Attachment 373200 Details for Bug 199247 – Patch

[patch] Patch

bug-199247-20190630192625.patch (text/plain), 61.53 KB, created by Sam Weinig on 2019-06-30 19:26:25 PDT

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Creator: Sam Weinig

Created: 2019-06-30 19:26:25 PDT

Size: 61.53 KB

patch

obsolete

>Index: Source/JavaScriptCore/ChangeLog
>===================================================================
>--- Source/JavaScriptCore/ChangeLog	(revision 246957)
>+++ Source/JavaScriptCore/ChangeLog	(working copy)
>@@ -1,3 +1,23 @@
>+2019-06-26  Sam Weinig  <weinig@apple.com>
>+
>+        Adopt simple structured bindings in more places
>+        https://bugs.webkit.org/show_bug.cgi?id=199247
>+
>+        Reviewed by NOBODY (OOPS!).
>+
>+        Replaces simple uses of std::tie() with structured bindings. Does not touch
>+        uses of std::tie() that are not initial declarations or use std::ignore, as
>+        structured bindings don't work for those cases yet.
>+
>+        * runtime/PromiseDeferredTimer.cpp:
>+        (JSC::PromiseDeferredTimer::doWork):
>+        * wasm/WasmFaultSignalHandler.cpp:
>+        (JSC::Wasm::trapHandler):
>+        * wasm/js/JSWebAssemblyHelpers.h:
>+        (JSC::createSourceBufferFromValue):
>+        * wasm/js/WebAssemblyPrototype.cpp:
>+        (JSC::webAssemblyValidateFunc):
>+
> 2019-06-28  Justin Michaud  <justin_michaud@apple.com>
> 
>         Add b3 macro lowering for CheckMul on arm64
>Index: Source/JavaScriptCore/runtime/PromiseDeferredTimer.cpp
>===================================================================
>--- Source/JavaScriptCore/runtime/PromiseDeferredTimer.cpp	(revision 246957)
>+++ Source/JavaScriptCore/runtime/PromiseDeferredTimer.cpp	(working copy)
>@@ -54,9 +54,7 @@ void PromiseDeferredTimer::doWork(VM& vm
>     }
> 
>     while (!m_tasks.isEmpty()) {
>-        JSPromiseDeferred* ticket;
>-        Task task;
>-        std::tie(ticket, task) = m_tasks.takeLast();
>+        auto [ticket, task] = m_tasks.takeLast();
>         dataLogLnIf(PromiseDeferredTimerInternal::verbose, "Doing work on promise: ", RawPointer(ticket));
> 
>         // We may have already canceled these promises.
>Index: Source/JavaScriptCore/wasm/WasmFaultSignalHandler.cpp
>===================================================================
>--- Source/JavaScriptCore/wasm/WasmFaultSignalHandler.cpp	(revision 246957)
>+++ Source/JavaScriptCore/wasm/WasmFaultSignalHandler.cpp	(working copy)
>@@ -77,10 +77,7 @@ static SignalAction trapHandler(Signal, 
>         if (faultedInActiveFastMemory) {
>             dataLogLnIf(WasmFaultSignalHandlerInternal::verbose, "found active fast memory for faulting address");
>             LockHolder locker(codeLocationsLock);
>-            for (auto range : codeLocations.get()) {
>-                void* start;
>-                void* end;
>-                std::tie(start, end) = range;
>+            for (auto [start, end] : codeLocations.get()) {
>                 dataLogLnIf(WasmFaultSignalHandlerInternal::verbose, "function start: ", RawPointer(start), " end: ", RawPointer(end));
>                 if (start <= faultingInstruction && faultingInstruction < end) {
>                     dataLogLnIf(WasmFaultSignalHandlerInternal::verbose, "found match");
>Index: Source/JavaScriptCore/wasm/js/JSWebAssemblyHelpers.h
>===================================================================
>--- Source/JavaScriptCore/wasm/js/JSWebAssemblyHelpers.h	(revision 246957)
>+++ Source/JavaScriptCore/wasm/js/JSWebAssemblyHelpers.h	(working copy)
>@@ -83,9 +83,7 @@ ALWAYS_INLINE std::pair<const uint8_t*, 
> ALWAYS_INLINE Vector<uint8_t> createSourceBufferFromValue(VM& vm, ExecState* exec, JSValue value)
> {
>     auto throwScope = DECLARE_THROW_SCOPE(vm);
>-    const uint8_t* data;
>-    size_t byteSize;
>-    std::tie(data, byteSize) = getWasmBufferFromValue(exec, value);
>+    auto [data, byteSize] = getWasmBufferFromValue(exec, value);
>     RETURN_IF_EXCEPTION(throwScope, Vector<uint8_t>());
> 
>     Vector<uint8_t> result;
>Index: Source/JavaScriptCore/wasm/js/WebAssemblyPrototype.cpp
>===================================================================
>--- Source/JavaScriptCore/wasm/js/WebAssemblyPrototype.cpp	(revision 246957)
>+++ Source/JavaScriptCore/wasm/js/WebAssemblyPrototype.cpp	(working copy)
>@@ -290,9 +290,7 @@ static EncodedJSValue JSC_HOST_CALL webA
>     VM& vm = exec->vm();
>     auto scope = DECLARE_THROW_SCOPE(vm);
> 
>-    const uint8_t* base;
>-    size_t byteSize;
>-    std::tie(base, byteSize) = getWasmBufferFromValue(exec, exec->argument(0));
>+    auto [base, byteSize] = getWasmBufferFromValue(exec, exec->argument(0));
>     RETURN_IF_EXCEPTION(scope, encodedJSValue());
>     BBQPlan plan(&vm.wasmContext, BBQPlan::Validation, Plan::dontFinalize());
>     // FIXME: We might want to throw an OOM exception here if we detect that something will OOM.
>Index: Source/WebCore/ChangeLog
>===================================================================
>--- Source/WebCore/ChangeLog	(revision 246957)
>+++ Source/WebCore/ChangeLog	(working copy)
>@@ -1,3 +1,43 @@
>+2019-06-26  Sam Weinig  <weinig@apple.com>
>+
>+        Adopt simple structured bindings in more places
>+        https://bugs.webkit.org/show_bug.cgi?id=199247
>+
>+        Reviewed by NOBODY (OOPS!).
>+
>+        Replaces simple uses of std::tie() with structured bindings. Does not touch
>+        uses of std::tie() that are not initial declarations or use std::ignore, as
>+        structured bindings don't work for those cases yet.
>+
>+        * css/StyleResolver.cpp:
>+        (WebCore::checkForOrientationChange):
>+        * page/csp/ContentSecurityPolicy.cpp:
>+        (WebCore::ContentSecurityPolicy::allowInlineScript const):
>+        (WebCore::ContentSecurityPolicy::allowInlineStyle const):
>+        * platform/graphics/ComplexTextController.cpp:
>+        (WebCore::ComplexTextController::adjustGlyphsAndAdvances):
>+        * platform/graphics/PathUtilities.cpp:
>+        (WebCore::PathUtilities::pathWithShrinkWrappedRectsForOutline):
>+        * platform/graphics/WidthIterator.cpp:
>+        (WebCore::WidthIterator::advanceInternal):
>+        * platform/graphics/cocoa/FontCacheCoreText.cpp:
>+        (WebCore::FontCache::createFontPlatformData):
>+        (WebCore::FontCache::systemFallbackForCharacters):
>+        (WebCore::FontCache::lastResortFallbackFont):
>+        * platform/graphics/cocoa/FontFamilySpecificationCoreText.cpp:
>+        (WebCore::FontFamilySpecificationCoreText::fontRanges const):
>+        * platform/network/SocketStreamHandleImpl.cpp:
>+        (WebCore::cookieDataForHandshake):
>+        * rendering/InlineTextBox.cpp:
>+        (WebCore::InlineTextBox::selectionState):
>+        (WebCore::createMarkedTextFromSelectionInBox):
>+        * rendering/svg/SVGInlineTextBox.cpp:
>+        (WebCore::SVGInlineTextBox::paintSelectionBackground):
>+        * style/StyleResolveForDocument.cpp:
>+        (WebCore::Style::resolveForDocument):
>+        * svg/animation/SVGSMILElement.cpp:
>+        (WebCore::SVGSMILElement::constructAttributeName const):
>+
> 2019-06-30  Zalan Bujtas  <zalan@apple.com>
> 
>         [LFC] Implement Layout::printLayoutTreeForLiveDocuments
>Index: Source/WebCore/css/StyleResolver.cpp
>===================================================================
>--- Source/WebCore/css/StyleResolver.cpp	(revision 246957)
>+++ Source/WebCore/css/StyleResolver.cpp	(working copy)
>@@ -1197,9 +1197,7 @@ void StyleResolver::adjustRenderStyleFor
> 
> static void checkForOrientationChange(RenderStyle& style)
> {
>-    FontOrientation fontOrientation;
>-    NonCJKGlyphOrientation glyphOrientation;
>-    std::tie(fontOrientation, glyphOrientation) = style.fontAndGlyphOrientation();
