelectedTextMarkerRangeAttribute];
>+    [m_element accessibilitySetValue:(__bridge id)markerRange->platformTextMarkerRange() forAttribute:NSAccessibilitySelectedTextMarkerRangeAttribute];
>     END_AX_OBJC_EXCEPTIONS
>     
>     return true;
>@@ -1856,8 +1856,8 @@ bool AccessibilityUIElement::setSelectedVisibleTextRange(AccessibilityTextMarker
> AccessibilityTextMarkerRange AccessibilityUIElement::leftWordTextMarkerRangeForTextMarker(AccessibilityTextMarker* textMarker)
> {
>     BEGIN_AX_OBJC_EXCEPTIONS
>-    id textMarkerRange = [m_element accessibilityAttributeValue:@"AXLeftWordTextMarkerRangeForTextMarker" forParameter:(id)textMarker->platformTextMarker()];
>-    return AccessibilityTextMarkerRange(textMarkerRange);
>+    id textMarkerRange = [m_element accessibilityAttributeValue:@"AXLeftWordTextMarkerRangeForTextMarker" forParameter:(__bridge id)textMarker->platformTextMarker()];
>+    return AccessibilityTextMarkerRange((__bridge CFTypeRef)textMarkerRange);
>     END_AX_OBJC_EXCEPTIONS
>     
>     return nullptr;
>@@ -1866,8 +1866,8 @@ AccessibilityTextMarkerRange AccessibilityUIElement::leftWordTextMarkerRangeForT
> AccessibilityTextMarkerRange AccessibilityUIElement::rightWordTextMarkerRangeForTextMarker(AccessibilityTextMarker* textMarker)
> {
>     BEGIN_AX_OBJC_EXCEPTIONS
>-    id textMarkerRange = [m_element accessibilityAttributeValue:@"AXRightWordTextMarkerRangeForTextMarker" forParameter:(id)textMarker->platformTextMarker()];
>-    return AccessibilityTextMarkerRange(textMarkerRange);
>+    id textMarkerRange = [m_element accessibilityAttributeValue:@"AXRightWordTextMarkerRangeForTextMarker" forParameter:(__bridge id)textMarker->platformTextMarker()];
>+    return AccessibilityTextMarkerRange((__bridge CFTypeRef)textMarkerRange);
>     END_AX_OBJC_EXCEPTIONS
>     
>     return nullptr;
>@@ -1876,8 +1876,8 @@ AccessibilityTextMarkerRange AccessibilityUIElement::rightWordTextMarkerRangeFor
> AccessibilityTextMarker AccessibilityUIElement::previousWordStartTextMarkerForTextMarker(AccessibilityTextMarker* textMarker)
> {
>     BEGIN_AX_OBJC_EXCEPTIONS
>-    id previousTextMarker = [m_element accessibilityAttributeValue:@"AXPreviousWordStartTextMarkerForTextMarker" forParameter:(id)textMarker->platformTextMarker()];
>-    return AccessibilityTextMarker(previousTextMarker);
>+    id previousTextMarker = [m_element accessibilityAttributeValue:@"AXPreviousWordStartTextMarkerForTextMarker" forParameter:(__bridge id)textMarker->platformTextMarker()];
>+    return AccessibilityTextMarker((__bridge CFTypeRef)previousTextMarker);
>     END_AX_OBJC_EXCEPTIONS
>     
>     return nullptr;
>@@ -1886,8 +1886,8 @@ AccessibilityTextMarker AccessibilityUIElement::previousWordStartTextMarkerForTe
> AccessibilityTextMarker AccessibilityUIElement::nextWordEndTextMarkerForTextMarker(AccessibilityTextMarker* textMarker)
> {
>     BEGIN_AX_OBJC_EXCEPTIONS
>-    id nextTextMarker = [m_element accessibilityAttributeValue:@"AXNextWordEndTextMarkerForTextMarker" forParameter:(id)textMarker->platformTextMarker()];
>-    return AccessibilityTextMarker(nextTextMarker);
>+    id nextTextMarker = [m_element accessibilityAttributeValue:@"AXNextWordEndTextMarkerForTextMarker" forParameter:(__bridge id)textMarker->platformTextMarker()];
>+    return AccessibilityTextMarker((__bridge CFTypeRef)nextTextMarker);
>     END_AX_OBJC_EXCEPTIONS
>     
>     return nullptr;
>@@ -1896,8 +1896,8 @@ AccessibilityTextMarker AccessibilityUIElement::nextWordEndTextMarkerForTextMark
> AccessibilityTextMarkerRange AccessibilityUIElement::paragraphTextMarkerRangeForTextMarker(AccessibilityTextMarker* textMarker)
> {
>     BEGIN_AX_OBJC_EXCEPTIONS
>-    id textMarkerRange = [m_element accessibilityAttributeValue:@"AXParagraphTextMarkerRangeForTextMarker" forParameter:(id)textMarker->platformTextMarker()];
>-    return AccessibilityTextMarkerRange(textMarkerRange);
>+    id textMarkerRange = [m_element accessibilityAttributeValue:@"AXParagraphTextMarkerRangeForTextMarker" forParameter:(__bridge id)textMarker->platformTextMarker()];
>+    return AccessibilityTextMarkerRange((__bridge CFTypeRef)textMarkerRange);
>     END_AX_OBJC_EXCEPTIONS
>     
>     return nullptr;
>@@ -1906,8 +1906,8 @@ AccessibilityTextMarkerRange AccessibilityUIElement::paragraphTextMarkerRangeFor
> AccessibilityTextMarker AccessibilityUIElement::previousParagraphStartTextMarkerForTextMarker(AccessibilityTextMarker* textMarker)
> {
>     BEGIN_AX_OBJC_EXCEPTIONS
>-    id previousTextMarker = [m_element accessibilityAttributeValue:@"AXPreviousParagraphStartTextMarkerForTextMarker" forParameter:(id)textMarker->platformTextMarker()];
>-    return AccessibilityTextMarker(previousTextMarker);
>+    id previousTextMarker = [m_element accessibilityAttributeValue:@"AXPreviousParagraphStartTextMarkerForTextMarker" forParameter:(__bridge id)textMarker->platformTextMarker()];
>+    return AccessibilityTextMarker((__bridge CFTypeRef)previousTextMarker);
>     END_AX_OBJC_EXCEPTIONS
>     
>     return nullptr;
>@@ -1916,8 +1916,8 @@ AccessibilityTextMarker AccessibilityUIElement::previousParagraphStartTextMarker
> AccessibilityTextMarker AccessibilityUIElement::nextParagraphEndTextMarkerForTextMarker(AccessibilityTextMarker* textMarker)
> {
>     BEGIN_AX_OBJC_EXCEPTIONS
>-    id nextTextMarker = [m_element accessibilityAttributeValue:@"AXNextParagraphEndTextMarkerForTextMarker" forParameter:(id)textMarker->platformTextMarker()];
>-    return AccessibilityTextMarker(nextTextMarker);
>+    id nextTextMarker = [m_element accessibilityAttributeValue:@"AXNextParagraphEndTextMarkerForTextMarker" forParameter:(__bridge id)textMarker->platformTextMarker()];
>+    return AccessibilityTextMarker((__bridge CFTypeRef)nextTextMarker);
>     END_AX_OBJC_EXCEPTIONS
>     
>     return nullptr;
>@@ -1926,8 +1926,8 @@ AccessibilityTextMarker AccessibilityUIElement::nextParagraphEndTextMarkerForTex
> AccessibilityTextMarkerRange AccessibilityUIElement::sentenceTextMarkerRangeForTextMarker(AccessibilityTextMarker* textMarker)
> {
>     BEGIN_AX_OBJC_EXCEPTIONS
>-    id textMarkerRange = [m_element accessibilityAttributeValue:@"AXSentenceTextMarkerRangeForTextMarker" forParameter:(id)textMarker->platformTextMarker()];
>-    return AccessibilityTextMarkerRange(textMarkerRange);
>+    id textMarkerRange = [m_element accessibilityAttributeValue:@"AXSentenceTextMarkerRangeForTextMarker" forParameter:(__bridge id)textMarker->platformTextMarker()];
>+    return AccessibilityTextMarkerRange((__bridge CFTypeRef)textMarkerRange);
>     END_AX_OBJC_EXCEPTIONS
>     
>     return nullptr;
>@@ -1936,8 +1936,8 @@ AccessibilityTextMarkerRange AccessibilityUIElement::sentenceTextMarkerRangeForT
> AccessibilityTextMarker AccessibilityUIElement::previousSentenceStartTextMarkerForTextMarker(AccessibilityTextMarker* textMarker)
> {
>     BEGIN_AX_OBJC_EXCEPTIONS
>-    id previousTextMarker = [m_element accessibilityAttributeValue:@"AXPreviousSentenceStartTextMarkerForTextMarker" forParameter:(id)textMarker->platformTextMarker()];
>-    return AccessibilityTextMarker(previousTextMarker);
>+    id previousTextMarker = [m_element accessibilityAttributeValue:@"AXPreviousSentenceStartTextMarkerForTextMarker" forParameter:(__bridge id)textMarker->platformTextMarker()];
>+    return AccessibilityTextMarker((__bridge CFTypeRef)previousTextMarker);
>     END_AX_OBJC_EXCEPTIONS
>     
>     return nullptr;
>@@ -1946,8 +1946,8 @@ AccessibilityTextMarker AccessibilityUIElement::previousSentenceStartTextMarkerF
> AccessibilityTextMarker AccessibilityUIElement::nextSentenceEndTextMarkerForTextMarker(AccessibilityTextMarker* textMarker)
> {
>     BEGIN_AX_OBJC_EXCEPTIONS
>-    id nextTextMarker = [m_element accessibilityAttributeValue:@"AXNextSentenceEndTextMarkerForTextMarker" forParameter:(id)textMarker->platformTextMarker()];
>-    return AccessibilityTextMarker(nextTextMarker);
>+    id nextTextMarker = [m_element accessibilityAttributeValue:@"AXNextSentenceEndTextMarkerForTextMarker" forParameter:(__bridge id)textMarker->platformTextMarker()];
>+    return AccessibilityTextMarker((__bridge CFTypeRef)nextTextMarker);
>     END_AX_OBJC_EXCEPTIONS
>     
>     return nullptr;
>diff --git a/Tools/DumpRenderTree/mac/DumpRenderTree.mm b/Tools/DumpRenderTree/mac/DumpRenderTree.mm
>index 3d0a8a09ac65592ce943a32ed7dcbeea6b91dff2..d9b84fc2009f2c976bae3dace8118e97241e2e60 100644
>--- a/Tools/DumpRenderTree/mac/DumpRenderTree.mm
>+++ b/Tools/DumpRenderTree/mac/DumpRenderTree.mm
>@@ -923,7 +923,7 @@ static void resetWebPreferencesToConsistentValues()
>     [preferences setMetaRefreshEnabled:YES];
> 
>     if (persistentUserStyleSheetLocation) {
>-        [preferences setUserStyleSheetLocation:[NSURL URLWithString:(NSString *)(persistentUserStyleSheetLocation.get())]];
>+        [preferences setUserStyleSheetLocation:[NSURL URLWithString:(__bridge NSString *)persistentUserStyleSheetLocation.get()]];
>         [preferences setUserStyleSheetEnabled:YES];
>     } else
>         [preferences setUserStyleSheetEnabled:NO];
>@@ -1479,7 +1479,7 @@ static NSString *dumpFramesAsText(WebFrame *frame)
>     // conversion methods cannot. After the conversion to a buffer, we turn that buffer into
>     // a CFString via fromUTF8WithLatin1Fallback().createCFString() which can be appended to
>     // the result without any conversion.
