Attachment 362243 Details for Bug 194764 – Patch

[patch] Patch

bug-194764-20190217125749.patch (text/plain), 62.42 KB, created by Darin Adler on 2019-02-17 12:57:50 PST

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Creator: Darin Adler

Created: 2019-02-17 12:57:50 PST

Size: 62.42 KB

patch

obsolete

>Subversion Revision: 241651
>diff --git a/Source/WebCore/ChangeLog b/Source/WebCore/ChangeLog
>index 2a1ed8afd7f4823ceb0091d4aa6f6512e4e9b717..3ba2fca5ef0570d18b63dba8d156d01cdecf6323 100644
>--- a/Source/WebCore/ChangeLog
>+++ b/Source/WebCore/ChangeLog
>@@ -1,3 +1,170 @@
>+2019-02-17  Darin Adler  <darin@apple.com>
>+
>+        Some refinements for Node and Document
>+        https://bugs.webkit.org/show_bug.cgi?id=194764
>+
>+        Reviewed by NOBODY (OOPS!).
>+
>+        * accessibility/AccessibilityObject.cpp:
>+        (WebCore::AccessibilityObject::press): Use shadowHost instead of
>+        deprecatedShadowAncestorNode.
>+        (WebCore::AccessibilityObject::axObjectCache const): Tweak coding style.
>+        (WebCore::AccessibilityObject::focusedUIElement const): Use existing page
>+        function to streamline.
>+
>+        * accessibility/AccessibilityRenderObject.cpp:
>+        (WebCore::AccessibilityRenderObject::accessKey const): Use
>+        attributeWithoutSynchronization for efficiency and consistency with other
>+        code working with the accesskey attribute.
>+
>+        * dom/ContainerNode.cpp:
>+        (WebCore::ContainerNode::childrenChanged): Added call to
>+        invalidateAccessKeyCache, replacing old scheme tied to style recalculation.
>+
>+        * dom/DecodedDataDocumentParser.cpp:
>+        (WebCore::DecodedDataDocumentParser::appendBytes): Update for name and return
>+        type change of createDecoderIfNeeded to decoder.
>+        (WebCore::DecodedDataDocumentParser::flush): Ditto.
>+
>+        * dom/Document.cpp:
>+        (WebCore::Document::elementForAccessKey): Renamed from getElementForAccessKey
>+        to match WebKit coding style. Changed to use unique_ptr instead of separate
>+        boolean to keep track of map validity status.
>+        (WebCore::Document::buildAccessKeyCache): Renamed from buildAccessKeyMap to
>+        clarify that this is a cache. Changed to use composedTreeDescendants rather
>+        than explicit calls to shadowRoot. Use add instead of set so that first element
>+        in document order wins, instead of last element in document order. Updated
>+        to make a new map in a new unique_ptr instead of populating a map.
>+        (WebCore::Document::invalidateAccessKeyCacheSlowCase): Renamed from
>+        invalidateAccessKeyMap, and left an inline part in the header so the fast case
>+        of quickly checking for a null pointer can be inlined.
>+        (WebCore::Document::doctype const): Use downcast instead of static_cast.
>+        (WebCore::Document::scheduleStyleRecalc): Moved call to invalidateAccessKeyMap
>+        from here to childrenChanged and accesskey attribute change handling.
>+        (WebCore::Document::processFormatDetection): Set m_isTelephoneNumberParsingAllowed
>+        directly since this is the only place that does it and we don't need to factor
>+        that one line of code into a function.
>+        (WebCore::Document::getOverrideStyle): Moved to header since it's just a stub
>+        that always returns nullptr and can be inlined.
>+        (WebCore::Document::setIsTelephoneNumberParsingAllowed): Deleted.
>+        (WebCore::Document::ensureTemplateDocument): Removed nullptr frame argument to
>+        the create function, since Document::create now always involves no frame.
>+        (WebCore::Document::didAssociateFormControl): Changed argument type to a reference
>+        and simplified the logic with a local variable.
>+        (WebCore::Document::didAssociateFormControlsTimerFired): Simplified the null
>+        checks and rearranged things so that m_associatedFormControls will always
>+        get cleared even if the document is no longer associated with a page.
>+
>+        * dom/Document.h: Removed unnnecessary explicit values for enumerations (first
>+        value is always zero, etc.) and formatted simple enumerations in a single line
>+        for easier reading. Moved Document::create fucntion bodies out of line, removed
>+        the frame argument from the simple "create with URL" overload and made the frame
>+        argument for createNonRenderedPlaceholder be a reference rather than a pointer.
>+        Renamed getElementByAccessKey to elementForAccessKey, invalidateAccessKeyMap to
>+        invalidateAccessKeyCache, buildAccessKeyMap to buildAccessKeCache,
>+        m_elementsByAccessKey to m_accessKeyCache and changed its type.
>+        Removed bogus "DOM methods" comment, unused setParserFeature friend declaration,
>+        setIsTelephoneNumberParsingAllowed function, and m_accessKeyMapValid flag.
>+
>+        * dom/Document.idl: Added comment highlighting that getOverrideStyle is just a
>+        placeholder returning null.
>+
>+        * dom/Element.cpp:
>+        (WebCore::Element::attributeChanged): Call invalidateAccessKeyCache when the
>+        value of the accesskey attribute is changed. Also moved the class attribute code
>+        so the attributes here are in alphabetical order (only class and id were out of
>+        alphabetical order).
>+
>+        * dom/Node.cpp:
>+        (WebCore::Node::isDescendantOrShadowDescendantOf const): Rewrote to no longer
>+        use deprecatedShadowAncestorNode and used boolean operators to make it a
>+        single line and easier to understand. Also added a FIXME since the
>+        containsIncludingShadowDOM function is so similar, yet differently written.
>+        (WebCore::Node::contains const): Rewrote as a single line to make this easier
>+        to read and to *slightly* improve the speed in the "this == node" case.
>+        (WebCore::Node::containsIncludingHostElements const): Use downcast.
>+        (WebCore::Node::deprecatedShadowAncestorNode const): Deleted.
>+
>+        * dom/Node.h: Deleted now-unused deprecatedShadowAncestorNode.
>+
>+        * editing/ReplaceSelectionCommand.cpp:
>+        (WebCore::ReplacementFragment::ReplacementFragment): Rewrote to use shadowHost
>+        instead of deprecatedShadowAncestorNode.
>+
>+        * html/FormAssociatedElement.cpp:
>+        (WebCore::FormAssociatedElement::resetFormOwner): Pass reference to
>+        didAssociateFormControl.
>+        (WebCore::FormAssociatedElement::formAttributeChanged): Ditto.
>+
>+        * html/HTMLAreaElement.cpp:
>+        (WebCore::HTMLAreaElement::parseAttribute): Removed special case for accesskey
>+        attribute, because we want to call the base class parseAttribute in that case.
>+
>+        * html/HTMLFormElement.cpp:
>+        (WebCore::HTMLFormElement::insertedIntoAncestor): Pass reference to
>+        didAssociateFormControl.
>+
>+        * html/HTMLSelectElement.cpp:
>+        (WebCore::HTMLSelectElement::parseAttribute): Removed special case for accesskey
>+        attribute with mysterious FIXME, because we want to call the base class
>+        parseAttribute in that case. The old code had no effect before; the access key
>+        logic would still find the attribute; if the goal is to ignore the attribute
>+        for these elements we will need a different solution.
>+        * html/HTMLTextAreaElement.cpp:
>+        (WebCore::HTMLTextAreaElement::parseAttribute): Ditto.
>+
>+        * loader/DocumentLoader.cpp:
>+        (WebCore::DocumentLoader::DocumentLoader): Removed code that was always passing
>+        nullptr as the frame for the newly created DocumentWriter. It used m_frame, but
>+        m_frame was always null.
>+        (WebCore::DocumentLoader::attachToFrame): Pass reference to DocumentWriter::setFrame.
>+
>+        * loader/DocumentWriter.cpp:
>+        (WebCore::DocumentWriter::DocumentWriter): Deleted. The old version set m_frame to
>+        the passed in frame, which was always nullptr, and initialized some booleans and an
>+        enumeration, which are now initialized in the class definition.