>+    auto [fontOrientation, glyphOrientation] = style.fontAndGlyphOrientation();
> 
>     const auto& fontDescription = style.fontDescription();
>     if (fontDescription.orientation() == fontOrientation && fontDescription.nonCJKGlyphOrientation() == glyphOrientation)
>Index: Source/WebCore/page/csp/ContentSecurityPolicy.cpp
>===================================================================
>--- Source/WebCore/page/csp/ContentSecurityPolicy.cpp	(revision 246957)
>+++ Source/WebCore/page/csp/ContentSecurityPolicy.cpp	(working copy)
>@@ -427,9 +427,7 @@ bool ContentSecurityPolicy::allowInlineS
>     if (overrideContentSecurityPolicy)
>         return true;
>     bool didNotifyInspector = false;
>-    bool foundHashInEnforcedPolicies;
>-    bool foundHashInReportOnlyPolicies;
>-    std::tie(foundHashInEnforcedPolicies, foundHashInReportOnlyPolicies) = findHashOfContentInPolicies(&ContentSecurityPolicyDirectiveList::violatedDirectiveForScriptHash, scriptContent, m_hashAlgorithmsForInlineScripts);
>+    auto [foundHashInEnforcedPolicies, foundHashInReportOnlyPolicies] = findHashOfContentInPolicies(&ContentSecurityPolicyDirectiveList::violatedDirectiveForScriptHash, scriptContent, m_hashAlgorithmsForInlineScripts);
>     if (foundHashInEnforcedPolicies && foundHashInReportOnlyPolicies)
>         return true;
>     auto handleViolatedDirective = [&] (const ContentSecurityPolicyDirective& violatedDirective) {
>@@ -453,9 +451,7 @@ bool ContentSecurityPolicy::allowInlineS
>         return true;
>     if (m_overrideInlineStyleAllowed)
>         return true;
>-    bool foundHashInEnforcedPolicies;
>-    bool foundHashInReportOnlyPolicies;
>-    std::tie(foundHashInEnforcedPolicies, foundHashInReportOnlyPolicies) = findHashOfContentInPolicies(&ContentSecurityPolicyDirectiveList::violatedDirectiveForStyleHash, styleContent, m_hashAlgorithmsForInlineStylesheets);
>+    auto [foundHashInEnforcedPolicies, foundHashInReportOnlyPolicies] = findHashOfContentInPolicies(&ContentSecurityPolicyDirectiveList::violatedDirectiveForStyleHash, styleContent, m_hashAlgorithmsForInlineStylesheets);
>     if (foundHashInEnforcedPolicies && foundHashInReportOnlyPolicies)
>         return true;
>     auto handleViolatedDirective = [&] (const ContentSecurityPolicyDirective& violatedDirective) {
>Index: Source/WebCore/platform/graphics/ComplexTextController.cpp
>===================================================================
>--- Source/WebCore/platform/graphics/ComplexTextController.cpp	(revision 246957)
>+++ Source/WebCore/platform/graphics/ComplexTextController.cpp	(working copy)
>@@ -788,8 +788,7 @@ void ComplexTextController::adjustGlyphs
>                 if (treatAsSpace || ideograph || forceLeadingExpansion || forceTrailingExpansion) {
>                     // Distribute the run's total expansion evenly over all expansion opportunities in the run.
>                     if (m_expansion) {
>-                        bool expandLeft, expandRight;
>-                        std::tie(expandLeft, expandRight) = expansionLocation(ideograph, treatAsSpace, m_run.ltr(), afterExpansion, forbidLeadingExpansion, forbidTrailingExpansion, forceLeadingExpansion, forceTrailingExpansion);
>+                        auto [expandLeft, expandRight] = expansionLocation(ideograph, treatAsSpace, m_run.ltr(), afterExpansion, forbidLeadingExpansion, forbidTrailingExpansion, forceLeadingExpansion, forceTrailingExpansion);
>                         if (expandLeft) {
>                             m_expansion -= m_expansionPerOpportunity;
>                             // Increase previous width
>Index: Source/WebCore/platform/graphics/PathUtilities.cpp
>===================================================================
>--- Source/WebCore/platform/graphics/PathUtilities.cpp	(revision 246957)
>+++ Source/WebCore/platform/graphics/PathUtilities.cpp	(working copy)
>@@ -580,14 +580,10 @@ Path PathUtilities::pathWithShrinkWrappe
>             continue;
>         }
>         }
>-        FloatPoint startPoint;
>-        FloatPoint endPoint;
>-        std::tie(startPoint, endPoint) = startAndEndPointsForCorner(fromEdge, toEdge, radius);
>+        auto [startPoint, endPoint] = startAndEndPointsForCorner(fromEdge, toEdge, radius);
>         moveOrAddLineTo(startPoint);
> 
>-        FloatPoint cp1;
>-        FloatPoint cp2;
>-        std::tie(cp1, cp2) = controlPointsForBezierCurve(corner, fromEdge, toEdge, radius);
>+        auto [cp1, cp2] = controlPointsForBezierCurve(corner, fromEdge, toEdge, radius);
>         path.addBezierCurveTo(cp1, cp2, endPoint);
>     }
>     path.closeSubpath();
>Index: Source/WebCore/platform/graphics/WidthIterator.cpp
>===================================================================
>--- Source/WebCore/platform/graphics/WidthIterator.cpp	(revision 246957)
>+++ Source/WebCore/platform/graphics/WidthIterator.cpp	(working copy)
>@@ -276,8 +276,7 @@ inline unsigned WidthIterator::advanceIn
>             if (treatAsSpace || ideograph || forceLeadingExpansion || forceTrailingExpansion) {
>                 // Distribute the run's total expansion evenly over all expansion opportunities in the run.
>                 if (m_expansion) {
>-                    bool expandLeft, expandRight;
>-                    std::tie(expandLeft, expandRight) = expansionLocation(ideograph, treatAsSpace, m_run.ltr(), m_isAfterExpansion, forbidLeadingExpansion, forbidTrailingExpansion, forceLeadingExpansion, forceTrailingExpansion);
>+                    auto [expandLeft, expandRight] = expansionLocation(ideograph, treatAsSpace, m_run.ltr(), m_isAfterExpansion, forbidLeadingExpansion, forbidTrailingExpansion, forceLeadingExpansion, forceTrailingExpansion);
>                     if (expandLeft) {
>                         if (m_run.ltr()) {
>                             // Increase previous width
>Index: Source/WebCore/platform/graphics/cocoa/FontCacheCoreText.cpp
>===================================================================
>--- Source/WebCore/platform/graphics/cocoa/FontCacheCoreText.cpp	(revision 246957)
>+++ Source/WebCore/platform/graphics/cocoa/FontCacheCoreText.cpp	(working copy)
>@@ -1308,8 +1308,7 @@ std::unique_ptr<FontPlatformData> FontCa
>     if (fontDescription.shouldAllowUserInstalledFonts() == AllowUserInstalledFonts::No)
>         m_seenFamiliesForPrewarming.add(FontCascadeDescription::foldedFamilyName(family));
> 
>-    bool syntheticBold, syntheticOblique;
>-    std::tie(syntheticBold, syntheticOblique) = computeNecessarySynthesis(font.get(), fontDescription).boldObliquePair();
>+    auto [syntheticBold, syntheticOblique] = computeNecessarySynthesis(font.get(), fontDescription).boldObliquePair();
> 
>     return std::make_unique<FontPlatformData>(font.get(), size, syntheticBold, syntheticOblique, fontDescription.orientation(), fontDescription.widthVariant(), fontDescription.textRenderingMode());
> }
>@@ -1409,8 +1408,7 @@ RefPtr<Font> FontCache::systemFallbackFo
>     // font pointer.
>     CTFontRef substituteFont = fallbackDedupSet().add(result).iterator->get();
> 
>-    bool syntheticBold, syntheticOblique;
>-    std::tie(syntheticBold, syntheticOblique) = computeNecessarySynthesis(substituteFont, description, isForPlatformFont == IsForPlatformFont::Yes).boldObliquePair();
>+    auto [syntheticBold, syntheticOblique] = computeNecessarySynthesis(substituteFont, description, isForPlatformFont == IsForPlatformFont::Yes).boldObliquePair();
> 
>     FontPlatformData alternateFont(substituteFont, platformData.size(), syntheticBold, syntheticOblique, platformData.orientation(), platformData.widthVariant(), platformData.textRenderingMode());
> 
>@@ -1546,8 +1544,7 @@ Ref<Font> FontCache::lastResortFallbackF
>     // a thin wrapper around a GraphicsFont which represents LastResort.