>-    WKRetainPtr<WKStringRef> stringRef(AdoptWK, WKStringCreateWithCFString((CFStringRef)innerText));
>+    WKRetainPtr<WKStringRef> stringRef(AdoptWK, WKStringCreateWithCFString((__bridge CFStringRef)innerText));
>     size_t bufferSize = WKStringGetMaximumUTF8CStringSize(stringRef.get());
>     auto buffer = std::make_unique<char[]>(bufferSize);
>     size_t stringLength = WKStringGetUTF8CStringNonStrict(stringRef.get(), buffer.get(), bufferSize);
>@@ -1612,10 +1612,7 @@ static const char *methodNameStringForFailedTest()
> 
> static void dumpBackForwardListForAllWindows()
> {
>-    CFArrayRef openWindows = (CFArrayRef)[DumpRenderTreeWindow openWindows];
>-    unsigned count = CFArrayGetCount(openWindows);
>-    for (unsigned i = 0; i < count; i++) {
>-        NSWindow *window = (NSWindow *)CFArrayGetValueAtIndex(openWindows, i);
>+    for (NSWindow *window in [DumpRenderTreeWindow openWindows]) {
> #if !PLATFORM(IOS)
>         WebView *webView = [[[window contentView] subviews] objectAtIndex:0];
> #else
>@@ -1693,11 +1690,11 @@ void dump()
>             resultMimeType = @"application/pdf";
>         } else if (gTestRunner->dumpDOMAsWebArchive()) {
>             WebArchive *webArchive = [[mainFrame DOMDocument] webArchive];
>-            resultString = CFBridgingRelease(WebCoreTestSupport::createXMLStringFromWebArchiveData((CFDataRef)[webArchive data]));
>+            resultString = CFBridgingRelease(WebCoreTestSupport::createXMLStringFromWebArchiveData((__bridge CFDataRef)[webArchive data]));
>             resultMimeType = @"application/x-webarchive";
>         } else if (gTestRunner->dumpSourceAsWebArchive()) {
>             WebArchive *webArchive = [[mainFrame dataSource] webArchive];
>-            resultString = CFBridgingRelease(WebCoreTestSupport::createXMLStringFromWebArchiveData((CFDataRef)[webArchive data]));
>+            resultString = CFBridgingRelease(WebCoreTestSupport::createXMLStringFromWebArchiveData((__bridge CFDataRef)[webArchive data]));
>             resultMimeType = @"application/x-webarchive";
>         } else
>             resultString = [mainFrame renderTreeAsExternalRepresentationForPrinting:gTestRunner->isPrinting()];
>@@ -1943,7 +1940,7 @@ static void runTest(const string& inputLine)
>         testPath = [url absoluteString];
> 
>     NSString *informationString = [@"CRASHING TEST: " stringByAppendingString:testPath];
>-    WebKit::setCrashReportApplicationSpecificInformation((CFStringRef)informationString);
>+    WebKit::setCrashReportApplicationSpecificInformation((__bridge CFStringRef)informationString);
> 
>     TestOptions options { [url isFileURL] ? [url fileSystemRepresentation] : pathOrURL, command.absolutePath };
> 
>@@ -2085,7 +2082,7 @@ static void runTest(const string& inputLine)
> 
>     // We should only have our main window left open when we're done
>     ASSERT(CFArrayGetCount(openWindowsRef) == 1);
>-    ASSERT(CFArrayGetValueAtIndex(openWindowsRef, 0) == [[mainFrame webView] window]);
>+    ASSERT(CFArrayGetValueAtIndex(openWindowsRef, 0) == (__bridge CFTypeRef)[[mainFrame webView] window]);
> 
>     gTestRunner->cleanup();
>     gTestRunner = nullptr;
>diff --git a/Tools/DumpRenderTree/mac/DumpRenderTreePasteboard.mm b/Tools/DumpRenderTree/mac/DumpRenderTreePasteboard.mm
>index cb897ae700888166f901c7ff824b9ed72d31a577..cdd31b3bbb35bb86250fefc0cabf1c55c341bcae 100644
>--- a/Tools/DumpRenderTree/mac/DumpRenderTreePasteboard.mm
>+++ b/Tools/DumpRenderTree/mac/DumpRenderTreePasteboard.mm
>@@ -31,11 +31,11 @@
> #import "config.h"
> #import "DumpRenderTreePasteboard.h"
> 
>-#import "DumpRenderTreeMac.h"
>-
>-#if !PLATFORM(IOS)
>+#if PLATFORM(MAC)
> 
>+#import "DumpRenderTreeMac.h"
> #import <WebKit/WebTypesInternal.h>
>+#import <objc/runtime.h>
> #import <wtf/Assertions.h>
> #import <wtf/HashMap.h>
> #import <wtf/ListHashSet.h>
>@@ -46,8 +46,8 @@ @interface LocalPasteboard : NSPasteboard {
>     RetainPtr<NSString> _pasteboardName;
>     NSInteger _changeCount;
> 
>-    ListHashSet<RetainPtr<NSString>, WTF::RetainPtrObjectHash<NSString>> _types;
>-    HashMap<RetainPtr<NSString>, RetainPtr<NSData>, WTF::RetainPtrObjectHash<NSString>, WTF::RetainPtrObjectHashTraits<NSString>> _data;
>+    ListHashSet<RetainPtr<CFStringRef>, WTF::RetainPtrObjectHash<CFStringRef>> _types;
>+    HashMap<RetainPtr<CFStringRef>, RetainPtr<CFDataRef>, WTF::RetainPtrObjectHash<CFStringRef>, WTF::RetainPtrObjectHashTraits<CFStringRef>> _data;
> }
> 
> -(id)initWithName:(NSString *)name;
>@@ -93,7 +93,8 @@ @implementation LocalPasteboard
> 
> + (id)alloc
> {
>-    return NSAllocateObject(self, 0, 0);
>+    // Need to skip NSPasteboard's alloc, which does not allocate an object.
>+    return class_createInstance(self, 0);
> }
> 
> - (id)initWithName:(NSString *)name
>@@ -129,14 +130,14 @@ static bool isUTI(NSString *type)
>     return UTTypeIsDynamic((__bridge CFStringRef)type) || UTTypeIsDeclared((__bridge CFStringRef)type);
> }
> 
>-static RetainPtr<NSString> toUTI(NSString *type)
>+static RetainPtr<CFStringRef> toUTI(NSString *type)
> {
>     if (isUTI(type)) {
>-        // This is already an UTI.
>-        return adoptNS([type copy]);
>+        // This is already a UTI.
>+        return adoptCF(CFStringCreateCopy(nullptr, (__bridge CFStringRef)type));
>     }
> 
>-    return adoptNS((__bridge NSString *)UTTypeCreatePreferredIdentifierForTag(kUTTagClassNSPboardType, (__bridge CFStringRef)type, nullptr));
>+    return adoptCF(UTTypeCreatePreferredIdentifierForTag(kUTTagClassNSPboardType, (__bridge CFStringRef)type, nullptr));
> }
> 
> - (NSInteger)addTypes:(NSArray *)newTypes owner:(id)newOwner
>@@ -162,10 +163,10 @@ - (NSArray *)types
>     auto types = adoptNS([[NSMutableArray alloc] init]);
> 
>     for (const auto& type : _types) {
>-        [types addObject:type.get()];
>+        [types addObject:(__bridge NSString *)type.get()];
> 
>         // Include the pasteboard type as well.
>-        if (auto pasteboardType = adoptNS((__bridge NSString *)UTTypeCopyPreferredTagWithClass((CFStringRef)type.get(), kUTTagClassNSPboardType)))
>+        if (auto pasteboardType = adoptNS((__bridge NSString *)UTTypeCopyPreferredTagWithClass(type.get(), kUTTagClassNSPboardType)))
>             [types addObject:pasteboardType.get()];
>     }
> 
>@@ -175,7 +176,7 @@ - (NSArray *)types
> - (NSString *)availableTypeFromArray:(NSArray *)types
> {
>     for (NSString *type in types) {
>-        if (_types.contains(type))
>+        if (_types.contains((__bridge CFStringRef)type))
>             return type;
>     }
> 
>@@ -189,45 +190,32 @@ - (BOOL)setData:(NSData *)data forType:(NSString *)dataType
>     if (!_types.contains(uti))
>         return NO;
> 
>-    _data.set(WTFMove(uti), data ? data : [NSData data]);
>+    _data.set(WTFMove(uti), (__bridge CFDataRef)(data ?: [NSData data]));
>     return YES;
> }
> 
> - (NSData *)dataForType:(NSString *)dataType
> {
>-    if (NSData *data = _data.get(toUTI(dataType)).get())
>+    if (NSData *data = (__bridge NSData *)_data.get(toUTI(dataType).get()).get())
>         return data;
> 
>     if (_owner && [_owner respondsToSelector:@selector(pasteboard:provideDataForType:)])
>         [_owner pasteboard:self provideDataForType:dataType];
> 
>-    return _data.get(toUTI(dataType)).get();
>+    return (__bridge NSData *)_data.get(toUTI(dataType).get()).get();
> }
> 
> - (BOOL)setPropertyList:(id)propertyList forType:(NSString *)dataType
> {
>-    CFDataRef data = NULL;
>+    NSData *data = nil;
>     if (propertyList)
>-        data = CFPropertyListCreateXMLData(NULL, propertyList);
>-    BOOL result = [self setData:(NSData *)data forType:dataType];
>-    if (data)
>-        CFRelease(data);
>-    return result;
>+        data = [NSPropertyListSerialization dataWithPropertyList:propertyList format:NSPropertyListXMLFormat_v1_0 options:0 error:nullptr];
>+    return [self setData:data forType:dataType];
> }
> 
> - (BOOL)setString:(NSString *)string forType:(NSString *)dataType
> {
>-    CFDataRef data = NULL;
>-    if (string) {
>-        if (!string.length)
>-            data = CFDataCreate(NULL, NULL, 0);
>-        else
>-            data = CFStringCreateExternalRepresentation(NULL, (CFStringRef)string, kCFStringEncodingUTF8, 0);
>-    }
>-    BOOL result = [self setData:(NSData *)data forType:dataType];
>-    if (data)
>-        CFRelease(data);
>-    return result;
>+    return [self setData:[string dataUsingEncoding:NSUTF8StringEncoding] forType:dataType];
> }
> 
> - (BOOL)writeObjects:(NSArray<id <NSPasteboardWriting>> *)objects
>@@ -251,4 +239,4 @@ - (BOOL)writeObjects:(NSArray<id <NSPasteboardWriting>> *)objects
> 
> @end
> 
>-#endif // !PLATFORM(IOS)
>+#endif // PLATFORM(MAC)
>diff --git a/Tools/DumpRenderTree/mac/MockGeolocationProvider.h b/Tools/DumpRenderTree/mac/MockGeolocationProvider.h
>index 7265dcdd5ed27f251779e984a7cb0081da734ac2..ec959b710bdd41faac0ee183030eb9720d03fb42 100644
>--- a/Tools/DumpRenderTree/mac/MockGeolocationProvider.h
>+++ b/Tools/DumpRenderTree/mac/MockGeolocationProvider.h
>@@ -23,9 +23,6 @@
>  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 
>  */
> 
>-#ifndef MockGeolocationProvider_h
>-#define MockGeolocationProvider_h
>-
> #import <WebKit/WebViewPrivate.h>
> #import <wtf/HashSet.h>
> #import <wtf/RetainPtr.h>
>@@ -35,7 +32,7 @@ @interface MockGeolocationProvider : NSObject<WebGeolocationProvider> {
>     BOOL _hasError;
>     RetainPtr<NSString> _errorMessage;
>     NSTimer *_timer;
>-    HashSet<WebView *> _registeredViews;
>+    HashSet<CFTypeRef> _registeredViews;
> }
> 
> + (MockGeolocationProvider *)shared;
>@@ -47,4 +44,3 @@ @interface MockGeolocationProvider : NSObject<WebGeolocationProvider> {
> - (BOOL)isActive;
> 
> @end
>-#endif
>diff --git a/Tools/DumpRenderTree/mac/MockGeolocationProvider.mm b/Tools/DumpRenderTree/mac/MockGeolocationProvider.mm
>index 17e6c46ba39f895c0acfa91e5fe632440cc22e95..6b3d405a857b5efa8ec9283f1edea1177ba51953 100644
>--- a/Tools/DumpRenderTree/mac/MockGeolocationProvider.mm
>+++ b/Tools/DumpRenderTree/mac/MockGeolocationProvider.mm
>@@ -76,7 +76,7 @@ - (void)setPositionUnavailableErrorWithMessage:(NSString *)errorMessage
> 
> - (void)registerWebView:(WebView *)webView
> {
>-    _registeredViews.add(webView);
>+    _registeredViews.add((__bridge CFTypeRef)webView);
> 
>     if (!_timer)
>         _timer = [NSTimer scheduledTimerWithTimeInterval:0 target:self selector:@selector(timerFired) userInfo:0 repeats:NO];
>@@ -84,7 +84,7 @@ - (void)registerWebView:(WebView *)webView
> 
> - (void)unregisterWebView:(WebView *)webView
> {
>-    _registeredViews.remove(webView);
>+    _registeredViews.remove((__bridge CFTypeRef)webView);
> }
> 
> - (WebGeolocationPosition *)lastPosition
>@@ -125,15 +125,15 @@ - (void)timerFired
>     _timer = 0;
> 
>     // Expect that views won't be (un)registered while iterating.