>+        (WebCore::DocumentWriter::createDocument): Pass a reference for the frame.
>+        (WebCore::DocumentWriter::begin): Updated now that State is an enum class.
>+        (WebCore::DocumentWriter::decoder): Renamed from createDecoderIfNeeded and changed
>+        to return a reference.
>+        (WebCore::DocumentWriter::addData): Use RELEASE_ASSERT instead of if/CRASH and
>+        updated now that State is an enum class.
>+        (WebCore::DocumentWriter::insertDataSynchronously): Updated now that State is an
>+        enum class.
>+        (WebCore::DocumentWriter::end): Ditto.
>+
>+        * loader/DocumentWriter.h: Removed unneeded include and forward declaration.
>+        Removed the frame pointer argument to the constructor, caller was always passing a
>+        nullptr. Changed argument to setFrame to be a reference. Renamed createDecoderIfNeeded
>+        to decoder and changed it to return a reference. Initialized m_frame,
>+        m_hasReceivedSomeData, m_encodingWasChosenByUser, and m_state here so we don't need
>+        to initialize them in a constructor. Renamed the enum from WriterState to State since
>+        it's a member of DocumentWriter already, and made it an enum class rather than ending
>+        each enumeration value with WritingState.
>+
>+        * page/DragController.cpp:
>+        (WebCore::isEnabledColorInput): Removed boolean argument setToShadowAncestor. The
>+        one caller that formerly passed true now calls the new hasEnabledColorInputAsShadowHost
>+        function instead.
>+        (WebCore::hasEnabledColorInputAsShadowHost): Added.
>+        (WebCore::elementUnderMouse): Use shadowHost instead of deprecatedShadowAncestorNode.
>+        Also added FIXME since it seems this should instead be using parentElementInComposedTree.
>+        (WebCore::DragController::concludeEditDrag): Removed "false" argument to isEnabledColorInput.
>+        (WebCore::DragController::canProcessDrag): Removed "true" argument to isEnabledColorInput
>+        and added call to hasEnabledColorInputAsShadowHost. Also put the value of the node to drag
>+        into a local variable to simplify code.
>+        (WebCore::DragController::draggableElement const): Removed "false" argument to isEnabledColorInput.
>+
>+        * page/EventHandler.cpp:
>+        (WebCore::EventHandler::handleAccessKey): Update name of elementForAccessKey.
>+
>+        * page/FocusController.cpp:
>+        (WebCore::clearSelectionIfNeeded): Use shadowHost instead of deprecatedShadowAncestorNode.
>+
>+        * workers/service/context/ServiceWorkerThreadProxy.cpp:
>+        (WebCore::createPageForServiceWorker): Pass reference instead of pointer for frame to
>+        Document::createNonRenderedPlaceholder.
>+
> 2019-02-16  Zalan Bujtas  <zalan@apple.com>
> 
>         [LFC] RenderImage's default intrinsic size is 0.
>diff --git a/Source/WebInspectorUI/ChangeLog b/Source/WebInspectorUI/ChangeLog
>index 0a0319942dbeb845fc457c3b0c7833e3b3989a82..cd0cee43fd6122fe0d9e2dd8e938c43c73c23424 100644
>--- a/Source/WebInspectorUI/ChangeLog
>+++ b/Source/WebInspectorUI/ChangeLog
>@@ -1,3 +1,14 @@
>+2019-02-17  Darin Adler  <darin@apple.com>
>+
>+        Some refinements for Node and Document
>+        https://bugs.webkit.org/show_bug.cgi?id=194764
>+
>+        Reviewed by NOBODY (OOPS!).
>+
>+        * UserInterface/Models/NativeFunctionParameters.js: Removed getOverrideStyle
>+        because this deprecated non-working function is no longer something web authors
>+        should be thinking about or typing.
>+
> 2019-02-15  Joseph Pecoraro  <pecoraro@apple.com>
> 
>         Web Inspector: Logging a native function to the console, such as `alert`, produces unhandled rejection
>diff --git a/Source/WebKit/ChangeLog b/Source/WebKit/ChangeLog
>index 8522ca45ea81707e2fc853bee7a09b30c9b6015e..1283e04b1fac63d55b787af28d5626df8fcab691 100644
>--- a/Source/WebKit/ChangeLog
>+++ b/Source/WebKit/ChangeLog
>@@ -1,3 +1,20 @@
>+2019-02-17  Darin Adler  <darin@apple.com>
>+
>+        Some refinements for Node and Document
>+        https://bugs.webkit.org/show_bug.cgi?id=194764
>+
>+        Reviewed by NOBODY (OOPS!).
>+
>+        * WebProcess/InjectedBundle/API/gtk/DOM/WebKitDOMDocumentGtk.cpp:
>+        (webkit_dom_document_get_override_style): Changed to return nullptr directly instead of
>+        calling a bunch of WebCore code first. No real value in checking arguments or doing any work.
>+
>+        * WebProcess/WebCoreSupport/WebFrameLoaderClient.cpp:
>+        (WebKit::WebFrameLoaderClient::shouldAlwaysUsePluginDocument const): Deleted.
>+        No need to override the function inherited from the base class, nor to keep track of the
>+        unnecessary task of implementing this some day.
>+        * WebProcess/WebCoreSupport/WebFrameLoaderClient.h: Updated for the above.
>+
> 2019-02-15  Youenn Fablet  <youenn@apple.com>
> 
>         NetworkDataTask should check its client before calling shouldCaptureExtraNetworkLoadMetrics
>diff --git a/Source/WebKitLegacy/mac/ChangeLog b/Source/WebKitLegacy/mac/ChangeLog
>index 727c4de7b468bcd21b1c119ebb53df093c4c9a6f..16019e6599c0e30c0d2e5e1aabdeae4f5e4b74e1 100644
>--- a/Source/WebKitLegacy/mac/ChangeLog
>+++ b/Source/WebKitLegacy/mac/ChangeLog
>@@ -1,3 +1,15 @@
>+2019-02-17  Darin Adler  <darin@apple.com>
>+
>+        Some refinements for Node and Document
>+        https://bugs.webkit.org/show_bug.cgi?id=194764
>+
>+        Reviewed by NOBODY (OOPS!).
>+
>+        * DOM/DOMDocument.mm:
>+        (-[DOMDocument getOverrideStyle:pseudoElement:]): Return nil without calling
>+        through to WebCore or even looking at the arguments.
>+        (-[DOMDocument getOverrideStyle::]): Ditto.
>+
> 2019-02-15  Ross Kirsling  <ross.kirsling@sony.com>
> 
>         [WTF] Add environment variable helpers
>diff --git a/Source/WebCore/accessibility/AccessibilityObject.cpp b/Source/WebCore/accessibility/AccessibilityObject.cpp
>index 940afafd9d46074c8704ea3a26c762a5786c9b7e..5867a1a62ee701cdf084d6879ebbfd17bbefbe3b 100644
>--- a/Source/WebCore/accessibility/AccessibilityObject.cpp
>+++ b/Source/WebCore/accessibility/AccessibilityObject.cpp
>@@ -1010,16 +1010,16 @@ bool AccessibilityObject::press()
>         HitTestRequest request(HitTestRequest::ReadOnly | HitTestRequest::Active | HitTestRequest::AccessibilityHitTest);
>         HitTestResult hitTestResult(clickPoint());
>         document->renderView()->hitTest(request, hitTestResult);
>-        if (hitTestResult.innerNode()) {
>-            Node* innerNode = hitTestResult.innerNode()->deprecatedShadowAncestorNode();
>-            if (is<Element>(*innerNode))
>-                hitTestElement = downcast<Element>(innerNode);
>-            else if (innerNode)
>+        if (auto* innerNode = hitTestResult.innerNode()) {
>+            if (auto* shadowHost = innerNode->shadowHost())
>+                hitTestElement = shadowHost;
>+            else if (is<Element>(*innerNode))
>+                hitTestElement = &downcast<Element>(*innerNode);
>+            else
>                 hitTestElement = innerNode->parentElement();
>         }
>     }
>-    
>-    
>+
>     // Prefer the actionElement instead of this node, if the actionElement is inside this node.