>     auto font = adoptCF(CTFontCreateWithName(CFSTR("Helvetica"), fontDescription.computedPixelSize(), nullptr));
> #endif
>-    bool syntheticBold, syntheticOblique;
>-    std::tie(syntheticBold, syntheticOblique) = computeNecessarySynthesis(font.get(), fontDescription).boldObliquePair();
>+    auto [syntheticBold, syntheticOblique] = computeNecessarySynthesis(font.get(), fontDescription).boldObliquePair();
>     FontPlatformData platformData(font.get(), fontDescription.computedPixelSize(), syntheticBold, syntheticOblique, fontDescription.orientation(), fontDescription.widthVariant(), fontDescription.textRenderingMode());
>     return fontForPlatformData(platformData);
> }
>Index: Source/WebCore/platform/graphics/cocoa/FontFamilySpecificationCoreText.cpp
>===================================================================
>--- Source/WebCore/platform/graphics/cocoa/FontFamilySpecificationCoreText.cpp	(revision 246957)
>+++ Source/WebCore/platform/graphics/cocoa/FontFamilySpecificationCoreText.cpp	(working copy)
>@@ -110,8 +110,7 @@ FontRanges FontFamilySpecificationCoreTe
> 
>         font = preparePlatformFont(font.get(), fontDescription, nullptr, nullptr, { });
> 
>-        bool syntheticBold, syntheticOblique;
>-        std::tie(syntheticBold, syntheticOblique) = computeNecessarySynthesis(fontForSynthesisComputation.get(), fontDescription).boldObliquePair();
>+        auto [syntheticBold, syntheticOblique] = computeNecessarySynthesis(fontForSynthesisComputation.get(), fontDescription).boldObliquePair();
> 
>         return std::make_unique<FontPlatformData>(font.get(), size, false, syntheticOblique, fontDescription.orientation(), fontDescription.widthVariant(), fontDescription.textRenderingMode());
>     }).iterator->value;
>Index: Source/WebCore/platform/network/SocketStreamHandleImpl.cpp
>===================================================================
>--- Source/WebCore/platform/network/SocketStreamHandleImpl.cpp	(revision 246957)
>+++ Source/WebCore/platform/network/SocketStreamHandleImpl.cpp	(working copy)
>@@ -82,9 +82,7 @@ static Optional<std::pair<Vector<uint8_t
>     if (!networkStorageSession)
>         return WTF::nullopt;
>     
>-    String cookieDataString;
>-    bool secureCookiesAccessed = false;
>-    std::tie(cookieDataString, secureCookiesAccessed) = networkStorageSession->cookieRequestHeaderFieldValue(headerFieldProxy);
>+    auto [cookieDataString, secureCookiesAccessed] = networkStorageSession->cookieRequestHeaderFieldValue(headerFieldProxy);
>     if (cookieDataString.isEmpty())
>         return std::pair<Vector<uint8_t>, bool> { { }, secureCookiesAccessed };
> 
>Index: Source/WebCore/rendering/InlineTextBox.cpp
>===================================================================
>--- Source/WebCore/rendering/InlineTextBox.cpp	(revision 246957)
>+++ Source/WebCore/rendering/InlineTextBox.cpp	(working copy)
>@@ -180,9 +180,7 @@ RenderObject::SelectionState InlineTextB
>     if (m_truncation != cNoTruncation && root().ellipsisBox()) {
>         EllipsisBox* ellipsis = root().ellipsisBox();
>         if (state != RenderObject::SelectionNone) {
>-            unsigned selectionStart;
>-            unsigned selectionEnd;
>-            std::tie(selectionStart, selectionEnd) = selectionStartEnd();
>+            auto [selectionStart, selectionEnd] = selectionStartEnd();
>             // The ellipsis should be considered to be selected if the end of
>             // the selection is past the beginning of the truncation and the
>             // beginning of the selection is before or at the beginning of the
>@@ -438,9 +436,7 @@ struct InlineTextBox::StyledMarkedText :
> 
> static MarkedText createMarkedTextFromSelectionInBox(const InlineTextBox& box)
> {
>-    unsigned selectionStart;
>-    unsigned selectionEnd;
>-    std::tie(selectionStart, selectionEnd) = box.selectionStartEnd();
>+    auto [selectionStart, selectionEnd] = box.selectionStartEnd();
>     if (selectionStart < selectionEnd)
>         return { selectionStart, selectionEnd, MarkedText::Selection };
>     return { };
>Index: Source/WebCore/rendering/svg/SVGInlineTextBox.cpp
>===================================================================
>--- Source/WebCore/rendering/svg/SVGInlineTextBox.cpp	(revision 246957)
>+++ Source/WebCore/rendering/svg/SVGInlineTextBox.cpp	(working copy)
>@@ -202,9 +202,7 @@ void SVGInlineTextBox::paintSelectionBac
> 
>     auto& style = parentRenderer.style();
> 
>-    unsigned startPosition;
>-    unsigned endPosition;
>-    std::tie(startPosition, endPosition) = selectionStartEnd();
>+    auto [startPosition, endPosition] = selectionStartEnd();
> 
>     unsigned fragmentStartPosition = 0;
>     unsigned fragmentEndPosition = 0;
>Index: Source/WebCore/style/StyleResolveForDocument.cpp
>===================================================================
>--- Source/WebCore/style/StyleResolveForDocument.cpp	(revision 246957)
>+++ Source/WebCore/style/StyleResolveForDocument.cpp	(working copy)
>@@ -117,9 +117,7 @@ RenderStyle resolveForDocument(const Doc
>     bool useSVGZoomRules = document.isSVGDocument();
>     fontDescription.setComputedSize(computedFontSizeFromSpecifiedSize(size, fontDescription.isAbsoluteSize(), useSVGZoomRules, &documentStyle, document));
> 
>-    FontOrientation fontOrientation;
>-    NonCJKGlyphOrientation glyphOrientation;
>-    std::tie(fontOrientation, glyphOrientation) = documentStyle.fontAndGlyphOrientation();
>+    auto [fontOrientation, glyphOrientation] = documentStyle.fontAndGlyphOrientation();
>     fontDescription.setOrientation(fontOrientation);
>     fontDescription.setNonCJKGlyphOrientation(glyphOrientation);
> 
>Index: Source/WebCore/svg/animation/SVGSMILElement.cpp
>===================================================================
>--- Source/WebCore/svg/animation/SVGSMILElement.cpp	(revision 246957)
>+++ Source/WebCore/svg/animation/SVGSMILElement.cpp	(working copy)
>@@ -219,8 +219,7 @@ inline QualifiedName SVGSMILElement::con
>     if (parseResult.hasException())
>         return anyQName();
> 
>-    AtomString prefix, localName;
>-    std::tie(prefix, localName) = parseResult.releaseReturnValue();
>+    auto [prefix, localName] = parseResult.releaseReturnValue();
> 
>     if (prefix.isNull())
>         return { nullAtom(), localName, nullAtom() };
>Index: Source/WebKit/ChangeLog
>===================================================================
>--- Source/WebKit/ChangeLog	(revision 246957)
>+++ Source/WebKit/ChangeLog	(working copy)
>@@ -1,3 +1,61 @@
>+2019-06-26  Sam Weinig  <weinig@apple.com>
>+
>+        Adopt simple structured bindings in more places
>+        https://bugs.webkit.org/show_bug.cgi?id=199247
>+
>+        Reviewed by NOBODY (OOPS!).
>+
>+        Replaces simple uses of std::tie() with structured bindings. Does not touch
>+        uses of std::tie() that are not initial declarations or use std::ignore, as
>+        structured bindings don't work for those cases yet.
>+
>+        * NetworkProcess/cache/NetworkCacheSpeculativeLoadManager.cpp:
>+        (WebKit::NetworkCache::printSpeculativeLoadingDiagnosticMessageCounts):
>+        * NetworkProcess/cache/PrefetchCache.cpp:
>+        (WebKit::PrefetchCache::clearExpiredEntries):
>+        * Platform/IPC/MessageReceiverMap.cpp:
>+        (IPC::MessageReceiverMap::removeMessageReceiver):
>+        * UIProcess/Cocoa/PlaybackSessionManagerProxy.mm:
>+        (WebKit::PlaybackSessionManagerProxy::invalidate):
>+        * UIProcess/Cocoa/VideoFullscreenManagerProxy.mm:
>+        (WebKit::VideoFullscreenManagerProxy::invalidate):
>+        (WebKit::VideoFullscreenManagerProxy::requestHideAndExitFullscreen):
>+        (WebKit::VideoFullscreenManagerProxy::hasMode const):
>+        (WebKit::VideoFullscreenManagerProxy::mayAutomaticallyShowVideoPictureInPicture const):
>+        (VideoFullscreenManagerProxy::isPlayingVideoInEnhancedFullscreen const):
>+        * UIProcess/ios/SmartMagnificationController.mm:
>+        (WebKit::SmartMagnificationController::zoomFactorForTargetRect):
>+        (WebKit::SmartMagnificationController::didCollectGeometryForSmartMagnificationGesture):
>+        (WebKit::SmartMagnificationController::magnify):
>+        * WebProcess/Plugins/PDF/PDFPlugin.mm:
>+        (WebKit:: const):
>+        * WebProcess/WebPage/Cocoa/WebPageCocoa.mm:
>+        (WebKit::WebPage::performDictionaryLookupAtLocation):
>+        (WebKit::WebPage::performDictionaryLookupForSelection):
>+        (WebKit::WebPage::performDictionaryLookupOfCurrentSelection): Deleted.
>+        (WebKit::WebPage::performDictionaryLookupForRange): Deleted.
>+        (WebKit::WebPage::dictionaryPopupInfoForRange): Deleted.
>+        (WebKit::WebPage::accessibilityTransferRemoteToken): Deleted.
>+        (WebKit::WebPage::paymentCoordinator): Deleted.
>+        (WebKit::WebPage::getContentsAsAttributedString): Deleted.
>+        (WebKit::WebPage::setRemoteObjectRegistry): Deleted.
>+        (WebKit::WebPage::updateMockAccessibilityElementAfterCommittingLoad): Deleted.