>-    HashSet<WebView*> views = _registeredViews;
>-    for (HashSet<WebView*>::iterator iter = views.begin(); iter != views.end(); ++iter) {
>+    auto copyOfRegisteredViews { _registeredViews };
>+    for (auto typelessView : copyOfRegisteredViews) {
>+        auto webView = (__bridge WebView*)typelessView;
> #if !PLATFORM(IOS)
>         if (_hasError)
>-            [*iter _geolocationDidFailWithMessage:_errorMessage.get()];
>+            [webView _geolocationDidFailWithMessage:_errorMessage.get()];
>         else
>-            [*iter _geolocationDidChangePosition:_lastPosition.get()];
>+            [webView _geolocationDidChangePosition:_lastPosition.get()];
> #else
>-        WebView* webView = *iter;
>         WebGeolocationPosition *lastPosition = _lastPosition.get();
>         NSString *errorMessage = _errorMessage.get();
>         if (_hasError) {
>diff --git a/Tools/DumpRenderTree/mac/MockWebNotificationProvider.h b/Tools/DumpRenderTree/mac/MockWebNotificationProvider.h
>index c4deb837b05f1f733658cf283233cf52c258c5d9..e46b32b6623f36058e069d136ca183cdeee30e67 100644
>--- a/Tools/DumpRenderTree/mac/MockWebNotificationProvider.h
>+++ b/Tools/DumpRenderTree/mac/MockWebNotificationProvider.h
>@@ -26,20 +26,17 @@
>  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
>  */
> 
>-#ifndef MockWebNotificationProvider_h
>-#define MockWebNotificationProvider_h
>-
> #import <WebKit/WebNotification.h>
> #import <WebKit/WebViewPrivate.h>
> #import <wtf/HashMap.h>
> #import <wtf/HashSet.h>
> #import <wtf/RetainPtr.h>
> 
>-typedef HashMap<uint64_t, RetainPtr<WebNotification> > NotificationIDMap;
>-typedef HashMap<uint64_t, WebView *> NotificationViewMap;
>+using NotificationIDMap = HashMap<uint64_t, RetainPtr<WebNotification>>;
>+using NotificationViewMap = HashMap<uint64_t, CFTypeRef>;
> 
> @interface MockWebNotificationProvider : NSObject <WebNotificationProvider> {
>-    HashSet<WebView *> _registeredWebViews;
>+    HashSet<CFTypeRef> _registeredWebViews;
>     NotificationIDMap _notifications;
>     NotificationViewMap _notificationViewMap;
>     RetainPtr<NSMutableDictionary> _permissions;
>@@ -54,5 +51,3 @@ @interface MockWebNotificationProvider : NSObject <WebNotificationProvider> {
> 
> - (void)reset;
> @end
>-
>-#endif // MockWebNotificationProvider_h
>diff --git a/Tools/DumpRenderTree/mac/MockWebNotificationProvider.mm b/Tools/DumpRenderTree/mac/MockWebNotificationProvider.mm
>index 948d4bbf6842b2b446c1f64b78184f52f8192267..1ad453b8d5a79fa06470b7ddbb16374c720ad6b7 100644
>--- a/Tools/DumpRenderTree/mac/MockWebNotificationProvider.mm
>+++ b/Tools/DumpRenderTree/mac/MockWebNotificationProvider.mm
>@@ -49,23 +49,23 @@ - (id)init
> 
> - (void)registerWebView:(WebView *)webView
> {
>-    ASSERT(!_registeredWebViews.contains(webView));
>-    _registeredWebViews.add(webView);
>+    ASSERT(!_registeredWebViews.contains((__bridge CFTypeRef)webView));
>+    _registeredWebViews.add((__bridge CFTypeRef)webView);
> }
> 
> - (void)unregisterWebView:(WebView *)webView
> {
>-    ASSERT(_registeredWebViews.contains(webView));
>-    _registeredWebViews.remove(webView);
>+    ASSERT(_registeredWebViews.contains((__bridge CFTypeRef)webView));
>+    _registeredWebViews.remove((__bridge CFTypeRef)webView);
> }
> 
> - (void)showNotification:(WebNotification *)notification fromWebView:(WebView *)webView
> {
>-    ASSERT(_registeredWebViews.contains(webView));
>+    ASSERT(_registeredWebViews.contains((__bridge CFTypeRef)webView));
> 
>     uint64_t notificationID = [notification notificationID];
>     _notifications.add(notificationID, notification);
>-    _notificationViewMap.add(notificationID, webView);
>+    _notificationViewMap.add(notificationID, (__bridge CFTypeRef)webView);
> 
>     [webView _notificationDidShow:notificationID];
> }
>@@ -75,7 +75,7 @@ - (void)cancelNotification:(WebNotification *)notification
>     uint64_t notificationID = [notification notificationID];
>     ASSERT(_notifications.contains(notificationID));
> 
>-    [_notificationViewMap.get(notificationID) _notificationsDidClose:[NSArray arrayWithObject:[NSNumber numberWithUnsignedLongLong:notificationID]]];
>+    [(__bridge WebView *)_notificationViewMap.get(notificationID) _notificationsDidClose:[NSArray arrayWithObject:[NSNumber numberWithUnsignedLongLong:notificationID]]];
> }
> 
> - (void)notificationDestroyed:(WebNotification *)notification
>@@ -118,7 +118,7 @@ - (void)webView:(WebView *)webView didCloseNotifications:(NSArray *)notification
> - (void)simulateWebNotificationClick:(uint64_t)notificationID
> {
>     ASSERT(_notifications.contains(notificationID));
>-    [_notificationViewMap.get(notificationID) _notificationDidClick:notificationID];
>+    [(__bridge WebView *)_notificationViewMap.get(notificationID) _notificationDidClick:notificationID];
> }
> 
> - (WebNotificationPermission)policyForOrigin:(WebSecurityOrigin *)origin
>diff --git a/Tools/DumpRenderTree/mac/ObjCPlugin.m b/Tools/DumpRenderTree/mac/ObjCPlugin.m
>index 58da3474d4c6a20dcfb349b5aa6b7a61142c0376..f934b99496f28087e1ca414776ef416a863be3ec 100644
>--- a/Tools/DumpRenderTree/mac/ObjCPlugin.m
>+++ b/Tools/DumpRenderTree/mac/ObjCPlugin.m
>@@ -116,7 +116,8 @@ - (void)log:(NSString *)message
> 
> - (id)retainObject:(id)obj
> {
>-    return [obj retain];
>+    CFRetain((__bridge CFTypeRef)obj);
>+    return obj;
> }
> 
> - (id)classOfObject:(id)obj
>diff --git a/Tools/DumpRenderTree/mac/TestRunnerMac.mm b/Tools/DumpRenderTree/mac/TestRunnerMac.mm
>index 1f8a54a7c5a5f76b3f0bff8df8e6170227e748db..0f90274a4a04758fd43b33f17cbc833d1c76914f 100644
>--- a/Tools/DumpRenderTree/mac/TestRunnerMac.mm
>+++ b/Tools/DumpRenderTree/mac/TestRunnerMac.mm
>@@ -145,10 +145,10 @@ void TestRunner::addDisallowedURL(JSStringRef url)
>         disallowedURLs = CFSetCreateMutable(kCFAllocatorDefault, 0, NULL);
> 
>     // Canonicalize the URL
>-    NSURLRequest *request = [NSURLRequest requestWithURL:[NSURL URLWithString:(NSString *)urlCF.get()]];
>+    NSURLRequest *request = [NSURLRequest requestWithURL:[NSURL URLWithString:(__bridge NSString *)urlCF.get()]];
>     request = [NSURLProtocol canonicalRequestForRequest:request];
> 
>-    CFSetAddValue(disallowedURLs, [request URL]);
>+    CFSetAddValue(disallowedURLs, (__bridge CFURLRef)[request URL]);
> }
> 
> bool TestRunner::callShouldCloseOnWebView()
>@@ -164,7 +164,7 @@ void TestRunner::clearAllApplicationCaches()
> long long TestRunner::applicationCacheDiskUsageForOrigin(JSStringRef url)
> {
>     RetainPtr<CFStringRef> urlCF = adoptCF(JSStringCopyCFString(kCFAllocatorDefault, url));
>-    WebSecurityOrigin *origin = [[WebSecurityOrigin alloc] initWithURL:[NSURL URLWithString:(NSString *)urlCF.get()]];
>+    WebSecurityOrigin *origin = [[WebSecurityOrigin alloc] initWithURL:[NSURL URLWithString:(__bridge NSString *)urlCF.get()]];
>     long long usage = [WebApplicationCache diskUsageForOrigin:origin];
>     [origin release];
>     return usage;
>@@ -174,7 +174,7 @@ void TestRunner::clearApplicationCacheForOrigin(JSStringRef url)
> {
>     RetainPtr<CFStringRef> urlCF = adoptCF(JSStringCopyCFString(kCFAllocatorDefault, url));
> 
>-    WebSecurityOrigin *origin = [[WebSecurityOrigin alloc] initWithURL:[NSURL URLWithString:(NSString *)urlCF.get()]];
>+    WebSecurityOrigin *origin = [[WebSecurityOrigin alloc] initWithURL:[NSURL URLWithString:(__bridge NSString *)urlCF.get()]];
>     [WebApplicationCache deleteCacheForOrigin:origin];
>     [origin release];
> }
>@@ -187,7 +187,7 @@ JSValueRef originsArrayToJS(JSContextRef context, NSArray *origins)
>     JSObjectRef arrayObj = JSValueToObject(context, arrayResult, 0);
>     for (NSUInteger i = 0; i < count; i++) {
>         NSString *origin = [[origins objectAtIndex:i] databaseIdentifier];
>-        JSRetainPtr<JSStringRef> originJS(Adopt, JSStringCreateWithCFString((CFStringRef)origin));
>+        JSRetainPtr<JSStringRef> originJS(Adopt, JSStringCreateWithCFString((__bridge CFStringRef)origin));
>         JSObjectSetPropertyAtIndex(context, arrayObj, i, JSValueMakeString(context, originJS.get()), 0);
>     }
> 
>@@ -252,15 +252,15 @@ void TestRunner::clearBackForwardList()
> JSStringRef TestRunner::copyDecodedHostName(JSStringRef name)
> {
>     RetainPtr<CFStringRef> nameCF = adoptCF(JSStringCopyCFString(kCFAllocatorDefault, name));
>-    NSString *nameNS = (NSString *)nameCF.get();
>-    return JSStringCreateWithCFString((CFStringRef)[nameNS _web_decodeHostName]);
>+    NSString *nameNS = (__bridge NSString *)nameCF.get();
>+    return JSStringCreateWithCFString((__bridge CFStringRef)[nameNS _web_decodeHostName]);
> }
> 
> JSStringRef TestRunner::copyEncodedHostName(JSStringRef name)
> {
>     RetainPtr<CFStringRef> nameCF = adoptCF(JSStringCopyCFString(kCFAllocatorDefault, name));
>-    NSString *nameNS = (NSString *)nameCF.get();
>-    return JSStringCreateWithCFString((CFStringRef)[nameNS _web_encodeHostName]);
>+    NSString *nameNS = (__bridge NSString *)nameCF.get();
>+    return JSStringCreateWithCFString((__bridge CFStringRef)[nameNS _web_encodeHostName]);
> }
> 
> void TestRunner::display()
>@@ -378,7 +378,7 @@ JSStringRef TestRunner::pathToLocalResource(JSContextRef context, JSStringRef lo
> void TestRunner::queueLoad(JSStringRef url, JSStringRef target)
> {