>     Element* pressElement = this->element();
>     if (!pressElement || actionElem->isDescendantOf(*pressElement))
>@@ -2706,23 +2706,14 @@ AccessibilityObjectInterface* AccessibilityObject::elementAccessibilityHitTest(c
>     
> AXObjectCache* AccessibilityObject::axObjectCache() const
> {
>-    Document* doc = document();
>-    if (doc)
>-        return doc->axObjectCache();
>-    return nullptr;
>+    auto* document = this->document();
>+    return document ? document->axObjectCache() : nullptr;
> }
>     
> AccessibilityObjectInterface* AccessibilityObject::focusedUIElement() const
> {
>-    Document* document = this->document();
>-    if (!document)
>-        return nullptr;
>-    
>-    Page* page = document->page();
>-    if (!page)
>-        return nullptr;
>-    
>-    return AXObjectCache::focusedUIElementForPage(page);
>+    auto* page = this->page();
>+    return page ? AXObjectCache::focusedUIElementForPage(page) : nullptr;
> }
>     
> AccessibilitySortDirection AccessibilityObject::sortDirection() const
>diff --git a/Source/WebCore/accessibility/AccessibilityRenderObject.cpp b/Source/WebCore/accessibility/AccessibilityRenderObject.cpp
>index 4ca302de72f6433495317a30c41f31a3f9855a26..fd27463e55051672c4921c88639c7844dba9a85f 100644
>--- a/Source/WebCore/accessibility/AccessibilityRenderObject.cpp
>+++ b/Source/WebCore/accessibility/AccessibilityRenderObject.cpp
>@@ -1511,7 +1511,7 @@ const AtomicString& AccessibilityRenderObject::accessKey() const
>     Node* node = m_renderer->node();
>     if (!is<Element>(node))
>         return nullAtom();
>-    return downcast<Element>(*node).getAttribute(accesskeyAttr);
>+    return downcast<Element>(*node).attributeWithoutSynchronization(accesskeyAttr);
> }
> 
> VisibleSelection AccessibilityRenderObject::selection() const
>diff --git a/Source/WebCore/dom/ContainerNode.cpp b/Source/WebCore/dom/ContainerNode.cpp
>index 8c7747ee8144a85f444b270e19cf1e445bca6792..55b66696a795b00b477f12f74a410b850e2d42d2 100644
>--- a/Source/WebCore/dom/ContainerNode.cpp
>+++ b/Source/WebCore/dom/ContainerNode.cpp
>@@ -744,8 +744,28 @@ void ContainerNode::parserAppendChild(Node& newChild)
> void ContainerNode::childrenChanged(const ChildChange& change)
> {
>     document().incDOMTreeVersion();
>+
>+    switch (change.type) {
>+    case ElementInserted:
>+    case ElementRemoved:
>+    case AllChildrenRemoved:
>+    case AllChildrenReplaced:
>+        document().invalidateAccessKeyCache();
>+        break;
>+    case TextInserted:
>+    case TextRemoved:
>+    case TextChanged:
>+    case NonContentsChildInserted:
>+    case NonContentsChildRemoved:
>+        break;
>+    }
>+
>+    // FIXME: Unclear why it's always safe to skip this when parser is adding children.
>+    // FIXME: Seems like it's equally safe to skip for TextInserted and TextRemoved as for TextChanged.
>+    // FIXME: Should use switch for change type so we remember to update when adding new types.
>     if (change.source == ChildChangeSource::API && change.type != TextChanged)
>         document().updateRangesAfterChildrenChanged(*this);
>+
>     invalidateNodeListAndCollectionCachesInAncestors();
> }
> 
>diff --git a/Source/WebCore/dom/DecodedDataDocumentParser.cpp b/Source/WebCore/dom/DecodedDataDocumentParser.cpp
>index ce38cede730ce8eeee699879b8077599b60758bc..ed856647a399d65b081117b8690415d2429af770 100644
>--- a/Source/WebCore/dom/DecodedDataDocumentParser.cpp
>+++ b/Source/WebCore/dom/DecodedDataDocumentParser.cpp
>@@ -42,7 +42,7 @@ void DecodedDataDocumentParser::appendBytes(DocumentWriter& writer, const char*
>     if (!length)
>         return;
> 
>-    String decoded = writer.createDecoderIfNeeded()->decode(data, length);
>+    String decoded = writer.decoder().decode(data, length);
>     if (decoded.isEmpty())
>         return;
> 
>@@ -52,7 +52,7 @@ void DecodedDataDocumentParser::appendBytes(DocumentWriter& writer, const char*
> 
> void DecodedDataDocumentParser::flush(DocumentWriter& writer)
> {
>-    String remainingData = writer.createDecoderIfNeeded()->flush();
>+    String remainingData = writer.decoder().flush();
>     if (remainingData.isEmpty())
>         return;
> 
>diff --git a/Source/WebCore/dom/Document.cpp b/Source/WebCore/dom/Document.cpp
>index 050555ba9491f47ca0bb4dfdaaa193d9ac54edf9..734bf52b9b72f28fe56ac712003939a18afb5ab1 100644
>--- a/Source/WebCore/dom/Document.cpp
>+++ b/Source/WebCore/dom/Document.cpp
>@@ -45,6 +45,7 @@
> #include "ChromeClient.h"
> #include "Comment.h"
> #include "CommonVM.h"
>+#include "ComposedTreeIterator.h"
> #include "CompositionEvent.h"
> #include "ConstantPropertyMap.h"
> #include "ContentSecurityPolicy.h"
>@@ -731,36 +732,35 @@ void Document::commonTeardown()
>     clearScriptedAnimationController();
> }
> 
>-Element* Document::getElementByAccessKey(const String& key)
>+Element* Document::elementForAccessKey(const String& key)
> {
>     if (key.isEmpty())
>         return nullptr;
>-    // FIXME: Would be nice to use WTF::Optional on the map instead of using a
>-    // separate boolean.
>-    if (!m_accessKeyMapValid) {
>-        buildAccessKeyMap(*this);
>-        m_accessKeyMapValid = true;
>-    }
>-    return m_elementsByAccessKey.get(key.impl());
>+    if (!m_accessKeyCache)
>+        buildAccessKeyCache();
>+    return m_accessKeyCache->get(key);
> }
> 
>-void Document::buildAccessKeyMap(TreeScope& scope)
>+void Document::buildAccessKeyCache()
> {
>-    // FIXME: Consider using composedTreeDescendants instead, obviating the need for
>-    // recursion and the "scope" argument. Might be nice to have an Element-only version.
>-    for (auto& element : descendantsOfType<Element>(scope.rootNode())) {
>-        auto& accessKey = element.attributeWithoutSynchronization(accesskeyAttr);
>-        if (!accessKey.isEmpty())
>-            m_elementsByAccessKey.set(accessKey.impl(), &element);
>-        if (auto* root = element.shadowRoot())
>-            buildAccessKeyMap(*root);
>-    }
>+    m_accessKeyCache = std::make_unique<HashMap<String, Element*, ASCIICaseInsensitiveHash>>([this] {
>+        HashMap<String, Element*, ASCIICaseInsensitiveHash> map;
>+        for (auto& node : composedTreeDescendants(*this)) {
>+            if (!is<Element>(node))
>+                continue;
>+            auto& element = downcast<Element>(node);
>+            auto& key = element.attributeWithoutSynchronization(accesskeyAttr);
>+            if (key.isEmpty())
>+                continue;
>+            map.add(key, &element);
>+        }
>+        return map;
>+    }());
> }
> 
>-void Document::invalidateAccessKeyMap()
>+void Document::invalidateAccessKeyCacheSlowCase()
> {
>-    m_accessKeyMapValid = false;
>-    m_elementsByAccessKey.clear();
>+    m_accessKeyCache = nullptr;
> }
> 
> ExceptionOr<SelectorQuery&> Document::selectorQueryForString(const String& selectorString)
>@@ -845,8 +845,8 @@ bool Document::hasManifest() const
> DocumentType* Document::doctype() const
> {
>     for (Node* node = firstChild(); node; node = node->nextSibling()) {
>-        if (node->isDocumentTypeNode())
>-            return static_cast<DocumentType*>(node);
>+        if (is<DocumentType>(node))
>+            return downcast<DocumentType>(node);
>     }
>     return nullptr;
> }
>@@ -1818,9 +1818,6 @@ void Document::scheduleStyleRecalc()
>     }
> #endif
> 
>-    // FIXME: Why on earth is this here? This is clearly misplaced.