>+        * WebProcess/cocoa/PlaybackSessionManager.mm:
>+        (WebKit::PlaybackSessionManager::~PlaybackSessionManager):
>+        (WebKit::PlaybackSessionManager::removeContext):
>+        * WebProcess/cocoa/VideoFullscreenManager.mm:
>+        (WebKit::VideoFullscreenManager::~VideoFullscreenManager):
>+        (WebKit::VideoFullscreenManager::removeContext):
>+        (WebKit::VideoFullscreenManager::enterVideoFullscreenForVideoElement):
>+        (WebKit::VideoFullscreenManager::requestVideoContentLayer):
>+        (WebKit::VideoFullscreenManager::returnVideoContentLayer):
>+        (WebKit::VideoFullscreenManager::didSetupFullscreen):
>+        (WebKit::VideoFullscreenManager::willExitFullscreen):
>+        (WebKit::VideoFullscreenManager::didEnterFullscreen):
>+        (WebKit::VideoFullscreenManager::didExitFullscreen):
>+        (WebKit::VideoFullscreenManager::didCleanupFullscreen):
>+        (WebKit::VideoFullscreenManager::setVideoLayerFrameFenced):
>+
> 2019-06-30  Basuke Suzuki  <Basuke.Suzuki@sony.com>
> 
>         Pass WebProcess information to platformInitializeWebProcess().
>Index: Source/WebKit/NetworkProcess/cache/NetworkCacheSpeculativeLoadManager.cpp
>===================================================================
>--- Source/WebKit/NetworkProcess/cache/NetworkCacheSpeculativeLoadManager.cpp	(revision 246957)
>+++ Source/WebKit/NetworkProcess/cache/NetworkCacheSpeculativeLoadManager.cpp	(working copy)
>@@ -59,8 +59,8 @@ static HashCountedSet<String>& allSpecul
> static void printSpeculativeLoadingDiagnosticMessageCounts()
> {
>     LOG(NetworkCacheSpeculativePreloading, "-- Speculative loading statistics --");
>-    for (auto& pair : allSpeculativeLoadingDiagnosticMessages())
>-        LOG(NetworkCacheSpeculativePreloading, "%s: %u", pair.key.utf8().data(), pair.value);
>+    for (auto& [message, count] : allSpeculativeLoadingDiagnosticMessages())
>+        LOG(NetworkCacheSpeculativePreloading, "%s: %u", message.utf8().data(), count);
> }
> #endif
> 
>Index: Source/WebKit/NetworkProcess/cache/PrefetchCache.cpp
>===================================================================
>--- Source/WebKit/NetworkProcess/cache/PrefetchCache.cpp	(revision 246957)
>+++ Source/WebKit/NetworkProcess/cache/PrefetchCache.cpp	(working copy)
>@@ -96,11 +96,9 @@ void PrefetchCache::storeRedirect(const 
> 
> void PrefetchCache::clearExpiredEntries()
> {
>-    URL requestUrl;
>-    WallTime timestamp;
>     auto timeout = WallTime::now();
>     while (!m_sessionExpirationList.isEmpty()) {
>-        std::tie(requestUrl, timestamp) = m_sessionExpirationList.first();
>+        auto [requestUrl, timestamp] = m_sessionExpirationList.first();
>         auto* resources = m_sessionPrefetches.get();
>         ASSERT(resources);
>         ASSERT(resources->contains(requestUrl));
>Index: Source/WebKit/Platform/IPC/MessageReceiverMap.cpp
>===================================================================
>--- Source/WebKit/Platform/IPC/MessageReceiverMap.cpp	(revision 246957)
>+++ Source/WebKit/Platform/IPC/MessageReceiverMap.cpp	(working copy)
>@@ -80,22 +80,22 @@ void MessageReceiverMap::removeMessageRe
> void MessageReceiverMap::removeMessageReceiver(MessageReceiver& messageReceiver)
> {
>     Vector<StringReference> globalReceiversToRemove;
>-    for (auto& nameAndReceiver : m_globalMessageReceivers) {
>-        if (nameAndReceiver.value == &messageReceiver)
>-            globalReceiversToRemove.append(nameAndReceiver.key);
>+    for (auto& [name, receiver] : m_globalMessageReceivers) {
>+        if (receiver == &messageReceiver)
>+            globalReceiversToRemove.append(name);
>     }
> 
>     for (auto& globalReceiverToRemove : globalReceiversToRemove)
>         removeMessageReceiver(globalReceiverToRemove);
> 
>     Vector<std::pair<StringReference, uint64_t>> receiversToRemove;
>-    for (auto& nameAndIdAndReceiver : m_messageReceivers) {
>-        if (nameAndIdAndReceiver.value == &messageReceiver)
>-            receiversToRemove.append(std::make_pair(nameAndIdAndReceiver.key.first, nameAndIdAndReceiver.key.second));
>+    for (auto& [nameAndDestinationID, receiver] : m_messageReceivers) {
>+        if (receiver == &messageReceiver)
>+            receiversToRemove.append(std::make_pair(nameAndDestinationID.first, nameAndDestinationID.second));
>     }
> 
>-    for (auto& receiverToRemove : receiversToRemove)
>-        removeMessageReceiver(receiverToRemove.first, receiverToRemove.second);
>+    for (auto& [name, destinationID] : receiversToRemove)
>+        removeMessageReceiver(name, destinationID);
> }
> 
> void MessageReceiverMap::invalidate()
>Index: Source/WebKit/UIProcess/Cocoa/PlaybackSessionManagerProxy.mm
>===================================================================
>--- Source/WebKit/UIProcess/Cocoa/PlaybackSessionManagerProxy.mm	(revision 246957)
>+++ Source/WebKit/UIProcess/Cocoa/PlaybackSessionManagerProxy.mm	(working copy)
>@@ -320,13 +320,8 @@ void PlaybackSessionManagerProxy::invali
>     auto contextMap = WTFMove(m_contextMap);
>     m_clientCounts.clear();
> 
>-    for (auto& tuple : contextMap.values()) {
>-        RefPtr<PlaybackSessionModelContext> model;
>-        RefPtr<PlatformPlaybackSessionInterface> interface;
>-        std::tie(model, interface) = tuple;
>-
>+    for (auto& [model, interface] : contextMap.values())
>         interface->invalidate();
>-    }
> }
> 
> PlaybackSessionManagerProxy::ModelInterfaceTuple PlaybackSessionManagerProxy::createModelAndInterface(uint64_t contextId)
>Index: Source/WebKit/UIProcess/Cocoa/VideoFullscreenManagerProxy.mm
>===================================================================
>--- Source/WebKit/UIProcess/Cocoa/VideoFullscreenManagerProxy.mm	(revision 246957)
>+++ Source/WebKit/UIProcess/Cocoa/VideoFullscreenManagerProxy.mm	(working copy)
>@@ -343,11 +343,7 @@ void VideoFullscreenManagerProxy::invali
>     auto contextMap = WTFMove(m_contextMap);
>     m_clientCounts.clear();
> 
>-    for (auto& tuple : contextMap.values()) {
>-        RefPtr<VideoFullscreenModelContext> model;
>-        RefPtr<PlatformVideoFullscreenInterface> interface;
>-        std::tie(model, interface) = tuple;
>-
>+    for (auto& [model, interface] : contextMap.values()) {
>         interface->invalidate();
>         [model->layerHostView() removeFromSuperview];
>         model->setLayerHostView(nullptr);
>@@ -356,14 +352,14 @@         interface->invalidate();
> 
> void VideoFullscreenManagerProxy::requestHideAndExitFullscreen()
> {
>-    for (auto& tuple : m_contextMap.values())
>-        std::get<1>(tuple)->requestHideAndExitFullscreen();
>+    for (auto& [model, interface] : m_contextMap.values())
>+        interface->requestHideAndExitFullscreen();
> }
> 
> bool VideoFullscreenManagerProxy::hasMode(HTMLMediaElementEnums::VideoFullscreenMode mode) const
> {
>-    for (auto& tuple : m_contextMap.values()) {
>-        if (std::get<1>(tuple)->hasMode(mode))
>+    for (auto& [model, interface] : m_contextMap.values()) {
>+        if (interface->hasMode(mode))
>             return true;
>     }
>     return false;
>@@ -371,8 +367,8 @@ bool VideoFullscreenManagerProxy::hasMod
> 
> bool VideoFullscreenManagerProxy::mayAutomaticallyShowVideoPictureInPicture() const
> {
>-    for (auto& tuple : m_contextMap.values()) {
>-        if (std::get<1>(tuple)->mayAutomaticallyShowVideoPictureInPicture())
>+    for (auto& [model, interface] : m_contextMap.values()) {
>+        if (interface->mayAutomaticallyShowVideoPictureInPicture())
>             return true;
>     }
>     return false;
>@@ -381,8 +377,8 @@ bool VideoFullscreenManagerProxy::mayAut
> #if ENABLE(VIDEO_PRESENTATION_MODE)
> bool VideoFullscreenManagerProxy::isPlayingVideoInEnhancedFullscreen() const
> {
>-    for (auto& tuple : m_contextMap.values()) {
>-        if (std::get<1>(tuple)->isPlayingVideoInEnhancedFullscreen())
>+    for (auto& [model, interface] : m_contextMap.values()) {
>+        if (interface->isPlayingVideoInEnhancedFullscreen())
>             return true;
>     }
>     
>@@ -399,8 +395,8 @@ PlatformVideoFullscreenInterface* VideoF
> 
> void VideoFullscreenManagerProxy::applicationDidBecomeActive()
> {
>-    for (auto& tuple : m_contextMap.values())
>-        std::get<1>(tuple)->applicationDidBecomeActive();
>+    for (auto& [model, interface] : m_contextMap.values())
>+        interface->applicationDidBecomeActive();
> }
> 
> void VideoFullscreenManagerProxy::requestRouteSharingPolicyAndContextUID(uint64_t contextId, CompletionHandler<void(WebCore::RouteSharingPolicy, String)>&& callback)
>@@ -497,10 +493,8 @@ void VideoFullscreenManagerProxy::setupF
>     MESSAGE_CHECK_CONTEXTID(contextId);
> 
>     ASSERT(videoLayerID);
>-    RefPtr<VideoFullscreenModelContext> model;
>-    RefPtr<PlatformVideoFullscreenInterface> interface;
> 
>-    std::tie(model, interface) = ensureModelAndInterface(contextId);
>+    auto& [model, interface] = ensureModelAndInterface(contextId);
>     addClientForContext(contextId);
> 
>     RetainPtr<WKLayerHostView> view = static_cast<WKLayerHostView*>(model->layerHostView());
>@@ -686,10 +680,7 @@ void VideoFullscreenManagerProxy::didEnt
> 
> void VideoFullscreenManagerProxy::didCleanupFullscreen(uint64_t contextId)
> {
>-    RefPtr<VideoFullscreenModelContext> model;
>-    RefPtr<PlatformVideoFullscreenInterface> interface;
>-
>-    std::tie(model, interface) = ensureModelAndInterface(contextId);
>+    auto& [model, interface] = ensureModelAndInterface(contextId);
> 
>     [CATransaction flush];
>     [model->layerHostView() removeFromSuperview];
>Index: Source/WebKit/UIProcess/ios/SmartMagnificationController.mm
>===================================================================
>--- Source/WebKit/UIProcess/ios/SmartMagnificationController.mm	(revision 246957)
>+++ Source/WebKit/UIProcess/ios/SmartMagnificationController.mm	(working copy)
>@@ -97,10 +97,7 @@ double SmartMagnificationController::zoo
> {
>     // FIXME: Share some of this code with didCollectGeometryForSmartMagnificationGesture?