>     RetainPtr<CFStringRef> urlCF = adoptCF(JSStringCopyCFString(kCFAllocatorDefault, url));
>-    NSString *urlNS = (NSString *)urlCF.get();
>+    NSString *urlNS = (__bridge NSString *)urlCF.get();
> 
>     NSURL *nsurl = [NSURL URLWithString:urlNS relativeToURL:[[[mainFrame dataSource] response] URL]];
>     NSString *nsurlString = [nsurl absoluteString];
>@@ -443,7 +443,7 @@ void TestRunner::setDefersLoading(bool defers)
> void TestRunner::setDomainRelaxationForbiddenForURLScheme(bool forbidden, JSStringRef scheme)
> {
>     RetainPtr<CFStringRef> schemeCFString = adoptCF(JSStringCopyCFString(kCFAllocatorDefault, scheme));
>-    [WebView _setDomainRelaxationForbidden:forbidden forURLScheme:(NSString *)schemeCFString.get()];
>+    [WebView _setDomainRelaxationForbidden:forbidden forURLScheme:(__bridge NSString *)schemeCFString.get()];
> }
> 
> void TestRunner::setMockDeviceOrientation(bool canProvideAlpha, double alpha, bool canProvideBeta, double beta, bool canProvideGamma, double gamma)
>@@ -483,7 +483,7 @@ void TestRunner::setMockGeolocationPosition(double latitude, double longitude, d
> void TestRunner::setMockGeolocationPositionUnavailableError(JSStringRef message)
> {
>     RetainPtr<CFStringRef> messageCF = adoptCF(JSStringCopyCFString(kCFAllocatorDefault, message));
>-    NSString *messageNS = (NSString *)messageCF.get();
>+    NSString *messageNS = (__bridge NSString *)messageCF.get();
>     [[MockGeolocationProvider shared] setPositionUnavailableErrorWithMessage:messageNS];
> }
> 
>@@ -592,7 +592,7 @@ void TestRunner::setUserStyleSheetEnabled(bool flag)
> void TestRunner::setUserStyleSheetLocation(JSStringRef path)
> {
>     RetainPtr<CFStringRef> pathCF = adoptCF(JSStringCopyCFString(kCFAllocatorDefault, path));
>-    NSURL *url = [NSURL URLWithString:(NSString *)pathCF.get()];
>+    NSURL *url = [NSURL URLWithString:(__bridge NSString *)pathCF.get()];
>     [[WebPreferences standardPreferences] setUserStyleSheetLocation:url];
> }
> 
>@@ -603,7 +603,7 @@ void TestRunner::setValueForUser(JSContextRef context, JSValueRef nodeObject, JS
>         return;
> 
>     RetainPtr<CFStringRef> valueCF = adoptCF(JSStringCopyCFString(kCFAllocatorDefault, value));
>-    [(DOMHTMLInputElement *)element setValueForUser:(NSString *)valueCF.get()];
>+    [(DOMHTMLInputElement *)element setValueForUser:(__bridge NSString *)valueCF.get()];
> }
> 
> void TestRunner::dispatchPendingLoadRequests()
>@@ -614,10 +614,10 @@ void TestRunner::dispatchPendingLoadRequests()
> void TestRunner::overridePreference(JSStringRef key, JSStringRef value)
> {
>     RetainPtr<CFStringRef> keyCF = adoptCF(JSStringCopyCFString(kCFAllocatorDefault, key));
>-    NSString *keyNS = (NSString *)keyCF.get();
>+    NSString *keyNS = (__bridge NSString *)keyCF.get();
> 
>     RetainPtr<CFStringRef> valueCF = adoptCF(JSStringCopyCFString(kCFAllocatorDefault, value));
>-    NSString *valueNS = (NSString *)valueCF.get();
>+    NSString *valueNS = (__bridge NSString *)valueCF.get();
> 
>     [[WebPreferences standardPreferences] _setPreferenceForTestWithValue:valueNS forKey:keyNS];
> }
>@@ -669,10 +669,10 @@ int TestRunner::windowCount()
> void TestRunner::execCommand(JSStringRef name, JSStringRef value)
> {
>     RetainPtr<CFStringRef> nameCF = adoptCF(JSStringCopyCFString(kCFAllocatorDefault, name));
>-    NSString *nameNS = (NSString *)nameCF.get();
>+    NSString *nameNS = (__bridge NSString *)nameCF.get();
> 
>     RetainPtr<CFStringRef> valueCF = adoptCF(JSStringCopyCFString(kCFAllocatorDefault, value));
>-    NSString *valueNS = (NSString *)valueCF.get();
>+    NSString *valueNS = (__bridge NSString *)valueCF.get();
> 
>     [[mainFrame webView] _executeCoreCommandByName:nameNS value:valueNS];
> }
>@@ -710,7 +710,7 @@ bool TestRunner::findString(JSContextRef context, JSStringRef target, JSObjectRe
>             options |= WebFindOptionsStartInSelection;
>     }
> 
>-    return [[mainFrame webView] findString:(NSString *)targetCFString.get() options:options];
>+    return [[mainFrame webView] findString:(__bridge NSString *)targetCFString.get() options:options];
> }
> 
> void TestRunner::setCacheModel(int cacheModel)
>@@ -722,7 +722,7 @@ bool TestRunner::isCommandEnabled(JSStringRef name)
> {
> #if !PLATFORM(IOS)
>     RetainPtr<CFStringRef> nameCF = adoptCF(JSStringCopyCFString(kCFAllocatorDefault, name));
>-    NSString *nameNS = (NSString *)nameCF.get();
>+    NSString *nameNS = (__bridge NSString *)nameCF.get();
> 
>     // Accept command strings with capital letters for first letter without trailing colon.
>     if (![nameNS hasSuffix:@":"] && [nameNS length]) {
>@@ -756,22 +756,22 @@ void TestRunner::waitForPolicyDelegate()
> void TestRunner::addOriginAccessWhitelistEntry(JSStringRef sourceOrigin, JSStringRef destinationProtocol, JSStringRef destinationHost, bool allowDestinationSubdomains)
> {
>     RetainPtr<CFStringRef> sourceOriginCF = adoptCF(JSStringCopyCFString(kCFAllocatorDefault, sourceOrigin));
>-    NSString *sourceOriginNS = (NSString *)sourceOriginCF.get();
>+    NSString *sourceOriginNS = (__bridge NSString *)sourceOriginCF.get();
>     RetainPtr<CFStringRef> protocolCF = adoptCF(JSStringCopyCFString(kCFAllocatorDefault, destinationProtocol));
>-    NSString *destinationProtocolNS = (NSString *)protocolCF.get();
>+    NSString *destinationProtocolNS = (__bridge NSString *)protocolCF.get();
>     RetainPtr<CFStringRef> hostCF = adoptCF(JSStringCopyCFString(kCFAllocatorDefault, destinationHost));
>-    NSString *destinationHostNS = (NSString *)hostCF.get();
>+    NSString *destinationHostNS = (__bridge NSString *)hostCF.get();
>     [WebView _addOriginAccessWhitelistEntryWithSourceOrigin:sourceOriginNS destinationProtocol:destinationProtocolNS destinationHost:destinationHostNS allowDestinationSubdomains:allowDestinationSubdomains];
> }
> 
> void TestRunner::removeOriginAccessWhitelistEntry(JSStringRef sourceOrigin, JSStringRef destinationProtocol, JSStringRef destinationHost, bool allowDestinationSubdomains)
> {
>     RetainPtr<CFStringRef> sourceOriginCF = adoptCF(JSStringCopyCFString(kCFAllocatorDefault, sourceOrigin));
>-    NSString *sourceOriginNS = (NSString *)sourceOriginCF.get();
>+    NSString *sourceOriginNS = (__bridge NSString *)sourceOriginCF.get();
>     RetainPtr<CFStringRef> protocolCF = adoptCF(JSStringCopyCFString(kCFAllocatorDefault, destinationProtocol));
>-    NSString *destinationProtocolNS = (NSString *)protocolCF.get();
>+    NSString *destinationProtocolNS = (__bridge NSString *)protocolCF.get();
>     RetainPtr<CFStringRef> hostCF = adoptCF(JSStringCopyCFString(kCFAllocatorDefault, destinationHost));
>-    NSString *destinationHostNS = (NSString *)hostCF.get();
>+    NSString *destinationHostNS = (__bridge NSString *)hostCF.get();
>     [WebView _removeOriginAccessWhitelistEntryWithSourceOrigin:sourceOriginNS destinationProtocol:destinationProtocolNS destinationHost:destinationHostNS allowDestinationSubdomains:allowDestinationSubdomains];
> }
> 
>@@ -783,14 +783,14 @@ void TestRunner::setScrollbarPolicy(JSStringRef orientation, JSStringRef policy)
> void TestRunner::addUserScript(JSStringRef source, bool runAtStart, bool allFrames)
> {
>     RetainPtr<CFStringRef> sourceCF = adoptCF(JSStringCopyCFString(kCFAllocatorDefault, source));
>-    NSString *sourceNS = (NSString *)sourceCF.get();
>+    NSString *sourceNS = (__bridge NSString *)sourceCF.get();
>     [WebView _addUserScriptToGroup:@"org.webkit.DumpRenderTree" world:[WebScriptWorld world] source:sourceNS url:nil whitelist:nil blacklist:nil injectionTime:(runAtStart ? WebInjectAtDocumentStart : WebInjectAtDocumentEnd) injectedFrames:(allFrames ? WebInjectInAllFrames : WebInjectInTopFrameOnly)];
> }
> 
> void TestRunner::addUserStyleSheet(JSStringRef source, bool allFrames)
> {
>     RetainPtr<CFStringRef> sourceCF = adoptCF(JSStringCopyCFString(kCFAllocatorDefault, source));
>-    NSString *sourceNS = (NSString *)sourceCF.get();
>+    NSString *sourceNS = (__bridge NSString *)sourceCF.get();
>     [WebView _addUserStyleSheetToGroup:@"org.webkit.DumpRenderTree" world:[WebScriptWorld world] source:sourceNS url:nil whitelist:nil blacklist:nil injectedFrames:(allFrames ? WebInjectInAllFrames : WebInjectInTopFrameOnly)];
> }
> 
>@@ -812,7 +812,7 @@ void TestRunner::closeWebInspector()
> void TestRunner::evaluateInWebInspector(JSStringRef script)
> {
>     RetainPtr<CFStringRef> scriptCF = adoptCF(JSStringCopyCFString(kCFAllocatorDefault, script));
>-    NSString *scriptNS = (NSString *)scriptCF.get();
>+    NSString *scriptNS = (__bridge NSString *)scriptCF.get();
>     [[[mainFrame webView] inspector] evaluateInFrontend:nil script:scriptNS];
> }
> 
>@@ -863,7 +863,7 @@ void TestRunner::evaluateScriptInIsolatedWorldAndReturnValue(unsigned worldID, J
> void TestRunner::evaluateScriptInIsolatedWorld(unsigned worldID, JSObjectRef globalObject, JSStringRef script)
> {
>     RetainPtr<CFStringRef> scriptCF = adoptCF(JSStringCopyCFString(kCFAllocatorDefault, script));
>-    NSString *scriptNS = (NSString *)scriptCF.get();
>+    NSString *scriptNS = (__bridge NSString *)scriptCF.get();
> 
>     // A worldID of 0 always corresponds to a new world. Any other worldID corresponds to a world
>     // that is created once and cached forever.