>-    invalidateAccessKeyMap();
>-
>     auto shouldThrottleStyleRecalc = [&] {
>         if (!view() || !view()->isVisuallyNonEmpty())
>             return false;
>@@ -3743,7 +3740,7 @@ void Document::processFormatDetection(const String& features)
>     // FIXME: Find a better place for this function.
>     processFeaturesString(features, FeatureMode::Viewport, [this](StringView key, StringView value) {
>         if (equalLettersIgnoringASCIICase(key, "telephone") && equalLettersIgnoringASCIICase(value, "no"))
>-            setIsTelephoneNumberParsingAllowed(false);
>+            m_isTelephoneNumberParsingAllowed = false;
>     });
> }
> 
>@@ -3907,7 +3904,7 @@ Ref<Document> Document::cloneDocumentWithoutChildren() const
>             return XMLDocument::createXHTML(nullptr, url());
>         return XMLDocument::create(nullptr, url());
>     }
>-    return create(nullptr, url());
>+    return create(url());
> }
> 
> void Document::cloneDataFromDocument(const Document& other)
>@@ -4847,11 +4844,6 @@ void Document::addListenerTypeIfNeeded(const AtomicString& eventType)
>         addListenerType(RESIZE_LISTENER);
> }
> 
>-CSSStyleDeclaration* Document::getOverrideStyle(Element*, const String&)
>-{
>-    return nullptr;
>-}
>-
> HTMLFrameOwnerElement* Document::ownerElement() const
> {
>     if (!frame())
>@@ -5832,11 +5824,6 @@ bool Document::isTelephoneNumberParsingEnabled() const
>     return settings().telephoneNumberParsingEnabled() && m_isTelephoneNumberParsingAllowed;
> }
> 
>-void Document::setIsTelephoneNumberParsingAllowed(bool isTelephoneNumberParsingAllowed)
>-{
>-    m_isTelephoneNumberParsingAllowed = isTelephoneNumberParsingAllowed;
>-}
>-
> bool Document::isTelephoneNumberParsingAllowed() const
> {
>     return m_isTelephoneNumberParsingAllowed;
>@@ -7464,7 +7451,7 @@ Document& Document::ensureTemplateDocument()
>     if (isHTMLDocument())
>         m_templateDocument = HTMLDocument::create(nullptr, WTF::blankURL());
>     else
>-        m_templateDocument = Document::create(nullptr, WTF::blankURL());
>+        m_templateDocument = create(WTF::blankURL());
> 
>     m_templateDocument->setContextDocument(contextDocument());
>     m_templateDocument->setTemplateDocumentHost(this); // balanced in dtor.
>@@ -7542,22 +7529,22 @@ OptionSet<StyleColor::Options> Document::styleColorOptions(const RenderStyle* st
>     return options;
> }
> 
>-void Document::didAssociateFormControl(Element* element)
>+void Document::didAssociateFormControl(Element& element)
> {
>-    if (!frame() || !frame()->page() || !frame()->page()->chrome().client().shouldNotifyOnFormChanges())
>+    auto* page = this->page();
>+    if (!page || !page->chrome().client().shouldNotifyOnFormChanges())
>         return;
>-    m_associatedFormControls.add(element);
>+    m_associatedFormControls.add(&element);
>     if (!m_didAssociateFormControlsTimer.isActive())
>         m_didAssociateFormControlsTimer.startOneShot(0_s);
> }
> 
> void Document::didAssociateFormControlsTimerFired()
> {
>-    if (!frame() || !frame()->page())
>-        return;
>-
>-    frame()->page()->chrome().client().didAssociateFormControls(copyToVector(m_associatedFormControls));
>+    auto vector = copyToVector(m_associatedFormControls);
>     m_associatedFormControls.clear();
>+    if (auto* page = this->page())
>+        page->chrome().client().didAssociateFormControls(vector);
> }
> 
> void Document::setCachedDOMCookies(const String& cookies)
>diff --git a/Source/WebCore/dom/Document.h b/Source/WebCore/dom/Document.h
>index db8988dc3708520670e8e0c47ff9e7b9dcc4c037..fb423677a9343e5229b1e47b2e8dfc0c197a2040 100644
>--- a/Source/WebCore/dom/Document.h
>+++ b/Source/WebCore/dom/Document.h
>@@ -252,13 +252,10 @@ class Scope;
> 
> const uint64_t HTMLMediaElementInvalidID = 0;
> 
>-enum PageshowEventPersistence {
>-    PageshowEventNotPersisted = 0,
>-    PageshowEventPersisted = 1
>-};
>+enum PageshowEventPersistence { PageshowEventNotPersisted, PageshowEventPersisted };
> 
> enum NodeListInvalidationType {
>-    DoNotInvalidateOnAttributeChanges = 0,
>+    DoNotInvalidateOnAttributeChanges,
>     InvalidateOnClassAttrChange,
>     InvalidateOnIdNameAttrChange,
>     InvalidateOnNameAttrChange,
>@@ -283,7 +280,6 @@ enum DocumentClass {
>     TextDocumentClass = 1 << 6,
>     XMLDocumentClass = 1 << 7,
> };
>-
> typedef unsigned char DocumentClassFlags;
> 
> enum class DocumentCompatibilityMode : unsigned char {
>@@ -294,10 +290,7 @@ enum class DocumentCompatibilityMode : unsigned char {
> 
> enum DimensionsCheck { WidthDimensionsCheck = 1 << 0, HeightDimensionsCheck = 1 << 1, AllDimensionsCheck = 1 << 2 };
> 
>-enum class SelectionRestorationMode {
>-    Restore,
>-    SetDefault,
>-};
>+enum class SelectionRestorationMode { Restore, SetDefault };
> 
> enum class HttpEquivPolicy {
>     Enabled,
>@@ -352,15 +345,8 @@ class Document
>     , public Logger::Observer {
>     WTF_MAKE_ISO_ALLOCATED(Document);
> public:
>-    static Ref<Document> create(Frame* frame, const URL& url)
>-    {
>-        return adoptRef(*new Document(frame, url));
>-    }
>-
>-    static Ref<Document> createNonRenderedPlaceholder(Frame* frame, const URL& url)
>-    {
>-        return adoptRef(*new Document(frame, url, DefaultDocumentClass, NonRenderedPlaceholder));
>-    }
>+    static Ref<Document> create(const URL&);
>+    static Ref<Document> createNonRenderedPlaceholder(Frame&, const URL&);
>     static Ref<Document> create(Document&);
> 
>     virtual ~Document();
>@@ -406,14 +392,12 @@ public:
> 
>     bool canContainRangeEndPoint() const final { return true; }
> 
>-    Element* getElementByAccessKey(const String& key);
>-    void invalidateAccessKeyMap();
>+    Element* elementForAccessKey(const String& key);
>+    void invalidateAccessKeyCache();
> 
>     ExceptionOr<SelectorQuery&> selectorQueryForString(const String&);
>     void clearSelectorQueryCache();
> 
>-    // DOM methods & attributes for Document
>-
>     void setViewportArguments(const ViewportArguments& viewportArguments) { m_viewportArguments = viewportArguments; }
>     ViewportArguments viewportArguments() const { return m_viewportArguments; }
> 
>@@ -431,10 +415,7 @@ public:
> 
>     WEBCORE_EXPORT DOMImplementation& implementation();
>     
>-    Element* documentElement() const
>-    {
>-        return m_documentElement.get();
>-    }
>+    Element* documentElement() const { return m_documentElement.get(); }
>     static ptrdiff_t documentElementMemoryOffset() { return OBJECT_OFFSETOF(Document, m_documentElement); }
> 
>     WEBCORE_EXPORT Element* activeElement();
>@@ -462,11 +443,7 @@ public:
>     WEBCORE_EXPORT Element* scrollingElementForAPI();
>     Element* scrollingElement();
> 
>-    enum ReadyState {
>-        Loading,
>-        Interactive,
>-        Complete
>-    };
>+    enum ReadyState { Loading, Interactive,  Complete };
>     ReadyState readyState() const { return m_readyState; }
> 
>     WEBCORE_EXPORT String defaultCharsetForLegacyBindings() const;
>@@ -570,8 +547,8 @@ public:
>     Vector<String> formElementsState() const;
>     void setStateForNewFormElements(const Vector<String>&);
> 
>-    WEBCORE_EXPORT FrameView* view() const; // can be NULL
>-    WEBCORE_EXPORT Page* page() const; // can be NULL
>+    WEBCORE_EXPORT FrameView* view() const; // Can be null.