> 
>-    FloatRect adjustedTargetRect;
>-    double minimumScale = viewportMinimumScale;
>-    double maximumScale = viewportMaximumScale;
>-    std::tie(adjustedTargetRect, minimumScale, maximumScale) = smartMagnificationTargetRectAndZoomScales(targetRect, viewportMinimumScale, viewportMaximumScale, !fitEntireRect);
>+    auto [adjustedTargetRect, minimumScale, maximumScale] = smartMagnificationTargetRectAndZoomScales(targetRect, viewportMinimumScale, viewportMaximumScale, !fitEntireRect);
> 
>     double currentScale = [m_contentView _contentZoomScale];
>     double targetScale = [m_contentView _targetContentZoomScaleForRect:adjustedTargetRect currentScale:currentScale fitEntireRect:fitEntireRect minimumScale:minimumScale maximumScale:maximumScale];
>@@ -118,10 +115,7 @@ void SmartMagnificationController::didCo
>         [m_contentView _zoomToInitialScaleWithOrigin:origin];
>         return;
>     }
>-    FloatRect adjustedTargetRect;
>-    double minimumScale = viewportMinimumScale;
>-    double maximumScale = viewportMaximumScale;
>-    std::tie(adjustedTargetRect, minimumScale, maximumScale) = smartMagnificationTargetRectAndZoomScales(targetRect, viewportMinimumScale, viewportMaximumScale, !fitEntireRect);
>+    auto [adjustedTargetRect, minimumScale, maximumScale] = smartMagnificationTargetRectAndZoomScales(targetRect, viewportMinimumScale, viewportMaximumScale, !fitEntireRect);
> 
>     // FIXME: Check if text selection wants to consume the double tap before we attempt magnification.
> 
>@@ -147,10 +141,7 @@ void SmartMagnificationController::didCo
> 
> void SmartMagnificationController::magnify(FloatPoint origin, FloatRect targetRect, FloatRect visibleContentRect, double viewportMinimumScale, double viewportMaximumScale)
> {
>-    FloatRect adjustedTargetRect;
>-    double maximumScale = viewportMaximumScale;
>-    double minimumScale = viewportMinimumScale;
>-    std::tie(adjustedTargetRect, minimumScale, maximumScale) = smartMagnificationTargetRectAndZoomScales(targetRect, viewportMinimumScale, viewportMaximumScale, true);
>+    auto [adjustedTargetRect, minimumScale, maximumScale] = smartMagnificationTargetRectAndZoomScales(targetRect, viewportMinimumScale, viewportMaximumScale, true);
> 
>     [m_contentView _zoomToRect:adjustedTargetRect withOrigin:origin fitEntireRect:NO minimumScale:minimumScale maximumScale:maximumScale minimumScrollDistance:0];
> }
>Index: Source/WebKit/WebProcess/Plugins/PDF/PDFPlugin.mm
>===================================================================
>--- Source/WebKit/WebProcess/Plugins/PDF/PDFPlugin.mm	(revision 246957)
>+++ Source/WebKit/WebProcess/Plugins/PDF/PDFPlugin.mm	(working copy)
>@@ -2094,9 +2094,7 @@ std::tuple<String, PDFSelection *, NSDic
>         return { selection.string, selection, nil };
>     }
> 
>-    NSString *lookupText;
>-    NSDictionary *options;
>-    std::tie(lookupText, options) = DictionaryLookup::stringForPDFSelection(selection);
>+    auto [lookupText, options] = DictionaryLookup::stringForPDFSelection(selection);
>     if (!lookupText.length)
>         return { emptyString(), selection, nil };
> 
>Index: Source/WebKit/WebProcess/WebPage/Cocoa/WebPageCocoa.mm
>===================================================================
>--- Source/WebKit/WebProcess/WebPage/Cocoa/WebPageCocoa.mm	(revision 246957)
>+++ Source/WebKit/WebProcess/WebPage/Cocoa/WebPageCocoa.mm	(working copy)
>@@ -85,9 +85,7 @@ void WebPage::performDictionaryLookupAtL
>     
>     // Find the frame the point is over.
>     HitTestResult result = m_page->mainFrame().eventHandler().hitTestResultAtPoint(m_page->mainFrame().view()->windowToContents(roundedIntPoint(floatPoint)));
>-    RefPtr<Range> range;
>-    NSDictionary *options;
>-    std::tie(range, options) = DictionaryLookup::rangeAtHitTestResult(result);
>+    auto [range, options] = DictionaryLookup::rangeAtHitTestResult(result);
>     if (!range)
>         return;
>     
>@@ -100,9 +98,7 @@ void WebPage::performDictionaryLookupAtL
> 
> void WebPage::performDictionaryLookupForSelection(Frame& frame, const VisibleSelection& selection, TextIndicatorPresentationTransition presentationTransition)
> {
>-    RefPtr<Range> selectedRange;
>-    NSDictionary *options;
>-    std::tie(selectedRange, options) = DictionaryLookup::rangeForSelection(selection);
>+    auto [selectedRange, options] = DictionaryLookup::rangeForSelection(selection);
>     if (selectedRange)
>         performDictionaryLookupForRange(frame, *selectedRange, options, presentationTransition);
> }
>Index: Source/WebKit/WebProcess/cocoa/PlaybackSessionManager.mm
>===================================================================
>--- Source/WebKit/WebProcess/cocoa/PlaybackSessionManager.mm	(revision 246957)
>+++ Source/WebKit/WebProcess/cocoa/PlaybackSessionManager.mm	(working copy)
>@@ -175,10 +175,7 @@ PlaybackSessionManager::PlaybackSessionM
> 
> PlaybackSessionManager::~PlaybackSessionManager()
> {
>-    for (auto& tuple : m_contextMap.values()) {
>-        RefPtr<PlaybackSessionModelMediaElement> model;
>-        RefPtr<PlaybackSessionInterfaceContext> interface;
>-        std::tie(model, interface) = tuple;
>+    for (auto& [model, interface] : m_contextMap.values()) {
>         model->removeClient(*interface);
>         model->setMediaElement(nullptr);
> 
>@@ -229,9 +226,7 @@ PlaybackSessionInterfaceContext& Playbac
> 
> void PlaybackSessionManager::removeContext(uint64_t contextId)
> {
>-    RefPtr<PlaybackSessionModelMediaElement> model;
>-    RefPtr<PlaybackSessionInterfaceContext> interface;
>-    std::tie(model, interface) = ensureModelAndInterface(contextId);
>+    auto& [model, interface] = ensureModelAndInterface(contextId);
> 
>     RefPtr<HTMLMediaElement> mediaElement = model->mediaElement();
>     model->setMediaElement(nullptr);
>Index: Source/WebKit/WebProcess/cocoa/VideoFullscreenManager.mm
>===================================================================
>--- Source/WebKit/WebProcess/cocoa/VideoFullscreenManager.mm	(revision 246957)
>+++ Source/WebKit/WebProcess/cocoa/VideoFullscreenManager.mm	(working copy)
>@@ -122,11 +122,7 @@ VideoFullscreenManager::VideoFullscreenM
> 
> VideoFullscreenManager::~VideoFullscreenManager()
> {
>-    for (auto& tuple : m_contextMap.values()) {
>-        RefPtr<VideoFullscreenModelVideoElement> model;
>-        RefPtr<VideoFullscreenInterfaceContext> interface;
>-        std::tie(model, interface) = tuple;
>-
>+    for (auto& [model, interface] : m_contextMap.values()) {
>         model->setVideoElement(nullptr);
>         model->removeClient(*interface);
> 
>@@ -180,9 +176,7 @@ VideoFullscreenInterfaceContext& VideoFu
> 
> void VideoFullscreenManager::removeContext(uint64_t contextId)
> {
>-    RefPtr<VideoFullscreenModelVideoElement> model;
>-    RefPtr<VideoFullscreenInterfaceContext> interface;
>-    std::tie(model, interface) = ensureModelAndInterface(contextId);
>+    auto [model, interface] = ensureModelAndInterface(contextId);
> 
>     m_playbackSessionManager->removeClientForContext(contextId);
> 
>@@ -250,9 +244,7 @@ void VideoFullscreenManager::enterVideoF
>     UNUSED_PARAM(addResult);