>@@ -1135,9 +1135,9 @@ void TestRunner::authenticateSession(JSStringRef url, JSStringRef username, JSSt
>     RetainPtr<CFStringRef> usernameCF = adoptCF(JSStringCopyCFString(kCFAllocatorDefault, username));
>     RetainPtr<CFStringRef> passwordCF = adoptCF(JSStringCopyCFString(kCFAllocatorDefault, password));
> 
>-    RetainPtr<NSURLRequest> request = adoptNS([[NSURLRequest alloc] initWithURL:[NSURL URLWithString:(NSString *)urlStringCF.get()]]);
>+    RetainPtr<NSURLRequest> request = adoptNS([[NSURLRequest alloc] initWithURL:[NSURL URLWithString:(__bridge NSString *)urlStringCF.get()]]);
> 
>-    [SynchronousLoader makeRequest:request.get() withUsername:(NSString *)usernameCF.get() password:(NSString *)passwordCF.get()];
>+    [SynchronousLoader makeRequest:request.get() withUsername:(__bridge NSString *)usernameCF.get() password:(__bridge NSString *)passwordCF.get()];
> }
> 
> void TestRunner::abortModal()
>@@ -1227,14 +1227,14 @@ void TestRunner::grantWebNotificationPermission(JSStringRef jsOrigin)
> {
>     RetainPtr<CFStringRef> cfOrigin = adoptCF(JSStringCopyCFString(kCFAllocatorDefault, jsOrigin));
>     ASSERT([[mainFrame webView] _notificationProvider] == [MockWebNotificationProvider shared]);
>-    [[MockWebNotificationProvider shared] setWebNotificationOrigin:(NSString *)cfOrigin.get() permission:TRUE];
>+    [[MockWebNotificationProvider shared] setWebNotificationOrigin:(__bridge NSString *)cfOrigin.get() permission:TRUE];
> }
> 
> void TestRunner::denyWebNotificationPermission(JSStringRef jsOrigin)
> {
>     RetainPtr<CFStringRef> cfOrigin = adoptCF(JSStringCopyCFString(kCFAllocatorDefault, jsOrigin));
>     ASSERT([[mainFrame webView] _notificationProvider] == [MockWebNotificationProvider shared]);
>-    [[MockWebNotificationProvider shared] setWebNotificationOrigin:(NSString *)cfOrigin.get() permission:FALSE];
>+    [[MockWebNotificationProvider shared] setWebNotificationOrigin:(__bridge NSString *)cfOrigin.get() permission:FALSE];
> }
> 
> void TestRunner::removeAllWebNotificationPermissions()
>diff --git a/Tools/TestRunnerShared/cocoa/LayoutTestSpellChecker.mm b/Tools/TestRunnerShared/cocoa/LayoutTestSpellChecker.mm
>index 2175a01bbbdc417c57916cffcdcc230590ff84a3..f9131af212898b538b17b9ffc0711a7d54ec8cca 100644
>--- a/Tools/TestRunnerShared/cocoa/LayoutTestSpellChecker.mm
>+++ b/Tools/TestRunnerShared/cocoa/LayoutTestSpellChecker.mm
>@@ -251,10 +251,10 @@ - (void)setResultsFromJSObject:(JSObjectRef)resultsObject inContext:(JSContextRe
>                 }
>                 JSPropertyNameArrayRelease(detailsObjectProperties);
>             }
>-            [resultsForWord addObject:[[[LayoutTestTextCheckingResult alloc] initWithType:nsTextCheckingType(WTFMove(typeValue)) range:NSMakeRange(fromValue, toValue - fromValue) replacement:(NSString *)replacementText.get() details:details.get()] autorelease]];
>+            [resultsForWord addObject:[[LayoutTestTextCheckingResult alloc] initWithType:nsTextCheckingType(WTFMove(typeValue)) range:NSMakeRange(fromValue, toValue - fromValue) replacement:(__bridge NSString *)replacementText.get() details:details.get()]];
>         }
>         auto cfTextToCheck = adoptCF(JSStringCopyCFString(kCFAllocatorDefault, textToCheck));
>-        [results setObject:resultsForWord.get() forKey:(NSString *)cfTextToCheck.get()];
>+        [results setObject:resultsForWord.get() forKey:(__bridge NSString *)cfTextToCheck.get()];
>         JSPropertyNameArrayRelease(resultsArrayPropertyNames);
>     }
>     JSPropertyNameArrayRelease(properties);
>diff --git a/Tools/WebKitTestRunner/InjectedBundle/mac/AccessibilityUIElementMac.mm b/Tools/WebKitTestRunner/InjectedBundle/mac/AccessibilityUIElementMac.mm
>index 9e074d1497fe2221766e751cd03ab13dfe0c4816..77dffb306a4813eea698ca09fa1c13b71b3aa4d0 100644
>--- a/Tools/WebKitTestRunner/InjectedBundle/mac/AccessibilityUIElementMac.mm
>+++ b/Tools/WebKitTestRunner/InjectedBundle/mac/AccessibilityUIElementMac.mm
>@@ -1671,7 +1671,7 @@ RefPtr<AccessibilityTextMarkerRange> AccessibilityUIElement::lineTextMarkerRange
> {
>     BEGIN_AX_OBJC_EXCEPTIONS
>     id textMarkerRange = [m_element accessibilityAttributeValue:@"AXLineTextMarkerRangeForTextMarker" forParameter:(__bridge id)textMarker->platformTextMarker()];
>-    return AccessibilityTextMarkerRange::create(textMarkerRange);
>+    return AccessibilityTextMarkerRange::create((__bridge CFTypeRef)textMarkerRange);
>     END_AX_OBJC_EXCEPTIONS
>     
>     return nullptr;
>@@ -1681,7 +1681,7 @@ RefPtr<AccessibilityTextMarkerRange> AccessibilityUIElement::textMarkerRangeForE
> {
>     BEGIN_AX_OBJC_EXCEPTIONS
>     id textMarkerRange = [m_element accessibilityAttributeValue:@"AXTextMarkerRangeForUIElement" forParameter:element->platformUIElement()];
>-    return AccessibilityTextMarkerRange::create(textMarkerRange);
>+    return AccessibilityTextMarkerRange::create((__bridge CFTypeRef)textMarkerRange);
>     END_AX_OBJC_EXCEPTIONS
>     
>     return nullptr;
>@@ -1701,7 +1701,7 @@ RefPtr<AccessibilityTextMarker> AccessibilityUIElement::previousTextMarker(Acces
> {
>     BEGIN_AX_OBJC_EXCEPTIONS
>     id previousMarker = [m_element accessibilityAttributeValue:@"AXPreviousTextMarkerForTextMarker" forParameter:(__bridge id)textMarker->platformTextMarker()];
>-    return AccessibilityTextMarker::create(previousMarker);
>+    return AccessibilityTextMarker::create((__bridge CFTypeRef)previousMarker);
>     END_AX_OBJC_EXCEPTIONS
>     
>     return nullptr;
>@@ -1711,7 +1711,7 @@ RefPtr<AccessibilityTextMarker> AccessibilityUIElement::nextTextMarker(Accessibi
> {
>     BEGIN_AX_OBJC_EXCEPTIONS
>     id nextMarker = [m_element accessibilityAttributeValue:@"AXNextTextMarkerForTextMarker" forParameter:(__bridge id)textMarker->platformTextMarker()];
>-    return AccessibilityTextMarker::create(nextMarker);
>+    return AccessibilityTextMarker::create((__bridge CFTypeRef)nextMarker);
>     END_AX_OBJC_EXCEPTIONS
>     
>     return nullptr;
>@@ -1732,7 +1732,7 @@ RefPtr<AccessibilityTextMarkerRange> AccessibilityUIElement::textMarkerRangeForM
>     BEGIN_AX_OBJC_EXCEPTIONS
>     NSArray* textMarkers = [NSArray arrayWithObjects:(__bridge id)startMarker->platformTextMarker(), (__bridge id)endMarker->platformTextMarker(), nil];
>     id textMarkerRange = [m_element accessibilityAttributeValue:@"AXTextMarkerRangeForUnorderedTextMarkers" forParameter:textMarkers];
>-    return AccessibilityTextMarkerRange::create(textMarkerRange);
>+    return AccessibilityTextMarkerRange::create((__bridge CFTypeRef)textMarkerRange);
>     END_AX_OBJC_EXCEPTIONS
>     
>     return nullptr;
>@@ -1742,7 +1742,7 @@ RefPtr<AccessibilityTextMarkerRange> AccessibilityUIElement::selectedTextMarkerR
> {
>     BEGIN_AX_OBJC_EXCEPTIONS
>     id textMarkerRange = [m_element accessibilityAttributeValue:NSAccessibilitySelectedTextMarkerRangeAttribute];
>-    return AccessibilityTextMarkerRange::create(textMarkerRange);
>+    return AccessibilityTextMarkerRange::create((__bridge CFTypeRef)textMarkerRange);
>     END_AX_OBJC_EXCEPTIONS
>     
>     return nullptr;
>@@ -1768,7 +1768,7 @@ RefPtr<AccessibilityTextMarker> AccessibilityUIElement::startTextMarkerForTextMa
> {
>     BEGIN_AX_OBJC_EXCEPTIONS
>     id textMarker = [m_element accessibilityAttributeValue:@"AXStartTextMarkerForTextMarkerRange" forParameter:(__bridge id)range->platformTextMarkerRange()];
>-    return AccessibilityTextMarker::create(textMarker);
>+    return AccessibilityTextMarker::create((__bridge CFTypeRef)textMarker);
>     END_AX_OBJC_EXCEPTIONS
>     
>     return nullptr;
>@@ -1778,7 +1778,7 @@ RefPtr<AccessibilityTextMarker> AccessibilityUIElement::endTextMarkerForTextMark
> {
>     BEGIN_AX_OBJC_EXCEPTIONS
>     id textMarker = [m_element accessibilityAttributeValue:@"AXEndTextMarkerForTextMarkerRange" forParameter:(__bridge id)range->platformTextMarkerRange()];
>-    return AccessibilityTextMarker::create(textMarker);
>+    return AccessibilityTextMarker::create((__bridge CFTypeRef)textMarker);
>     END_AX_OBJC_EXCEPTIONS
>     
>     return nullptr;