>+    WEBCORE_EXPORT Page* page() const; // Can be null.
>     const Settings& settings() const { return m_settings.get(); }
>     Settings& mutableSettings() { return m_settings.get(); }
> 
>@@ -606,10 +583,7 @@ public:
>     
>     // updateLayoutIgnorePendingStylesheets() forces layout even if we are waiting for pending stylesheet loads,
>     // so calling this may cause a flash of unstyled content (FOUC).
>-    enum class RunPostLayoutTasks {
>-        Asynchronously,
>-        Synchronously,
>-    };
>+    enum class RunPostLayoutTasks { Asynchronously, Synchronously };
>     WEBCORE_EXPORT void updateLayoutIgnorePendingStylesheets(RunPostLayoutTasks = RunPostLayoutTasks::Asynchronously);
> 
>     std::unique_ptr<RenderStyle> styleForElementIgnoringPendingStylesheets(Element&, const RenderStyle* parentStyle, PseudoId = PseudoId::None);
>@@ -883,7 +857,7 @@ public:
>     bool hasMutationObservers() const { return m_mutationObserverTypes; }
>     void addMutationObserverTypes(MutationObserverOptions types) { m_mutationObserverTypes |= types; }
> 
>-    WEBCORE_EXPORT CSSStyleDeclaration* getOverrideStyle(Element*, const String& pseudoElt);
>+    CSSStyleDeclaration* getOverrideStyle(Element*, const String&) { return nullptr; }
> 
>     // Handles an HTTP header equivalent set by a meta tag using <meta http-equiv="..." content="...">. This is called
>     // when a meta tag is encountered during document parsing, and also when a script dynamically changes or adds a meta
>@@ -1352,7 +1326,7 @@ public:
>     void setTemplateDocumentHost(Document* templateDocumentHost) { m_templateDocumentHost = templateDocumentHost; }
>     Document* templateDocumentHost() { return m_templateDocumentHost; }
> 
>-    void didAssociateFormControl(Element*);
>+    void didAssociateFormControl(Element&);
>     bool hasDisabledFieldsetElement() const { return m_disabledFieldsetElementsCount; }
>     void addDisabledFieldsetElement() { m_disabledFieldsetElementsCount++; }
>     void removeDisabledFieldsetElement() { ASSERT(m_disabledFieldsetElementsCount); m_disabledFieldsetElementsCount--; }
>@@ -1600,7 +1574,8 @@ private:
>     void updateTitle(const StringWithDirection&);
>     void updateBaseURL();
> 
>-    void buildAccessKeyMap(TreeScope&);
>+    void invalidateAccessKeyCacheSlowCase();
>+    void buildAccessKeyCache();
> 
>     void moveNodeIteratorsToNewDocumentSlowCase(Node&, Document&);
> 
>@@ -1623,11 +1598,6 @@ private:
> 
>     void dispatchDisabledAdaptationsDidChangeForMainFrame();
> 
>-#if ENABLE(TELEPHONE_NUMBER_DETECTION)
>-    friend void setParserFeature(const String& key, const String& value, Document*, void* userData);
>-    void setIsTelephoneNumberParsingAllowed(bool);
>-#endif
>-
>     void setVisualUpdatesAllowed(ReadyState);
>     void setVisualUpdatesAllowed(bool);
>     void visualUpdatesSuppressionTimerFired();
>@@ -1827,7 +1797,7 @@ private:
>     HashSet<HTMLMediaElement*> m_allowsMediaDocumentInlinePlaybackElements;
> #endif
> 
>-    HashMap<StringImpl*, Element*, ASCIICaseInsensitiveHash> m_elementsByAccessKey;
>+    std::unique_ptr<HashMap<String, Element*, ASCIICaseInsensitiveHash>> m_accessKeyCache;
> 
>     std::unique_ptr<ConstantPropertyMap> m_constantPropertyMap;
> 
>@@ -2029,7 +1999,6 @@ private:
>     bool m_isDNSPrefetchEnabled { false };
>     bool m_haveExplicitlyDisabledDNSPrefetch { false };
> 
>-    bool m_accessKeyMapValid { false };
>     bool m_isSynthesized { false };
>     bool m_isNonRenderedPlaceholder { false };
> 
>@@ -2128,6 +2097,22 @@ inline AXObjectCache* Document::existingAXObjectCache() const
>     return existingAXObjectCacheSlow();
> }
> 
>+inline Ref<Document> Document::create(const URL& url)
>+{
>+    return adoptRef(*new Document(nullptr, url));
>+}
>+
>+inline Ref<Document> Document::createNonRenderedPlaceholder(Frame& frame, const URL& url)
>+{
>+    return adoptRef(*new Document(&frame, url, DefaultDocumentClass, NonRenderedPlaceholder));
>+}
>+
>+inline void Document::invalidateAccessKeyCache()
>+{
>+    if (UNLIKELY(m_accessKeyCache))
>+        invalidateAccessKeyCacheSlowCase();
>+}
>+
> // These functions are here because they require the Document class definition and we want to inline them.
> 
> inline ScriptExecutionContext* Node::scriptExecutionContext() const
>diff --git a/Source/WebCore/dom/Document.idl b/Source/WebCore/dom/Document.idl
>index 6f6379b8cffc95cf5d1c6ee807779667185419d8..523fffa352b86f34f9f10e429bc08777495481e5 100644
>--- a/Source/WebCore/dom/Document.idl
>+++ b/Source/WebCore/dom/Document.idl
>@@ -175,7 +175,8 @@ typedef (
>     attribute boolean xmlStandalone;
> 
>     // FIXME: Blink has already dropped this (https://groups.google.com/a/chromium.org/forum/#!topic/blink-dev/s3ezjTuC8ig).
>-    CSSStyleDeclaration getOverrideStyle(optional Element? element = null, optional DOMString pseudoElement = "undefined");
>+    // And it's just a stub that always returns null, so we can probably remove it some time soon.
>+    CSSStyleDeclaration? getOverrideStyle(optional Element? element = null, optional DOMString pseudoElement = "undefined");
> 
>     // FIXME: Should be moved to GlobalEventHandlers (http://w3c.github.io/selection-api/#extensions-to-globaleventhandlers).
>     [NotEnumerable] attribute EventHandler onselectstart; // FIXME: Should be enumerable.