>     ASSERT(addResult.iterator->value == contextId);
> 
>-    RefPtr<VideoFullscreenModelVideoElement> model;
>-    RefPtr<VideoFullscreenInterfaceContext> interface;
>-    std::tie(model, interface) = ensureModelAndInterface(contextId);
>+    auto [model, interface] = ensureModelAndInterface(contextId);
>     addClientForContext(contextId);
>     if (!interface->layerHostingContext())
>         interface->setLayerHostingContext(LayerHostingContext::createForExternalHostingProcess());
>@@ -369,9 +361,7 @@ void VideoFullscreenManager::requestUpda
> 
> void VideoFullscreenManager::requestVideoContentLayer(uint64_t contextId)
> {
>-    RefPtr<VideoFullscreenModelVideoElement> model;
>-    RefPtr<VideoFullscreenInterfaceContext> interface;
>-    std::tie(model, interface) = ensureModelAndInterface(contextId);
>+    auto [model, interface] = ensureModelAndInterface(contextId);
> 
>     CALayer* videoLayer = interface->layerHostingContext()->rootLayer();
> 
>@@ -385,9 +375,7 @@     CALayer* videoLayer = interface->lay
> 
> void VideoFullscreenManager::returnVideoContentLayer(uint64_t contextId)
> {
>-    RefPtr<VideoFullscreenModelVideoElement> model;
>-    RefPtr<VideoFullscreenInterfaceContext> interface;
>-    std::tie(model, interface) = ensureModelAndInterface(contextId);
>+    auto [model, interface] = ensureModelAndInterface(contextId);
> 
>     model->waitForPreparedForInlineThen([protectedThis = makeRefPtr(this), this, contextId, model] () mutable { // need this for return video layer
>         dispatch_async(dispatch_get_main_queue(), [protectedThis = WTFMove(protectedThis), this, contextId, model] () mutable {
>@@ -406,9 +394,7 @@ void VideoFullscreenManager::didSetupFul
>     LOG(Fullscreen, "VideoFullscreenManager::didSetupFullscreen(%p, %x)", this, contextId);
> 
>     ASSERT(m_page);
>-    RefPtr<VideoFullscreenModelVideoElement> model;
>-    RefPtr<VideoFullscreenInterfaceContext> interface;
>-    std::tie(model, interface) = ensureModelAndInterface(contextId);
>+    auto [model, interface] = ensureModelAndInterface(contextId);
> 
> #if PLATFORM(IOS_FAMILY)
>     dispatch_async(dispatch_get_main_queue(), [protectedThis = makeRefPtr(this), this, contextId] {
>@@ -431,9 +417,7 @@ void VideoFullscreenManager::willExitFul
> {
>     LOG(Fullscreen, "VideoFullscreenManager::willExitFullscreen(%p, %x)", this, contextId);
> 
>-    RefPtr<VideoFullscreenModelVideoElement> model;
>-    RefPtr<VideoFullscreenInterfaceContext> interface;
>-    std::tie(model, interface) = ensureModelAndInterface(contextId);
>+    auto [model, interface] = ensureModelAndInterface(contextId);
> 
>     RefPtr<HTMLVideoElement> videoElement = model->videoElement();
>     if (!videoElement)
>@@ -450,9 +434,7 @@ void VideoFullscreenManager::didEnterFul
> {
>     LOG(Fullscreen, "VideoFullscreenManager::didEnterFullscreen(%p, %x)", this, contextId);
> 
>-    RefPtr<VideoFullscreenModelVideoElement> model;
>-    RefPtr<VideoFullscreenInterfaceContext> interface;
>-    std::tie(model, interface) = ensureModelAndInterface(contextId);
>+    auto [model, interface] = ensureModelAndInterface(contextId);
> 
>     interface->setIsAnimating(false);
>     interface->setIsFullscreen(false);
>@@ -479,9 +461,7 @@ void VideoFullscreenManager::didExitFull
> {
>     LOG(Fullscreen, "VideoFullscreenManager::didExitFullscreen(%p, %x)", this, contextId);
> 
>-    RefPtr<VideoFullscreenModelVideoElement> model;
>-    RefPtr<VideoFullscreenInterfaceContext> interface;
>-    std::tie(model, interface) = ensureModelAndInterface(contextId);
>+    auto [model, interface] = ensureModelAndInterface(contextId);
> 
> #if PLATFORM(IOS_FAMILY)
>     dispatch_async(dispatch_get_main_queue(), [protectedThis = makeRefPtr(this), contextId, interface] {
>@@ -510,9 +490,7 @@ void VideoFullscreenManager::didCleanupF
> {
>     LOG(Fullscreen, "VideoFullscreenManager::didCleanupFullscreen(%p, %x)", this, contextId);
> 
>-    RefPtr<VideoFullscreenModelVideoElement> model;
>-    RefPtr<VideoFullscreenInterfaceContext> interface;
>-    std::tie(model, interface) = ensureModelAndInterface(contextId);
>+    auto [model, interface] = ensureModelAndInterface(contextId);
> 
>     if (interface->layerHostingContext()) {
>         interface->layerHostingContext()->setRootLayer(nullptr);
>@@ -572,9 +550,7 @@ void VideoFullscreenManager::setVideoLay
>         return;
>     }
> 
>-    RefPtr<VideoFullscreenModelVideoElement> model;
>-    RefPtr<VideoFullscreenInterfaceContext> interface;
>-    std::tie(model, interface) = ensureModelAndInterface(contextId);
>+    auto [model, interface] = ensureModelAndInterface(contextId);
> 
>     if (std::isnan(bounds.x()) || std::isnan(bounds.y()) || std::isnan(bounds.width()) || std::isnan(bounds.height())) {
>         auto videoRect = inlineVideoFrame(*model->videoElement());
>Index: Source/WebKitLegacy/mac/ChangeLog
>===================================================================
>--- Source/WebKitLegacy/mac/ChangeLog	(revision 246957)
>+++ Source/WebKitLegacy/mac/ChangeLog	(working copy)
>@@ -1,3 +1,17 @@
>+2019-06-26  Sam Weinig  <weinig@apple.com>
>+
>+        Adopt simple structured bindings in more places
>+        https://bugs.webkit.org/show_bug.cgi?id=199247
>+
>+        Reviewed by NOBODY (OOPS!).
>+
>+        Replaces simple uses of std::tie() with structured bindings. Does not touch
>+        uses of std::tie() that are not initial declarations or use std::ignore, as
>+        structured bindings don't work for those cases yet.
>+
>+        * WebView/WebImmediateActionController.mm:
>+        (-[WebImmediateActionController _animationControllerForText]):
>+
> 2019-06-28  Timothy Hatcher  <timothy@apple.com>
> 
>         Rename effectiveAppearanceIsInactive and useInactiveAppearance to better match UIUserInterfaceLevel.
>Index: Source/WebKitLegacy/mac/WebView/WebImmediateActionController.mm
>===================================================================
>--- Source/WebKitLegacy/mac/WebView/WebImmediateActionController.mm	(revision 246957)
>+++ Source/WebKitLegacy/mac/WebView/WebImmediateActionController.mm	(working copy)
>@@ -558,9 +558,7 @@ - (id<NSImmediateActionAnimationControll
>     if (!frame)
>         return nil;
> 
>-    RefPtr<Range> dictionaryRange;
>-    NSDictionary *options;
>-    std::tie(dictionaryRange, options) = DictionaryLookup::rangeAtHitTestResult(_hitTestResult);
>+    auto [dictionaryRange, options] = DictionaryLookup::rangeAtHitTestResult(_hitTestResult);
>     if (!dictionaryRange)
>         return nil;
> 
>Index: Tools/ChangeLog
>===================================================================
>--- Tools/ChangeLog	(revision 246957)
>+++ Tools/ChangeLog	(working copy)
>@@ -1,3 +1,19 @@
>+2019-06-26  Sam Weinig  <weinig@apple.com>
>+
>+        Adopt simple structured bindings in more places
>+        https://bugs.webkit.org/show_bug.cgi?id=199247
>+
>+        Reviewed by NOBODY (OOPS!).
>+
>+        Replaces simple uses of std::tie() with structured bindings. Does not touch
>+        uses of std::tie() that are not initial declarations or use std::ignore, as
>+        structured bindings don't work for those cases yet.