>@@ -1788,7 +1788,7 @@ RefPtr<AccessibilityTextMarker> AccessibilityUIElement::endTextMarkerForBounds(i
> {
>     BEGIN_AX_OBJC_EXCEPTIONS
>     id textMarker = [m_element accessibilityAttributeValue:NSAccessibilityEndTextMarkerForBoundsParameterizedAttribute forParameter:[NSValue valueWithRect:NSMakeRect(x, y, width, height)]];
>-    return AccessibilityTextMarker::create(textMarker);
>+    return AccessibilityTextMarker::create((__bridge CFTypeRef)textMarker);
>     END_AX_OBJC_EXCEPTIONS
>     
>     return nullptr;
>@@ -1798,7 +1798,7 @@ RefPtr<AccessibilityTextMarker> AccessibilityUIElement::startTextMarkerForBounds
> {
>     BEGIN_AX_OBJC_EXCEPTIONS
>     id textMarker = [m_element accessibilityAttributeValue:NSAccessibilityStartTextMarkerForBoundsParameterizedAttribute forParameter:[NSValue valueWithRect:NSMakeRect(x, y, width, height)]];
>-    return AccessibilityTextMarker::create(textMarker);
>+    return AccessibilityTextMarker::create((__bridge CFTypeRef)textMarker);
>     END_AX_OBJC_EXCEPTIONS
>     
>     return nullptr;
>@@ -1808,7 +1808,7 @@ RefPtr<AccessibilityTextMarker> AccessibilityUIElement::textMarkerForPoint(int x
> {
>     BEGIN_AX_OBJC_EXCEPTIONS
>     id textMarker = [m_element accessibilityAttributeValue:@"AXTextMarkerForPosition" forParameter:[NSValue valueWithPoint:NSMakePoint(x, y)]];
>-    return AccessibilityTextMarker::create(textMarker);
>+    return AccessibilityTextMarker::create((__bridge CFTypeRef)textMarker);
>     END_AX_OBJC_EXCEPTIONS
>     
>     return nullptr;
>@@ -1917,7 +1917,7 @@ RefPtr<AccessibilityTextMarker> AccessibilityUIElement::textMarkerForIndex(int t
> {
>     BEGIN_AX_OBJC_EXCEPTIONS
>     id textMarker = [m_element accessibilityAttributeValue:@"AXTextMarkerForIndex" forParameter:[NSNumber numberWithInteger:textIndex]];
>-    return AccessibilityTextMarker::create(textMarker);
>+    return AccessibilityTextMarker::create((__bridge CFTypeRef)textMarker);
>     END_AX_OBJC_EXCEPTIONS
>     
>     return nullptr;
>@@ -1927,7 +1927,7 @@ RefPtr<AccessibilityTextMarker> AccessibilityUIElement::startTextMarker()
> {
>     BEGIN_AX_OBJC_EXCEPTIONS
>     id textMarker = [m_element accessibilityAttributeValue:@"AXStartTextMarker"];
>-    return AccessibilityTextMarker::create(textMarker);
>+    return AccessibilityTextMarker::create((__bridge CFTypeRef)textMarker);
>     END_AX_OBJC_EXCEPTIONS
>     
>     return nullptr;
>@@ -1937,7 +1937,7 @@ RefPtr<AccessibilityTextMarker> AccessibilityUIElement::endTextMarker()
> {
>     BEGIN_AX_OBJC_EXCEPTIONS
>     id textMarker = [m_element accessibilityAttributeValue:@"AXEndTextMarker"];
>-    return AccessibilityTextMarker::create(textMarker);
>+    return AccessibilityTextMarker::create((__bridge CFTypeRef)textMarker);
>     END_AX_OBJC_EXCEPTIONS
>     
>     return nullptr;
>@@ -1947,7 +1947,7 @@ RefPtr<AccessibilityTextMarkerRange> AccessibilityUIElement::leftWordTextMarkerR
> {
>     BEGIN_AX_OBJC_EXCEPTIONS
>     id textMarkerRange = [m_element accessibilityAttributeValue:@"AXLeftWordTextMarkerRangeForTextMarker" forParameter:(__bridge id)textMarker->platformTextMarker()];
>-    return AccessibilityTextMarkerRange::create(textMarkerRange);
>+    return AccessibilityTextMarkerRange::create((__bridge CFTypeRef)textMarkerRange);
>     END_AX_OBJC_EXCEPTIONS
>     
>     return nullptr;
>@@ -1957,7 +1957,7 @@ RefPtr<AccessibilityTextMarkerRange> AccessibilityUIElement::rightWordTextMarker
> {
>     BEGIN_AX_OBJC_EXCEPTIONS
>     id textMarkerRange = [m_element accessibilityAttributeValue:@"AXRightWordTextMarkerRangeForTextMarker" forParameter:(__bridge id)textMarker->platformTextMarker()];
>-    return AccessibilityTextMarkerRange::create(textMarkerRange);
>+    return AccessibilityTextMarkerRange::create((__bridge CFTypeRef)textMarkerRange);
>     END_AX_OBJC_EXCEPTIONS
>     
>     return nullptr;
>@@ -1967,7 +1967,7 @@ RefPtr<AccessibilityTextMarker> AccessibilityUIElement::previousWordStartTextMar
> {
>     BEGIN_AX_OBJC_EXCEPTIONS
>     id previousWordStartMarker = [m_element accessibilityAttributeValue:@"AXPreviousWordStartTextMarkerForTextMarker" forParameter:(__bridge id)textMarker->platformTextMarker()];
>-    return AccessibilityTextMarker::create(previousWordStartMarker);
>+    return AccessibilityTextMarker::create((__bridge CFTypeRef)previousWordStartMarker);
>     END_AX_OBJC_EXCEPTIONS
>     
>     return nullptr;
>@@ -1977,7 +1977,7 @@ RefPtr<AccessibilityTextMarker> AccessibilityUIElement::nextWordEndTextMarkerFor
> {
>     BEGIN_AX_OBJC_EXCEPTIONS
>     id nextWordEndMarker = [m_element accessibilityAttributeValue:@"AXNextWordEndTextMarkerForTextMarker" forParameter:(__bridge id)textMarker->platformTextMarker()];
>-    return AccessibilityTextMarker::create(nextWordEndMarker);
>+    return AccessibilityTextMarker::create((__bridge CFTypeRef)nextWordEndMarker);
>     END_AX_OBJC_EXCEPTIONS
>     
>     return nullptr;
>@@ -1987,7 +1987,7 @@ RefPtr<AccessibilityTextMarkerRange> AccessibilityUIElement::paragraphTextMarker
> {
>     BEGIN_AX_OBJC_EXCEPTIONS
>     id textMarkerRange = [m_element accessibilityAttributeValue:@"AXParagraphTextMarkerRangeForTextMarker" forParameter:(__bridge id)textMarker->platformTextMarker()];
>-    return AccessibilityTextMarkerRange::create(textMarkerRange);
>+    return AccessibilityTextMarkerRange::create((__bridge CFTypeRef)textMarkerRange);
>     END_AX_OBJC_EXCEPTIONS
>     
>     return nullptr;
>@@ -1997,7 +1997,7 @@ RefPtr<AccessibilityTextMarker> AccessibilityUIElement::previousParagraphStartTe
> {
>     BEGIN_AX_OBJC_EXCEPTIONS
>     id previousParagraphStartMarker = [m_element accessibilityAttributeValue:@"AXPreviousParagraphStartTextMarkerForTextMarker" forParameter:(__bridge id)textMarker->platformTextMarker()];
>-    return AccessibilityTextMarker::create(previousParagraphStartMarker);
>+    return AccessibilityTextMarker::create((__bridge CFTypeRef)previousParagraphStartMarker);
>     END_AX_OBJC_EXCEPTIONS
>     
>     return nullptr;
>@@ -2007,7 +2007,7 @@ RefPtr<AccessibilityTextMarker> AccessibilityUIElement::nextParagraphEndTextMark
> {
>     BEGIN_AX_OBJC_EXCEPTIONS
>     id nextParagraphEndMarker = [m_element accessibilityAttributeValue:@"AXNextParagraphEndTextMarkerForTextMarker" forParameter:(__bridge id)textMarker->platformTextMarker()];
>-    return AccessibilityTextMarker::create(nextParagraphEndMarker);
>+    return AccessibilityTextMarker::create((__bridge CFTypeRef)nextParagraphEndMarker);
>     END_AX_OBJC_EXCEPTIONS
>     
>     return nullptr;
>@@ -2017,7 +2017,7 @@ RefPtr<AccessibilityTextMarkerRange> AccessibilityUIElement::sentenceTextMarkerR
> {
>     BEGIN_AX_OBJC_EXCEPTIONS
>     id textMarkerRange = [m_element accessibilityAttributeValue:@"AXSentenceTextMarkerRangeForTextMarker" forParameter:(__bridge id)textMarker->platformTextMarker()];
>-    return AccessibilityTextMarkerRange::create(textMarkerRange);
>+    return AccessibilityTextMarkerRange::create((__bridge CFTypeRef)textMarkerRange);
>     END_AX_OBJC_EXCEPTIONS
>     
>     return nullptr;
>@@ -2027,7 +2027,7 @@ RefPtr<AccessibilityTextMarker> AccessibilityUIElement::previousSentenceStartTex
> {
>     BEGIN_AX_OBJC_EXCEPTIONS
>     id previousParagraphStartMarker = [m_element accessibilityAttributeValue:@"AXPreviousSentenceStartTextMarkerForTextMarker" forParameter:(__bridge id)textMarker->platformTextMarker()];
>-    return AccessibilityTextMarker::create(previousParagraphStartMarker);
>+    return AccessibilityTextMarker::create((__bridge CFTypeRef)previousParagraphStartMarker);
>     END_AX_OBJC_EXCEPTIONS
>     
>     return nullptr;
>@@ -2037,7 +2037,7 @@ RefPtr<AccessibilityTextMarker> AccessibilityUIElement::nextSentenceEndTextMarke
> {
>     BEGIN_AX_OBJC_EXCEPTIONS
>     id nextParagraphEndMarker = [m_element accessibilityAttributeValue:@"AXNextSentenceEndTextMarkerForTextMarker" forParameter:(__bridge id)textMarker->platformTextMarker()];
>-    return AccessibilityTextMarker::create(nextParagraphEndMarker);
>+    return AccessibilityTextMarker::create((__bridge CFTypeRef)nextParagraphEndMarker);
>     END_AX_OBJC_EXCEPTIONS
>     
>     return nullptr;