>diff --git a/Source/WebCore/dom/Element.cpp b/Source/WebCore/dom/Element.cpp
>index 49a54da52728ead08917789cc27da9976a1e699f..4a0fd8e30abb47d696633af4f7505c87878b6d2a 100644
>--- a/Source/WebCore/dom/Element.cpp
>+++ b/Source/WebCore/dom/Element.cpp
>@@ -1555,7 +1555,11 @@ void Element::attributeChanged(const QualifiedName& name, const AtomicString& ol
>     bool valueIsSameAsBefore = oldValue == newValue;
> 
>     if (!valueIsSameAsBefore) {
>-        if (name == HTMLNames::idAttr) {
>+        if (name == HTMLNames::accesskeyAttr)
>+            document().invalidateAccessKeyCache();
>+        else if (name == classAttr)
>+            classAttributeChanged(newValue);
>+        else if (name == HTMLNames::idAttr) {
>             AtomicString oldId = elementData()->idForStyleResolution();
>             AtomicString newId = makeIdForStyleResolution(newValue, document().inQuirksMode());
>             if (newId != oldId) {
>@@ -1567,15 +1571,12 @@ void Element::attributeChanged(const QualifiedName& name, const AtomicString& ol
>                 treeScope().idTargetObserverRegistry().notifyObservers(*oldValue.impl());
>             if (!newValue.isEmpty())
>                 treeScope().idTargetObserverRegistry().notifyObservers(*newValue.impl());
>-        } else if (name == classAttr)
>-            classAttributeChanged(newValue);
>-        else if (name == HTMLNames::nameAttr)
>+        } else if (name == HTMLNames::nameAttr)
>             elementData()->setHasNameAttribute(!newValue.isNull());
>         else if (name == HTMLNames::pseudoAttr) {
>             if (needsStyleInvalidation() && isInShadowTree())
>                 invalidateStyleForSubtree();
>-        }
>-        else if (name == HTMLNames::slotAttr) {
>+        } else if (name == HTMLNames::slotAttr) {
>             if (auto* parent = parentElement()) {
>                 if (auto* shadowRoot = parent->shadowRoot())
>                     shadowRoot->hostChildElementDidChangeSlotAttribute(*this, oldValue, newValue);
>diff --git a/Source/WebCore/dom/Node.cpp b/Source/WebCore/dom/Node.cpp
>index 078bce0b22c702272e2e33e61799052550041444..697241f283fab8590959020f79ccf9f3d7cf4f94 100644
>--- a/Source/WebCore/dom/Node.cpp
>+++ b/Source/WebCore/dom/Node.cpp
>@@ -1008,21 +1008,14 @@ bool Node::isDescendantOf(const Node& other) const
> 
> bool Node::isDescendantOrShadowDescendantOf(const Node* other) const
> {
>-    if (!other) 
>-        return false;
>-    if (isDescendantOf(*other))
>-        return true;
>-    const Node* shadowAncestorNode = deprecatedShadowAncestorNode();
>-    if (!shadowAncestorNode)
>-        return false;
>-    return shadowAncestorNode == other || shadowAncestorNode->isDescendantOf(*other);
>+    // FIXME: Why is this implementation so different from containsIncludingShadowDOM
>+    // function, given that the two functions' purposes are nearly identical?
>+    return other && (isDescendantOf(*other) || other->contains(shadowHost()));
> }
> 
> bool Node::contains(const Node* node) const
> {
>-    if (!node)
>-        return false;
>-    return this == node || node->isDescendantOf(*this);
>+    return this == node || (node && node->isDescendantOf(*this));
> }
> 
> bool Node::containsIncludingShadowDOM(const Node* node) const
>@@ -1039,7 +1032,7 @@ bool Node::containsIncludingHostElements(const Node* node) const
>     while (node) {
>         if (node == this)
>             return true;
>-        if (node->isDocumentFragment() && static_cast<const DocumentFragment*>(node)->isTemplateContent())
>+        if (is<DocumentFragment>(*node) && downcast<DocumentFragment>(*node).isTemplateContent())
>             node = static_cast<const TemplateContentDocumentFragment*>(node)->host();
>         else
>             node = node->parentOrShadowHostNode();
>@@ -1139,14 +1132,6 @@ Element* Node::shadowHost() const
>     return nullptr;
> }
> 
>-Node* Node::deprecatedShadowAncestorNode() const
>-{
>-    if (ShadowRoot* root = containingShadowRoot())
>-        return root->host();
>-
>-    return const_cast<Node*>(this);
>-}
>-
> ShadowRoot* Node::containingShadowRoot() const
> {
>     ContainerNode& root = treeScope().rootNode();
>diff --git a/Source/WebCore/dom/Node.h b/Source/WebCore/dom/Node.h
>index 12439d78d35c4c2821a7254d032145035fb47f9f..a63c194b8b5073731cd9191b331261f0f88870c6 100644
>--- a/Source/WebCore/dom/Node.h
>+++ b/Source/WebCore/dom/Node.h
>@@ -234,9 +234,6 @@ public:
> 
>     // If this node is in a shadow tree, returns its shadow host. Otherwise, returns null.
>     WEBCORE_EXPORT Element* shadowHost() const;
>-    // If this node is in a shadow tree, returns its shadow host. Otherwise, returns this.
>-    // Deprecated. Should use shadowHost() and check the return value.
>-    WEBCORE_EXPORT Node* deprecatedShadowAncestorNode() const;
>     ShadowRoot* containingShadowRoot() const;
>     ShadowRoot* shadowRoot() const;
>     bool isClosedShadowHidden(const Node&) const;
>diff --git a/Source/WebCore/editing/ReplaceSelectionCommand.cpp b/Source/WebCore/editing/ReplaceSelectionCommand.cpp
>index 7311b2a2a5de24008e22783095613d6fe6cf0630..d5eced5825a055e8c0a8b42561af262a55e7dbb0 100644
>--- a/Source/WebCore/editing/ReplaceSelectionCommand.cpp
>+++ b/Source/WebCore/editing/ReplaceSelectionCommand.cpp
>@@ -167,10 +167,9 @@ ReplacementFragment::ReplacementFragment(Document& document, DocumentFragment* f
>     if (!editableRoot)
>         return;
>     
>-    Node* shadowAncestorNode = editableRoot->deprecatedShadowAncestorNode();
>-    
>+    auto* shadowHost = editableRoot->shadowHost();
>     if (!editableRoot->attributeEventListener(eventNames().webkitBeforeTextInsertedEvent, mainThreadNormalWorld())
>-        && !(shadowAncestorNode && shadowAncestorNode->renderer() && shadowAncestorNode->renderer()->isTextControl())
>+        && !(shadowHost && shadowHost->renderer() && shadowHost->renderer()->isTextControl())
>         && editableRoot->hasRichlyEditableStyle()) {
>         removeInterchangeNodes(m_fragment.get());
>         return;
>diff --git a/Source/WebCore/html/FormAssociatedElement.cpp b/Source/WebCore/html/FormAssociatedElement.cpp
>index 7aa5e761871e32faf1863436be5777a3e6056426..26cd8421087da124ec0af8879e6f2384246f81ac 100644
>--- a/Source/WebCore/html/FormAssociatedElement.cpp
>+++ b/Source/WebCore/html/FormAssociatedElement.cpp
>@@ -176,7 +176,7 @@ void FormAssociatedElement::resetFormOwner()
>     setForm(findAssociatedForm(&asHTMLElement(), m_form));
>     HTMLElement& element = asHTMLElement();
>     if (m_form && m_form != originalForm && m_form->isConnected())
>-        element.document().didAssociateFormControl(&element);
>+        element.document().didAssociateFormControl(element);
> }
> 
> void FormAssociatedElement::formAttributeChanged()
>@@ -187,7 +187,7 @@ void FormAssociatedElement::formAttributeChanged()
>         RefPtr<HTMLFormElement> originalForm = m_form;
>         setForm(HTMLFormElement::findClosestFormAncestor(element));
>         if (m_form && m_form != originalForm && m_form->isConnected())
>-            element.document().didAssociateFormControl(&element);
>+            element.document().didAssociateFormControl(element);
>         m_formAttributeTargetObserver = nullptr;
>     } else {
>         resetFormOwner();
>diff --git a/Source/WebCore/html/HTMLAreaElement.cpp b/Source/WebCore/html/HTMLAreaElement.cpp
>index 7503f075a0c12b86a021add902ae76a1ad66d885..bab136e8a1c22b2c977586ac864b840fda100f97 100644
>--- a/Source/WebCore/html/HTMLAreaElement.cpp
>+++ b/Source/WebCore/html/HTMLAreaElement.cpp
>@@ -69,7 +69,7 @@ void HTMLAreaElement::parseAttribute(const QualifiedName& name, const AtomicStri
>     } else if (name == coordsAttr) {
>         m_coords = parseHTMLListOfOfFloatingPointNumberValues(value.string());
>         invalidateCachedRegion();
>-    } else if (name == altAttr || name == accesskeyAttr) {
>+    } else if (name == altAttr) {
>         // Do nothing.