>+
>+        * DumpRenderTree/mac/DumpRenderTreeDraggingInfo.mm:
>+        (-[DumpRenderTreeFilePromiseReceiver receivePromisedFilesAtDestination:options:operationQueue:reader:]):
>+        * TestWebKitAPI/ios/PreferredContentMode.mm:
>+        (TestWebKitAPI::TEST):
>+
> 2019-06-28  Robin Morisset  <rmorisset@apple.com>
> 
>         Adding myself as a reviewer to contributors.json.
>Index: Tools/DumpRenderTree/mac/DumpRenderTreeDraggingInfo.mm
>===================================================================
>--- Tools/DumpRenderTree/mac/DumpRenderTreeDraggingInfo.mm	(revision 246957)
>+++ Tools/DumpRenderTree/mac/DumpRenderTreeDraggingInfo.mm	(working copy)
>@@ -122,9 +122,7 @@ - (void)receivePromisedFilesAtDestinatio
>     NSArray<NSURL *> *sourceURLs = _draggingSource.promisedFileURLs;
>     for (NSURL *sourceURL in sourceURLs) {
>         [operationQueue addOperationWithBlock:^{
>-            NSError *error;
>-            NSURL *destinationURL;
>-            std::tie(destinationURL, error) = copyFile(sourceURL, destinationDirectory);
>+            auto [destinationURL, error] = copyFile(sourceURL, destinationDirectory);
>             if (destinationURL) {
>                 dispatch_async(dispatch_get_main_queue(), ^{
>                     [_destinationURLs addObject:destinationURL];
>Index: Tools/TestWebKitAPI/ios/PreferredContentMode.mm
>===================================================================
>--- Tools/TestWebKitAPI/ios/PreferredContentMode.mm	(revision 246957)
>+++ Tools/TestWebKitAPI/ios/PreferredContentMode.mm	(working copy)
>@@ -217,30 +217,32 @@ TEST(PreferredContentMode, SetDefaultWeb
> {
>     IPadUserInterfaceSwizzler iPadUserInterface;
> 
>-    RetainPtr<WKWebView> webView;
>-    RetainPtr<ContentModeNavigationDelegate> delegate;
>-    std::tie(webView, delegate) = setUpWebViewForPreferredContentModeTesting<WKWebView>();
>-    [webView loadHTMLString:@"<pre>Foo</pre>" withPolicyDecisionHandler:^(WKNavigationAction *, WKWebpagePreferences *defaultPreferences, void (^decisionHandler)(WKNavigationActionPolicy, WKWebpagePreferences *)) {
>-        EXPECT_EQ(WKContentModeRecommended, defaultPreferences.preferredContentMode);
>-        decisionHandler(WKNavigationActionPolicyAllow, defaultPreferences);
>-    }];
>-    [[webView navigatorUserAgent] shouldContainStrings:@"Mozilla/5.0 (Mac", @"TestWebKitAPI", nil];
>-    EXPECT_WK_STREQ("MacIntel", [webView navigatorPlatform]);
>-
>-    std::tie(webView, delegate) = setUpWebViewForPreferredContentModeTesting<WKWebView>(WKContentModeDesktop);
>-    [webView loadHTMLString:@"<pre>Bar</pre>" withPolicyDecisionHandler:^(WKNavigationAction *, WKWebpagePreferences *defaultPreferences, void (^decisionHandler)(WKNavigationActionPolicy, WKWebpagePreferences *)) {
>-        EXPECT_EQ(WKContentModeDesktop, defaultPreferences.preferredContentMode);
>-        decisionHandler(WKNavigationActionPolicyAllow, defaultPreferences);
>-    }];
>-    [[webView navigatorUserAgent] shouldContainStrings:@"Mozilla/5.0 (Mac", @"TestWebKitAPI", nil];
>-    EXPECT_WK_STREQ("MacIntel", [webView navigatorPlatform]);
>+    {
>+        auto [webView, delegate] = setUpWebViewForPreferredContentModeTesting<WKWebView>();
>+        [webView loadHTMLString:@"<pre>Foo</pre>" withPolicyDecisionHandler:^(WKNavigationAction *, WKWebpagePreferences *defaultPreferences, void (^decisionHandler)(WKNavigationActionPolicy, WKWebpagePreferences *)) {
>+            EXPECT_EQ(WKContentModeRecommended, defaultPreferences.preferredContentMode);
>+            decisionHandler(WKNavigationActionPolicyAllow, defaultPreferences);
>+        }];
>+        [[webView navigatorUserAgent] shouldContainStrings:@"Mozilla/5.0 (Mac", @"TestWebKitAPI", nil];
>+        EXPECT_WK_STREQ("MacIntel", [webView navigatorPlatform]);
>+    }
> 
>-    [webView loadHTMLString:@"<pre>Baz</pre>" withPolicyDecisionHandler:^(WKNavigationAction *, WKWebpagePreferences *defaultPreferences, void (^decisionHandler)(WKNavigationActionPolicy, WKWebpagePreferences *)) {
>-        EXPECT_EQ(WKContentModeDesktop, defaultPreferences.preferredContentMode);
>-        decisionHandler(WKNavigationActionPolicyAllow, [WKWebpagePreferences preferencesWithContentMode:WKContentModeMobile]);
>-    }];
>-    [[webView navigatorUserAgent] shouldContainStrings:@"Mozilla/5.0 (iP", @"TestWebKitAPI", nil];
>-    EXPECT_TRUE([[webView navigatorPlatform] containsString:@"iP"]);
>+    {
>+        auto [webView, delegate] = setUpWebViewForPreferredContentModeTesting<WKWebView>(WKContentModeDesktop);
>+        [webView loadHTMLString:@"<pre>Bar</pre>" withPolicyDecisionHandler:^(WKNavigationAction *, WKWebpagePreferences *defaultPreferences, void (^decisionHandler)(WKNavigationActionPolicy, WKWebpagePreferences *)) {
>+            EXPECT_EQ(WKContentModeDesktop, defaultPreferences.preferredContentMode);
>+            decisionHandler(WKNavigationActionPolicyAllow, defaultPreferences);
>+        }];
>+        [[webView navigatorUserAgent] shouldContainStrings:@"Mozilla/5.0 (Mac", @"TestWebKitAPI", nil];
>+        EXPECT_WK_STREQ("MacIntel", [webView navigatorPlatform]);
>+
>+        [webView loadHTMLString:@"<pre>Baz</pre>" withPolicyDecisionHandler:^(WKNavigationAction *, WKWebpagePreferences *defaultPreferences, void (^decisionHandler)(WKNavigationActionPolicy, WKWebpagePreferences *)) {
>+            EXPECT_EQ(WKContentModeDesktop, defaultPreferences.preferredContentMode);
>+            decisionHandler(WKNavigationActionPolicyAllow, [WKWebpagePreferences preferencesWithContentMode:WKContentModeMobile]);
>+        }];
>+        [[webView navigatorUserAgent] shouldContainStrings:@"Mozilla/5.0 (iP", @"TestWebKitAPI", nil];
>+        EXPECT_TRUE([[webView navigatorPlatform] containsString:@"iP"]);
>+    }
> }
> 
> TEST(PreferredContentMode, DesktopModeWithoutNavigationDelegate)
>@@ -264,9 +266,7 @@ TEST(PreferredContentMode, DesktopModeOn
> {
>     IPhoneUserInterfaceSwizzler iPhoneUserInterface;
> 
>-    RetainPtr<WKWebView> webView;
>-    RetainPtr<ContentModeNavigationDelegate> delegate;
>-    std::tie(webView, delegate) = setUpWebViewForPreferredContentModeTesting<WKWebView>();
>+    auto [webView, delegate] = setUpWebViewForPreferredContentModeTesting<WKWebView>();
>     [webView loadHTMLString:@"<pre>Foo</pre>" withPolicyDecisionHandler:^(WKNavigationAction *, WKWebpagePreferences *defaultPreferences, void (^decisionHandler)(WKNavigationActionPolicy, WKWebpagePreferences *)) {
>         EXPECT_EQ(WKContentModeRecommended, defaultPreferences.preferredContentMode);
>         decisionHandler(WKNavigationActionPolicyAllow, [WKWebpagePreferences preferencesWithContentMode:WKContentModeDesktop]);
>@@ -286,9 +286,7 @@ TEST(PreferredContentMode, DesktopModeTo
> {
>     IPadUserInterfaceSwizzler iPadUserInterface;
> 
>-    RetainPtr<WKWebView> webView;
>-    RetainPtr<ContentModeNavigationDelegate> delegate;
>-    std::tie(webView, delegate) = setUpWebViewForPreferredContentModeTesting<WKWebView>();
>+    auto [webView, delegate] = setUpWebViewForPreferredContentModeTesting<WKWebView>();
> 
>     __block BOOL decidedPolicyForMainFrame = NO;
>     __block BOOL decidedPolicyForSubFrame = NO;
>@@ -314,9 +312,7 @@ TEST(PreferredContentMode, DesktopModeUs
> {
>     IPadUserInterfaceSwizzler iPadUserInterface;
> 
>-    RetainPtr<WKWebView> webView;
>-    RetainPtr<ContentModeNavigationDelegate> delegate;
>-    std::tie(webView, delegate) = setUpWebViewForPreferredContentModeTesting<WKWebView>();
>+    auto [webView, delegate] = setUpWebViewForPreferredContentModeTesting<WKWebView>();
> 
>     [webView loadTestPageNamed:@"simple" withPolicyDecisionHandler:makeContentModeDecisionHandler(WKContentModeDesktop)];
>     EXPECT_EQ(1024, [[webView objectByEvaluatingJavaScript:@"innerWidth"] intValue]);