>diff --git a/Tools/WebKitTestRunner/PlatformMac.cmake b/Tools/WebKitTestRunner/PlatformMac.cmake
>index 313dbcd0e5c16c1a0a60c6c7198562e786d5d1bb..edd7c4d81935107e92754ba33a15dccf7a3077e4 100644
>--- a/Tools/WebKitTestRunner/PlatformMac.cmake
>+++ b/Tools/WebKitTestRunner/PlatformMac.cmake
>@@ -62,6 +62,7 @@ list(APPEND WebKitTestRunner_SOURCES
>     ${WEBKIT_TESTRUNNER_DIR}/mac/WebKitTestRunnerDraggingInfo.mm
>     ${WEBKIT_TESTRUNNER_DIR}/mac/WebKitTestRunnerEvent.mm
>     ${WEBKIT_TESTRUNNER_DIR}/mac/WebKitTestRunnerPasteboard.mm
>+    ${WEBKIT_TESTRUNNER_DIR}/mac/WebKitTestRunnerWindow.mm
>     ${WEBKIT_TESTRUNNER_DIR}/mac/main.mm
>     
>     ${WEBKIT_TESTRUNNER_SHARED_DIR}/EventSerialization/mac/EventSerializerMac.mm
>diff --git a/Tools/WebKitTestRunner/WebKitTestRunner.xcodeproj/project.pbxproj b/Tools/WebKitTestRunner/WebKitTestRunner.xcodeproj/project.pbxproj
>index 1940f5be539a5028ed7498987bb2313146803c60..1c6c474e1a502ddaf7020f19b8cfe5b0ebd947eb 100644
>--- a/Tools/WebKitTestRunner/WebKitTestRunner.xcodeproj/project.pbxproj
>+++ b/Tools/WebKitTestRunner/WebKitTestRunner.xcodeproj/project.pbxproj
>@@ -103,6 +103,7 @@
> 		65EB85A011EC67CC0034D300 /* ActivateFontsCocoa.mm in Sources */ = {isa = PBXBuildFile; fileRef = 65EB859F11EC67CC0034D300 /* ActivateFontsCocoa.mm */; };
> 		8034C6621487636400AC32E9 /* AccessibilityControllerMac.mm in Sources */ = {isa = PBXBuildFile; fileRef = 8034C6611487636400AC32E9 /* AccessibilityControllerMac.mm */; };
> 		8097338A14874A5A008156D9 /* AccessibilityNotificationHandler.mm in Sources */ = {isa = PBXBuildFile; fileRef = 8097338914874A5A008156D9 /* AccessibilityNotificationHandler.mm */; };
>+		9376417A210D737200A3DAAE /* WebKitTestRunnerWindow.mm in Sources */ = {isa = PBXBuildFile; fileRef = 93764176210D736000A3DAAE /* WebKitTestRunnerWindow.mm */; };
> 		A185103A1B9AE0DA00744AEB /* CrashReporterInfo.mm in Sources */ = {isa = PBXBuildFile; fileRef = 0FEB90A31905BC6A000FDBF3 /* CrashReporterInfo.mm */; };
> 		A185103B1B9AE0E200744AEB /* TestControllerCocoa.mm in Sources */ = {isa = PBXBuildFile; fileRef = 2DCE2CD11B84524500C7F832 /* TestControllerCocoa.mm */; };
> 		A185103C1B9AE0FE00744AEB /* Options.cpp in Sources */ = {isa = PBXBuildFile; fileRef = 841CC00D181185BF0042E9B6 /* Options.cpp */; };
>@@ -316,6 +317,8 @@
> 		841CC00D181185BF0042E9B6 /* Options.cpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.cpp; path = Options.cpp; sourceTree = "<group>"; };
> 		841CC00E181185BF0042E9B6 /* Options.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = Options.h; sourceTree = "<group>"; };
> 		8DD76FA10486AA7600D96B5E /* WebKitTestRunner */ = {isa = PBXFileReference; explicitFileType = "compiled.mach-o.executable"; includeInIndex = 0; path = WebKitTestRunner; sourceTree = BUILT_PRODUCTS_DIR; };
>+		93764176210D736000A3DAAE /* WebKitTestRunnerWindow.mm */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.objcpp; path = WebKitTestRunnerWindow.mm; sourceTree = "<group>"; };
>+		93764177210D736100A3DAAE /* WebKitTestRunnerWindow.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = WebKitTestRunnerWindow.h; sourceTree = "<group>"; };
> 		9B0D132E2036D346008FC8FB /* WebKitTestRunnerApp-iOS.entitlements */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = text.plist.entitlements; path = "WebKitTestRunnerApp-iOS.entitlements"; sourceTree = "<group>"; };
> 		9B36A270209453A0003E0651 /* WhatToDump.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = WhatToDump.h; sourceTree = "<group>"; };
> 		A18510271B9ADE4800744AEB /* libWebKitTestRunner.a */ = {isa = PBXFileReference; explicitFileType = archive.ar; includeInIndex = 0; path = libWebKitTestRunner.a; sourceTree = BUILT_PRODUCTS_DIR; };
>@@ -749,6 +752,8 @@
> 				E132AA3B17CE776F00611DF0 /* WebKitTestRunnerEvent.mm */,
> 				E1C642C517CBCD4C00D66A3C /* WebKitTestRunnerPasteboard.h */,
> 				E1C642C417CBCD4C00D66A3C /* WebKitTestRunnerPasteboard.mm */,
>+				93764177210D736100A3DAAE /* WebKitTestRunnerWindow.h */,
>+				93764176210D736000A3DAAE /* WebKitTestRunnerWindow.mm */,
> 			);
> 			path = mac;
> 			sourceTree = "<group>";
>@@ -1045,6 +1050,7 @@
> 				E132AA3A17CD5F1000611DF0 /* WebKitTestRunnerDraggingInfo.mm in Sources */,
> 				E132AA3D17CE776F00611DF0 /* WebKitTestRunnerEvent.mm in Sources */,
> 				E1C642C617CBCD4C00D66A3C /* WebKitTestRunnerPasteboard.mm in Sources */,
>+				9376417A210D737200A3DAAE /* WebKitTestRunnerWindow.mm in Sources */,
> 			);
> 			runOnlyForDeploymentPostprocessing = 0;
> 		};
>diff --git a/Tools/WebKitTestRunner/mac/EventSenderProxy.mm b/Tools/WebKitTestRunner/mac/EventSenderProxy.mm
>index 790f6351bd6b01e3984581025ed9d0f4773541cb..46584ff778906f528ee06875f48665f0381a6c6e 100644
>--- a/Tools/WebKitTestRunner/mac/EventSenderProxy.mm
>+++ b/Tools/WebKitTestRunner/mac/EventSenderProxy.mm
>@@ -31,6 +31,7 @@
> #import "StringFunctions.h"
> #import "TestController.h"
> #import "TestRunnerWKWebView.h"
>+#import "WebKitTestRunnerWindow.h"
> #import <Carbon/Carbon.h>
> #import <WebKit/WKString.h>
> #import <WebKit/WKPagePrivate.h>
>diff --git a/Tools/WebKitTestRunner/mac/PlatformWebViewMac.mm b/Tools/WebKitTestRunner/mac/PlatformWebViewMac.mm
>index ddd5749406cc3f1d20a3df3fbf271a308e6b0eac..f6cb2a08d64579cd444f820a30a6149f380dfa65 100644
>--- a/Tools/WebKitTestRunner/mac/PlatformWebViewMac.mm
>+++ b/Tools/WebKitTestRunner/mac/PlatformWebViewMac.mm
>@@ -29,6 +29,7 @@
> #import "TestController.h"
> #import "TestRunnerWKWebView.h"
> #import "WebKitTestRunnerDraggingInfo.h"
>+#import "WebKitTestRunnerWindow.h"
> #import <WebKit/WKImageCG.h>
> #import <WebKit/WKPreferencesPrivate.h>
> #import <WebKit/WKWebViewConfiguration.h>
>@@ -37,93 +38,21 @@
> #import <wtf/mac/AppKitCompatibilityDeclarations.h>
> 
> #if WK_API_ENABLED
>-@interface WKWebView (Details)
>+@interface WKWebView ()
> - (WKPageRef)_pageForTesting;
> @end
> #endif
> 
> using namespace WTR;
> 
>+// FIXME: Move to NSWindowSPI.h.
> enum {
>     _NSBackingStoreUnbuffered = 3
> };
> 
>-@interface WebKitTestRunnerWindow : NSWindow {
>-    PlatformWebView* _platformWebView;
>-    NSPoint _fakeOrigin;
>-}
>-@property (nonatomic, assign) PlatformWebView* platformWebView;
>-@end
>-
>-static Vector<WebKitTestRunnerWindow*> allWindows;
>-
>-@implementation WebKitTestRunnerWindow
>-@synthesize platformWebView = _platformWebView;
>-
>-+ (NSWindow *)_WTR_keyWindow
>-{
>-    size_t i = allWindows.size();
>-    while (i) {
>-        if ([allWindows[i] isKeyWindow])
>-            return allWindows[i];
>-        --i;
>-    }
>-
>-    return nil;
>-}
>-
>-- (instancetype)initWithContentRect:(NSRect)contentRect styleMask:(NSUInteger)windowStyle backing:(NSBackingStoreType)bufferingType defer:(BOOL)deferCreation
>-{
>-    allWindows.append(self);
>-    return [super initWithContentRect:contentRect styleMask:windowStyle backing:bufferingType defer:deferCreation];
>-}
>-
>-- (void)dealloc
>-{
>-    allWindows.removeFirst(self);
>-    ASSERT(!allWindows.contains(self));
>-    [super dealloc];
>-}
>-
>-- (BOOL)isKeyWindow
>-{
>-    return _platformWebView ? _platformWebView->windowIsKey() : YES;
>-}
>-
>-- (void)setFrameOrigin:(NSPoint)point
>-{
>-    _fakeOrigin = point;
>-}
>-
>-- (void)setFrame:(NSRect)windowFrame display:(BOOL)displayViews animate:(BOOL)performAnimation
>-{
>-    NSRect currentFrame = [super frame];
>-
>-    _fakeOrigin = windowFrame.origin;
>-
>-    [super setFrame:NSMakeRect(currentFrame.origin.x, currentFrame.origin.y, windowFrame.size.width, windowFrame.size.height) display:displayViews animate:performAnimation];
>-}
>-
>-- (void)setFrame:(NSRect)windowFrame display:(BOOL)displayViews
>-{
>-    NSRect currentFrame = [super frame];
>-
>-    _fakeOrigin = windowFrame.origin;
>-
>-    [super setFrame:NSMakeRect(currentFrame.origin.x, currentFrame.origin.y, windowFrame.size.width, windowFrame.size.height) display:displayViews];
>-}
>-
>-- (NSRect)frameRespectingFakeOrigin
>-{
>-    NSRect currentFrame = [self frame];
>-    return NSMakeRect(_fakeOrigin.x, _fakeOrigin.y, currentFrame.size.width, currentFrame.size.height);
>-}
>-@end
>-
>+// FIXME: Move to NSWindowSPI.h.