>     } else
>         HTMLAnchorElement::parseAttribute(name, value);
>diff --git a/Source/WebCore/html/HTMLFormElement.cpp b/Source/WebCore/html/HTMLFormElement.cpp
>index db996b98ada4752d46a9f6d4f3426bdae2a56cdc..bbf1648a3572acee77a63509d800a3e4df2a03c7 100644
>--- a/Source/WebCore/html/HTMLFormElement.cpp
>+++ b/Source/WebCore/html/HTMLFormElement.cpp
>@@ -129,7 +129,7 @@ Node::InsertedIntoAncestorResult HTMLFormElement::insertedIntoAncestor(Insertion
> {
>     HTMLElement::insertedIntoAncestor(insertionType, parentOfInsertedTree);
>     if (insertionType.connectedToDocument)
>-        document().didAssociateFormControl(this);
>+        document().didAssociateFormControl(*this);
>     return InsertedIntoAncestorResult::Done;
> }
> 
>diff --git a/Source/WebCore/html/HTMLSelectElement.cpp b/Source/WebCore/html/HTMLSelectElement.cpp
>index d499b91b80d014353b8f36ab1f08f7bb53dffd39..3ea01c073cf7f13395e2e8231281fcebcbb7639a 100644
>--- a/Source/WebCore/html/HTMLSelectElement.cpp
>+++ b/Source/WebCore/html/HTMLSelectElement.cpp
>@@ -307,10 +307,7 @@ void HTMLSelectElement::parseAttribute(const QualifiedName& name, const AtomicSt
>         }
>     } else if (name == multipleAttr)
>         parseMultipleAttribute(value);
>-    else if (name == accesskeyAttr) {
>-        // FIXME: ignore for the moment.
>-        //
>-    } else
>+    else
>         HTMLFormControlElementWithState::parseAttribute(name, value);
> }
> 
>diff --git a/Source/WebCore/html/HTMLTextAreaElement.cpp b/Source/WebCore/html/HTMLTextAreaElement.cpp
>index fd9b2d62ae1cc5e1b2c3924d94f8cdb3a4e8afc8..beb96fae8fd239498091bcabc62285c226a7f63d 100644
>--- a/Source/WebCore/html/HTMLTextAreaElement.cpp
>+++ b/Source/WebCore/html/HTMLTextAreaElement.cpp
>@@ -193,8 +193,6 @@ void HTMLTextAreaElement::parseAttribute(const QualifiedName& name, const Atomic
>             if (renderer())
>                 renderer()->setNeedsLayoutAndPrefWidthsRecalc();
>         }
>-    } else if (name == accesskeyAttr) {
>-        // ignore for the moment
>     } else if (name == maxlengthAttr)
>         maxLengthAttributeChanged(value);
>     else if (name == minlengthAttr)
>diff --git a/Source/WebCore/loader/DocumentLoader.cpp b/Source/WebCore/loader/DocumentLoader.cpp
>index 1b30f2d59dd8250778f006ecab6a40a7f49f01e6..f963c5d8bece0f44f8d1d926982c97f1a9df9979 100644
>--- a/Source/WebCore/loader/DocumentLoader.cpp
>+++ b/Source/WebCore/loader/DocumentLoader.cpp
>@@ -146,7 +146,6 @@ static bool areAllLoadersPageCacheAcceptable(const ResourceLoaderMap& loaders)
> DocumentLoader::DocumentLoader(const ResourceRequest& request, const SubstituteData& substituteData)
>     : FrameDestructionObserver(nullptr)
>     , m_cachedResourceLoader(CachedResourceLoader::create(this))
>-    , m_writer(m_frame)
>     , m_originalRequest(request)
>     , m_substituteData(substituteData)
>     , m_originalRequestCopy(request)
>@@ -1183,7 +1182,7 @@ void DocumentLoader::attachToFrame(Frame& frame)
> 
>     ASSERT(!m_frame);
>     observeFrame(&frame);
>-    m_writer.setFrame(&frame);
>+    m_writer.setFrame(frame);
>     attachToFrame();
> 
> #ifndef NDEBUG
>diff --git a/Source/WebCore/loader/DocumentWriter.cpp b/Source/WebCore/loader/DocumentWriter.cpp
>index 86593c30aad576319c27dedf17d2152d2e89f921..b831d1adb41ca0df6366c26594618de642f966e2 100644
>--- a/Source/WebCore/loader/DocumentWriter.cpp
>+++ b/Source/WebCore/loader/DocumentWriter.cpp
>@@ -58,14 +58,6 @@ static inline bool canReferToParentFrameEncoding(const Frame* frame, const Frame
>     return parentFrame && parentFrame->document()->securityOrigin().canAccess(frame->document()->securityOrigin());
> }
>     
>-DocumentWriter::DocumentWriter(Frame* frame)
>-    : m_frame(frame)
>-    , m_hasReceivedSomeData(false)
>-    , m_encodingWasChosenByUser(false)
>-    , m_state(NotStartedWritingState)
>-{
>-}
>-
> // This is only called by ScriptController::executeIfJavaScriptURL
> // and always contains the result of evaluating a javascript: url.
> // This is the <iframe src="javascript:'html'"> case.
>@@ -122,7 +114,7 @@ Ref<Document> DocumentWriter::createDocument(const URL& url)
>         return SinkDocument::create(m_frame, url);
> #endif
>     if (!m_frame->loader().client().hasHTMLView())
>-        return Document::createNonRenderedPlaceholder(m_frame, url);
>+        return Document::createNonRenderedPlaceholder(*m_frame, url);
>     return DOMImplementation::createDocument(m_mimeType, m_frame, url);
> }
> 
>@@ -194,11 +186,11 @@ bool DocumentWriter::begin(const URL& urlReference, bool dispatch, Document* own
>     if (m_frame->view() && m_frame->loader().client().hasHTMLView())
>         m_frame->view()->setContentsSize(IntSize());
> 
>-    m_state = StartedWritingState;
>+    m_state = State::Started;
>     return true;
> }
> 
>-TextResourceDecoder* DocumentWriter::createDecoderIfNeeded()
>+TextResourceDecoder& DocumentWriter::decoder()
> {
>     if (!m_decoder) {
>         m_decoder = TextResourceDecoder::create(m_mimeType,
>@@ -225,7 +217,7 @@ TextResourceDecoder* DocumentWriter::createDecoderIfNeeded()
>         }
>         m_frame->document()->setDecoder(m_decoder.get());
>     }
>-    return m_decoder.get();
>+    return *m_decoder;
> }
> 
> void DocumentWriter::reportDataReceived()
>@@ -241,22 +233,17 @@ void DocumentWriter::reportDataReceived()
> 
> void DocumentWriter::addData(const char* bytes, size_t length)
> {
>-    // Check that we're inside begin()/end().
>-    // FIXME: Change these to ASSERT once https://bugs.webkit.org/show_bug.cgi?id=80427 has
>-    // been resolved.
>-    if (m_state == NotStartedWritingState)
>-        CRASH();
>-    if (m_state == FinishedWritingState)
>-        CRASH();
>-
>+    // FIXME: Change these to ASSERT once https://bugs.webkit.org/show_bug.cgi?id=80427 has been resolved.
>+    RELEASE_ASSERT(m_state != State::NotStarted);
>+    RELEASE_ASSERT(m_state != State::Finished);
>     ASSERT(m_parser);
>     m_parser->appendBytes(*this, bytes, length);
> }
> 
> void DocumentWriter::insertDataSynchronously(const String& markup)
> {
>-    ASSERT(m_state != NotStartedWritingState);
>-    ASSERT(m_state != FinishedWritingState);
>+    ASSERT(m_state != State::NotStarted);
>+    ASSERT(m_state != State::Finished);
>     ASSERT(m_parser);
>     m_parser->insert(markup);
> }
>@@ -268,7 +255,7 @@ void DocumentWriter::end()
> 
>     // The parser is guaranteed to be released after this point. begin() would
>     // have to be called again before we can start writing more data.