>@@ -334,9 +330,7 @@ TEST(PreferredContentMode, CustomUserAge
> {
>     IPadUserInterfaceSwizzler iPadUserInterface;
> 
>-    RetainPtr<TestWKWebView> webView;
>-    RetainPtr<ContentModeNavigationDelegate> delegate;
>-    std::tie(webView, delegate) = setUpWebViewForPreferredContentModeTesting<TestWKWebView>(WKContentModeDesktop);
>+    auto [webView, delegate] = setUpWebViewForPreferredContentModeTesting<TestWKWebView>(WKContentModeDesktop);
> 
>     NSString *customUserAgent = @"Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/71.0.3578.98 Safari/537.36";
>     [webView setCustomUserAgent:customUserAgent];
>@@ -352,9 +346,7 @@ TEST(PreferredContentMode, DoNotAllowCha
> {
>     IPadUserInterfaceSwizzler iPadUserInterface;
> 
>-    RetainPtr<TestWKWebView> webView;
>-    RetainPtr<ContentModeNavigationDelegate> delegate;
>-    std::tie(webView, delegate) = setUpWebViewForPreferredContentModeTesting<TestWKWebView>(WKContentModeDesktop);
>+    auto [webView, delegate] = setUpWebViewForPreferredContentModeTesting<TestWKWebView>(WKContentModeDesktop);
> 
>     [webView loadTestPageNamed:@"simple" withPolicyDecisionHandler:^(WKNavigationAction *, WKWebpagePreferences *defaultPreferences, void (^decisionHandler)(WKNavigationActionPolicy, WKWebpagePreferences *)) {
>         EXPECT_EQ(WKContentModeDesktop, defaultPreferences.preferredContentMode);
>@@ -374,9 +366,7 @@ TEST(PreferredContentMode, EffectiveCont
> {
>     IPadUserInterfaceSwizzler iPadUserInterface;
> 
>-    RetainPtr<TestWKWebView> webView;
>-    RetainPtr<ContentModeNavigationDelegate> delegate;
>-    std::tie(webView, delegate) = setUpWebViewForPreferredContentModeTesting<WKWebView>();
>+    auto [webView, delegate] = setUpWebViewForPreferredContentModeTesting<WKWebView>();
> 
>     [webView loadTestPageNamed:@"simple" andExpectEffectiveContentMode:WKContentModeDesktop withPolicyDecisionHandler:nil];
>     [webView loadTestPageNamed:@"simple2" andExpectEffectiveContentMode:WKContentModeDesktop withPolicyDecisionHandler:makeContentModeDecisionHandler(WKContentModeDesktop)];
>@@ -387,9 +377,7 @@ TEST(PreferredContentMode, EffectiveCont
> {
>     IPhoneUserInterfaceSwizzler iPhoneUserInterface;
> 
>-    RetainPtr<TestWKWebView> webView;
>-    RetainPtr<ContentModeNavigationDelegate> delegate;
>-    std::tie(webView, delegate) = setUpWebViewForPreferredContentModeTesting<WKWebView>();
>+    auto [webView, delegate] = setUpWebViewForPreferredContentModeTesting<WKWebView>();
> 
>     [webView loadTestPageNamed:@"simple" andExpectEffectiveContentMode:WKContentModeMobile withPolicyDecisionHandler:nil];
>     [webView loadTestPageNamed:@"simple2" andExpectEffectiveContentMode:WKContentModeDesktop withPolicyDecisionHandler:makeContentModeDecisionHandler(WKContentModeDesktop)];
>@@ -400,9 +388,7 @@ TEST(PreferredContentMode, RecommendedCo
> {
>     IPadUserInterfaceSwizzler iPadUserInterface;
> 
>-    RetainPtr<TestWKWebView> webView;
>-    RetainPtr<ContentModeNavigationDelegate> delegate;
>-    std::tie(webView, delegate) = setUpWebViewForPreferredContentModeTesting<WKWebView>({ }, { "TestWebKitAPI" }, CGSizeZero);
>+    auto [webView, delegate] = setUpWebViewForPreferredContentModeTesting<WKWebView>({ }, { "TestWebKitAPI" }, CGSizeZero);
>     [webView loadTestPageNamed:@"simple" andExpectEffectiveContentMode:WKContentModeDesktop withPolicyDecisionHandler:nil];
>     [[webView navigatorUserAgent] shouldContainStrings:@"Mozilla/5.0 (Macintosh", @"TestWebKitAPI", nil];
> 
>@@ -419,20 +405,20 @@ TEST(PreferredContentMode, ApplicationNa
> {
>     IPadUserInterfaceSwizzler iPadUserInterface;
> 
>-    RetainPtr<TestWKWebView> webView;
>-    RetainPtr<ContentModeNavigationDelegate> delegate;
>-    std::tie(webView, delegate) = setUpWebViewForPreferredContentModeTesting<WKWebView>();
>-    [webView loadTestPageNamed:@"simple" withPolicyDecisionHandler:^(WKNavigationAction *, WKWebpagePreferences *defaultPreferences, void (^decisionHandler)(WKNavigationActionPolicy, WKWebpagePreferences *)) {
>-        defaultPreferences._applicationNameForUserAgentWithModernCompatibility = @"DesktopBrowser";
>-        decisionHandler(WKNavigationActionPolicyAllow, defaultPreferences);
>-    }];
>-    [[webView navigatorUserAgent] shouldContainStrings:@"Mozilla/5.0 (Macintosh", @"DesktopBrowser", nil];
>-    EXPECT_WK_STREQ("MacIntel", [webView navigatorPlatform]);
>+    {
>+        auto [webView, delegate] = setUpWebViewForPreferredContentModeTesting<WKWebView>();
>+        [webView loadTestPageNamed:@"simple" withPolicyDecisionHandler:^(WKNavigationAction *, WKWebpagePreferences *defaultPreferences, void (^decisionHandler)(WKNavigationActionPolicy, WKWebpagePreferences *)) {
>+            defaultPreferences._applicationNameForUserAgentWithModernCompatibility = @"DesktopBrowser";
>+            decisionHandler(WKNavigationActionPolicyAllow, defaultPreferences);
>+        }];
>+        [[webView navigatorUserAgent] shouldContainStrings:@"Mozilla/5.0 (Macintosh", @"DesktopBrowser", nil];
>+        EXPECT_WK_STREQ("MacIntel", [webView navigatorPlatform]);
>+    }
> 
>     {
>         // Don't attempt to change the application name, but still opt into desktop-class browsing;
>         // the application name should not default to "Mobile/15E148".
>-        std::tie(webView, delegate) = setUpWebViewForPreferredContentModeTesting<WKWebView>(WKContentModeDesktop, { });
>+        auto [webView, delegate] = setUpWebViewForPreferredContentModeTesting<WKWebView>(WKContentModeDesktop, { });
>         [webView loadTestPageNamed:@"simple" withPolicyDecisionHandler:nil];
>         NSString *userAgent = [webView navigatorUserAgent];
>         EXPECT_FALSE([userAgent containsString:@"Mobile"]);
>@@ -441,7 +427,7 @@ TEST(PreferredContentMode, ApplicationNa
>     {
>         // Don't attempt to change the application name, but this time, opt into mobile content. The application
>         // name should default to "Mobile/15E148".
>-        std::tie(webView, delegate) = setUpWebViewForPreferredContentModeTesting<WKWebView>(WKContentModeMobile, { });
>+        auto [webView, delegate] = setUpWebViewForPreferredContentModeTesting<WKWebView>(WKContentModeMobile, { });
>         [webView loadTestPageNamed:@"simple" withPolicyDecisionHandler:nil];
>         NSString *userAgent = [webView navigatorUserAgent];
>         EXPECT_TRUE([userAgent containsString:@"Mobile"]);
>@@ -449,7 +435,7 @@ TEST(PreferredContentMode, ApplicationNa
>     }
>     {
>         // Manually set the application name for user agent to the default value, Mobile/15E148.
>-        std::tie(webView, delegate) = setUpWebViewForPreferredContentModeTesting<WKWebView>(WKContentModeDesktop, { "Mobile/15E148" });
>+        auto [webView, delegate] = setUpWebViewForPreferredContentModeTesting<WKWebView>(WKContentModeDesktop, { "Mobile/15E148" });
>         [webView loadTestPageNamed:@"simple" withPolicyDecisionHandler:nil];
>         NSString *userAgent = [webView navigatorUserAgent];
>         EXPECT_TRUE([userAgent containsString:@"Mobile"]);
>@@ -457,7 +443,7 @@ TEST(PreferredContentMode, ApplicationNa
>     }
>     {
>         // Manually set the application name for user agent to nil.
>-        std::tie(webView, delegate) = setUpWebViewForPreferredContentModeTesting<WKWebView>(WKContentModeDesktop, {{ }});
>+        auto [webView, delegate] = setUpWebViewForPreferredContentModeTesting<WKWebView>(WKContentModeDesktop, {{ }});
>         [webView loadTestPageNamed:@"simple" withPolicyDecisionHandler:nil];
>         NSString *userAgent = [webView navigatorUserAgent];
>         EXPECT_FALSE([userAgent containsString:@"Mobile"]);

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Attachments on bug 199247: 372988 | 372992 | 372996 | 373027 | 373033 | 373200 | 373206 | 373327 | 373338