> @interface NSWindow ()
>-
> - (void)_setWindowResolution:(CGFloat)resolution displayIfChanged:(BOOL)displayIfChanged;
>-
> @end
> 
> namespace WTR {
>@@ -187,14 +116,7 @@ PlatformWebView::~PlatformWebView()
> 
> PlatformWindow PlatformWebView::keyWindow()
> {
>-    size_t i = allWindows.size();
>-    while (i) {
>-        --i;
>-        if ([allWindows[i] isKeyWindow])
>-            return allWindows[i];
>-    }
>-
>-    return nil;
>+    return [WebKitTestRunnerWindow _WTR_keyWindow];
> }
> 
> WKPageRef PlatformWebView::page()
>diff --git a/Tools/WebKitTestRunner/mac/WebKitTestRunnerEvent.mm b/Tools/WebKitTestRunner/mac/WebKitTestRunnerEvent.mm
>index 9dea2df818896fba87110eed5a8d94257ced2937..f547fd117dd652d2844651055c3e4d4f3448767b 100644
>--- a/Tools/WebKitTestRunner/mac/WebKitTestRunnerEvent.mm
>+++ b/Tools/WebKitTestRunner/mac/WebKitTestRunnerEvent.mm
>@@ -27,17 +27,16 @@
> #import "WebKitTestRunnerEvent.h"
> 
> #import "EventSenderProxy.h"
>-#import "TestController.h"
> #import "PlatformWebView.h"
>-
>-using namespace WTR;
>+#import "TestController.h"
>+#import "WebKitTestRunnerWindow.h"
> 
> @implementation WebKitTestRunnerEvent
> 
> + (NSPoint)mouseLocation
> {
>-    WKPoint location = TestController::singleton().eventSenderProxy()->position();
>-    return [TestController::singleton().mainWebView()->platformWindow() convertBaseToScreen:NSMakePoint(location.x, location.y)];
>+    WKPoint location = WTR::TestController::singleton().eventSenderProxy()->position();
>+    return [WTR::TestController::singleton().mainWebView()->platformWindow() convertBaseToScreen:NSMakePoint(location.x, location.y)];
> }
> 
> @end
>diff --git a/Tools/WebKitTestRunner/mac/WebKitTestRunnerPasteboard.mm b/Tools/WebKitTestRunner/mac/WebKitTestRunnerPasteboard.mm
>index a26180e01f411850699d1fcba11ac9d65663c35f..e3f65a066e4cc3f813fe78d3b2bfb337f65d75e5 100644
>--- a/Tools/WebKitTestRunner/mac/WebKitTestRunnerPasteboard.mm
>+++ b/Tools/WebKitTestRunner/mac/WebKitTestRunnerPasteboard.mm
>@@ -1,5 +1,5 @@
> /*
>- * Copyright (C) 2005, 2006, 2007, 2013 Apple, Inc.  All rights reserved.
>+ * Copyright (C) 2005-2018 Apple, Inc.  All rights reserved.
>  * Copyright (C) 2007 Graham Dennis (graham.dennis@gmail.com)
>  * Copyright (C) 2007 Eric Seidel <eric@webkit.org>
>  *
>@@ -28,6 +28,8 @@
> #include "config.h"
> #include "WebKitTestRunnerPasteboard.h"
> 
>+#include <objc/runtime.h>
>+
> @interface LocalPasteboard : NSPasteboard
> {
>     NSMutableArray *typesArray;
>@@ -86,7 +88,8 @@ @implementation LocalPasteboard
> 
> + (id)alloc
> {
>-    return NSAllocateObject(self, 0, 0);
>+    // Need to skip over [NSPasteboard alloc], which won't allocate a new object.
>+    return class_createInstance(self, 0);
> }
> 
> - (id)initWithName:(NSString *)name
>@@ -158,12 +161,8 @@ - (NSArray *)types
> 
> - (NSString *)availableTypeFromArray:(NSArray *)types
> {
>-    unsigned count = [types count];
>-    unsigned i;
>-    for (i = 0; i < count; ++i) {
>-        NSString *type = [types objectAtIndex:i];
>-        NSString *setType = [typesSet member:type];
>-        if (setType)
>+    for (NSString *type in types) {
>+        if (NSString *setType = [typesSet member:type])
>             return setType;
>     }
>     return nil;
>@@ -171,10 +170,10 @@ - (NSString *)availableTypeFromArray:(NSArray *)types
> 
> - (BOOL)setData:(NSData *)data forType:(NSString *)dataType
> {
>-    if (data == nil)
>-        data = [NSData data];
>     if (![typesSet containsObject:dataType])
>         return NO;
>+    if (data == nil)
>+        data = [NSData data];
>     [dataByType setObject:data forKey:dataType];
>     ++changeCount;
>     return YES;
>@@ -187,28 +186,15 @@ - (NSData *)dataForType:(NSString *)dataType
> 
> - (BOOL)setPropertyList:(id)propertyList forType:(NSString *)dataType
> {
>-    CFDataRef data = 0;
>+    NSData *data = nil;
>     if (propertyList)
>-        data = CFPropertyListCreateXMLData(0, (__bridge CFTypeRef)propertyList);
>-    BOOL result = [self setData:(__bridge NSData *)data forType:dataType];
>-    if (data)
>-        CFRelease(data);
>-    return result;
>+        data = [NSPropertyListSerialization dataWithPropertyList:propertyList format:NSPropertyListXMLFormat_v1_0 options:0 error:nullptr];
>+    return [self setData:data forType:dataType];
> }
> 
> - (BOOL)setString:(NSString *)string forType:(NSString *)dataType
> {
>-    CFDataRef data = 0;
>-    if (string) {
>-        if ([string length] == 0)
>-            data = CFDataCreate(0, 0, 0);
>-        else
>-            data = CFStringCreateExternalRepresentation(0, (CFStringRef)string, kCFStringEncodingUTF8, 0);
>-    }
>-    BOOL result = [self setData:(__bridge NSData *)data forType:dataType];
>-    if (data)
>-        CFRelease(data);
>-    return result;
>+    return [self setData:[string dataUsingEncoding:NSUTF8StringEncoding] forType:dataType];
> }
> 
> @end
>diff --git a/Tools/WebKitTestRunner/mac/WebKitTestRunnerWindow.h b/Tools/WebKitTestRunner/mac/WebKitTestRunnerWindow.h
>new file mode 100644
>index 0000000000000000000000000000000000000000..599343e75d98e87274b5e0d276d16d0db42490da
>--- /dev/null
>+++ b/Tools/WebKitTestRunner/mac/WebKitTestRunnerWindow.h
>@@ -0,0 +1,40 @@
>+/*
>+ * Copyright (C) 2013-2018 Apple Inc. All rights reserved.
>+ *
>+ * Redistribution and use in source and binary forms, with or without
>+ * modification, are permitted provided that the following conditions
>+ * are met:
>+ * 1. Redistributions of source code must retain the above copyright
>+ *    notice, this list of conditions and the following disclaimer.
>+ * 2. Redistributions in binary form must reproduce the above copyright
>+ *    notice, this list of conditions and the following disclaimer in the
>+ *    documentation and/or other materials provided with the distribution.
>+ *
>+ * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
>+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
>+ * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
>+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
>+ * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
>+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
>+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
>+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
>+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
>+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
>+ * THE POSSIBILITY OF SUCH DAMAGE.
>+ */
>+
>+namespace WTR {
>+class PlatformWebView;
>+}
>+
>+@interface WebKitTestRunnerWindow : NSWindow {
>+    WTR::PlatformWebView* _platformWebView;
>+    NSPoint _fakeOrigin;
>+}
>+
>++ (WebKitTestRunnerWindow *)_WTR_keyWindow;
>+
>+@property (nonatomic, assign) WTR::PlatformWebView* platformWebView;
>+- (NSRect)frameRespectingFakeOrigin;
>+
>+@end
>diff --git a/Tools/WebKitTestRunner/mac/WebKitTestRunnerWindow.mm b/Tools/WebKitTestRunner/mac/WebKitTestRunnerWindow.mm
>new file mode 100644
>index 0000000000000000000000000000000000000000..0aec3013923c205caf4b1f6cb9e79b164c58ac3f
>--- /dev/null
>+++ b/Tools/WebKitTestRunner/mac/WebKitTestRunnerWindow.mm
>@@ -0,0 +1,90 @@
>+/*
>+ * Copyright (C) 2013-2018 Apple Inc. All rights reserved.
>+ *
>+ * Redistribution and use in source and binary forms, with or without
>+ * modification, are permitted provided that the following conditions
>+ * are met:
>+ * 1. Redistributions of source code must retain the above copyright
>+ *    notice, this list of conditions and the following disclaimer.
>+ * 2. Redistributions in binary form must reproduce the above copyright
>+ *    notice, this list of conditions and the following disclaimer in the
>+ *    documentation and/or other materials provided with the distribution.
>+ *
>+ * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
>+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
>+ * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
>+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
>+ * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
>+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
>+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
>+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
>+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
>+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
>+ * THE POSSIBILITY OF SUCH DAMAGE.
>+ */
>+
>+#import "config.h"
>+#import "WebKitTestRunnerWindow.h"
>+
>+#import "PlatformWebView.h"
>+#import <wtf/Vector.h>
>+
>+@implementation WebKitTestRunnerWindow
>+
>+static Vector<WebKitTestRunnerWindow*> allWindows;
>+
>+@synthesize platformWebView = _platformWebView;
>+
>++ (WebKitTestRunnerWindow *)_WTR_keyWindow
>+{
>+    for (auto window : allWindows) {
>+        if ([window isKeyWindow])
>+            return window;
>+    }
>+    return nil;
>+}
>+
>+- (instancetype)initWithContentRect:(NSRect)contentRect styleMask:(NSUInteger)windowStyle backing:(NSBackingStoreType)bufferingType defer:(BOOL)deferCreation
>+{
>+    allWindows.append(self);
>+    return [super initWithContentRect:contentRect styleMask:windowStyle backing:bufferingType defer:deferCreation];
>+}
>+
>+- (void)dealloc
>+{
>+    allWindows.removeFirst(self);
>+    ASSERT(!allWindows.contains(self));
>+    [super dealloc];
>+}
>+
>+- (BOOL)isKeyWindow
>+{
>+    return !_platformWebView || _platformWebView->windowIsKey();
>+}
>+
>+- (void)setFrameOrigin:(NSPoint)point
>+{
>+    _fakeOrigin = point;
>+}
>+
>+- (void)setFrame:(NSRect)windowFrame display:(BOOL)displayViews animate:(BOOL)performAnimation
>+{
>+    NSRect currentFrame = [super frame];
>+    _fakeOrigin = windowFrame.origin;
>+    [super setFrame:NSMakeRect(currentFrame.origin.x, currentFrame.origin.y, windowFrame.size.width, windowFrame.size.height) display:displayViews animate:performAnimation];
>+}
>+
>+- (void)setFrame:(NSRect)windowFrame display:(BOOL)displayViews
>+{
>+    NSRect currentFrame = [super frame];
>+    _fakeOrigin = windowFrame.origin;
>+    [super setFrame:NSMakeRect(currentFrame.origin.x, currentFrame.origin.y, windowFrame.size.width, windowFrame.size.height) display:displayViews];
>+}
>+
>+- (NSRect)frameRespectingFakeOrigin
>+{
>+    NSRect currentFrame = [self frame];
>+    return NSMakeRect(_fakeOrigin.x, _fakeOrigin.y, currentFrame.size.width, currentFrame.size.height);
>+}
>+
>+@end

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Attachments on bug 188245: 346387 | 346479 | 346483 | 346499 | 346510 | 346557 | 346603 | 346604 | 346605 | 346629 | 346630