>-    m_state = FinishedWritingState;
>+    m_state = State::Finished;
> 
>     // http://bugs.webkit.org/show_bug.cgi?id=10854
>     // The frame's last ref may be removed and it can be deleted by checkCompleted(), 
>diff --git a/Source/WebCore/loader/DocumentWriter.h b/Source/WebCore/loader/DocumentWriter.h
>index 3048c59e575137d85e0a99ce92c50e3de7baf64b..cae14d5fa6e46a6ca15a0c1e3eb9cc94ba377925 100644
>--- a/Source/WebCore/loader/DocumentWriter.h
>+++ b/Source/WebCore/loader/DocumentWriter.h
>@@ -28,7 +28,6 @@
> 
> #pragma once
> 
>-#include <wtf/URL.h>
> #include <wtf/text/WTFString.h>
> 
> namespace WebCore {
>@@ -36,13 +35,12 @@ namespace WebCore {
> class Document;
> class DocumentParser;
> class Frame;
>-class SecurityOrigin;
> class TextResourceDecoder;
> 
> class DocumentWriter {
>     WTF_MAKE_NONCOPYABLE(DocumentWriter);
> public:
>-    explicit DocumentWriter(Frame*);
>+    DocumentWriter() = default;
> 
>     // This is only called by ScriptController::executeIfJavaScriptURL
>     // and always contains the result of evaluating a javascript: url.
>@@ -54,7 +52,7 @@ public:
>     void insertDataSynchronously(const String&); // For an internal use only to prevent the parser from yielding.
>     WEBCORE_EXPORT void end();
> 
>-    void setFrame(Frame* frame) { m_frame = frame; }
>+    void setFrame(Frame& frame) { m_frame = &frame; }
> 
>     WEBCORE_EXPORT void setEncoding(const String& encoding, bool userChosen);
> 
>@@ -62,7 +60,7 @@ public:
>     void setMIMEType(const String& type) { m_mimeType = type; }
> 
>     // Exposed for DocumentParser::appendBytes.
>-    TextResourceDecoder* createDecoderIfNeeded();
>+    TextResourceDecoder& decoder();
>     void reportDataReceived();
> 
>     void setDocumentWasLoadedAsPartOfNavigation();
>@@ -71,22 +69,18 @@ private:
>     Ref<Document> createDocument(const URL&);
>     void clear();
> 
>-    Frame* m_frame;
>+    Frame* m_frame { nullptr };
> 
>-    bool m_hasReceivedSomeData;
>+    bool m_hasReceivedSomeData { false };
>     String m_mimeType;
> 
>-    bool m_encodingWasChosenByUser;
>+    bool m_encodingWasChosenByUser { false };
>     String m_encoding;
>     RefPtr<TextResourceDecoder> m_decoder;
>     RefPtr<DocumentParser> m_parser;
> 
>-    enum WriterState {
>-        NotStartedWritingState,
>-        StartedWritingState,
>-        FinishedWritingState,
>-    };
>-    WriterState m_state;
>+    enum class State { NotStarted, Started, Finished };
>+    State m_state { State::NotStarted };
> };
> 
> } // namespace WebCore
>diff --git a/Source/WebCore/page/DragController.cpp b/Source/WebCore/page/DragController.cpp
>index c10154d9ea6aa025ba4ff9d4f79e48c869efe139..61ae8a2bfc247818fdf894dfd3e3591de52daf94 100644
>--- a/Source/WebCore/page/DragController.cpp
>+++ b/Source/WebCore/page/DragController.cpp
>@@ -341,17 +341,21 @@ static HTMLInputElement* asFileInput(Node& node)
> }
> 
> #if ENABLE(INPUT_TYPE_COLOR)
>-static bool isEnabledColorInput(Node& node, bool setToShadowAncestor)
>+
>+static bool isEnabledColorInput(Node& node)
> {
>-    Node* candidate = setToShadowAncestor ? node.deprecatedShadowAncestorNode() : &node;
>-    if (is<HTMLInputElement>(*candidate)) {
>-        auto& input = downcast<HTMLInputElement>(*candidate);
>-        if (input.isColorControl() && !input.isDisabledFormControl())
>-            return true;
>-    }
>+    if (!is<HTMLInputElement>(node))
>+        return false;
>+    auto& input = downcast<HTMLInputElement>(node);
>+    return input.isColorControl() && !input.isDisabledFormControl();
>+}
> 
>-    return false;
>+static bool hasEnabledColorInputAsShadowHost(Node& node)
>+{
>+    auto* host = node.shadowHost();
>+    return host && isEnabledColorInput(*host);
> }
>+
> #endif
> 
> // This can return null if an empty document is loaded.
>@@ -364,13 +368,13 @@ static Element* elementUnderMouse(Document* documentUnderMouse, const IntPoint&
>     HitTestResult result(point);
>     documentUnderMouse->renderView()->hitTest(HitTestRequest(), result);
> 
>-    Node* node = result.innerNode();
>-    while (node && !is<Element>(*node))
>-        node = node->parentNode();
>-    if (node)
>-        node = node->deprecatedShadowAncestorNode();
>-
>-    return downcast<Element>(node);
>+    auto* node = result.innerNode();
>+    if (!node)
>+        return nullptr;
>+    // FIXME: Use parentElementInComposedTree here.
>+    auto* element = is<Element>(*node) ? &downcast<Element>(*node) : node->parentElement();
>+    auto* host = element->shadowHost();
>+    return host ? host : element;
> }
> 
> #if !ENABLE(DATA_INTERACTION)
>@@ -551,7 +555,7 @@ bool DragController::concludeEditDrag(const DragData& dragData)
>         if (!color.isValid())
>             return false;
> #if ENABLE(INPUT_TYPE_COLOR)
>-        if (isEnabledColorInput(*element, false)) {
>+        if (isEnabledColorInput(*element)) {
>             auto& input = downcast<HTMLInputElement>(*element);
>             input.setValue(color.serialized(), DispatchInputAndChangeEvent);
>             return true;
>@@ -655,14 +659,15 @@ bool DragController::canProcessDrag(const DragData& dragData)
> 
>     result = m_page.mainFrame().eventHandler().hitTestResultAtPoint(point, HitTestRequest::ReadOnly | HitTestRequest::Active);
> 
>-    if (!result.innerNonSharedNode())
>+    auto* dragNode = result.innerNonSharedNode();
>+    if (!dragNode)
>         return false;
> 
>     DragData::DraggingPurpose dragPurpose = DragData::DraggingPurpose::ForEditing;
>-    if (asFileInput(*result.innerNonSharedNode()))
>+    if (asFileInput(*dragNode))
>         dragPurpose = DragData::DraggingPurpose::ForFileUpload;
> #if ENABLE(INPUT_TYPE_COLOR)
>-    else if (isEnabledColorInput(*result.innerNonSharedNode(), true))
>+    else if (isEnabledColorInput(*dragNode) || hasEnabledColorInputAsShadowHost(*dragNode))
>         dragPurpose = DragData::DraggingPurpose::ForColorControl;
> #endif
> 
>@@ -677,10 +682,10 @@ bool DragController::canProcessDrag(const DragData& dragData)
>         return true;
> #endif
> 
>-    if (is<HTMLPlugInElement>(*result.innerNonSharedNode())) {
>-        if (!downcast<HTMLPlugInElement>(result.innerNonSharedNode())->canProcessDrag() && !result.innerNonSharedNode()->hasEditableStyle())
>+    if (is<HTMLPlugInElement>(*dragNode)) {
>+        if (!downcast<HTMLPlugInElement>(dragNode)->canProcessDrag() && !dragNode->hasEditableStyle())
>             return false;
>-    } else if (!result.innerNonSharedNode()->hasEditableStyle())
>+    } else if (!dragNode->hasEditableStyle())
>         return false;
> 
>     if (m_didInitiateDrag && m_documentUnderMouse == m_dragInitiator && result.isSelected())
>@@ -813,8 +818,7 @@ Element* DragController::draggableElement(const Frame* sourceFrame, Element* sta
>             }
> #endif
> #if ENABLE(INPUT_TYPE_COLOR)
>-            if ((m_dragSourceAction & DragSourceActionColor)
>-                && isEnabledColorInput(*element, false)) {
>+            if ((m_dragSourceAction & DragSourceActionColor) && isEnabledColorInput(*element)) {
>                 state.type = static_cast<DragSourceAction>(state.type | DragSourceActionColor);
>                 return element;
>             }
>diff --git a/Source/WebCore/page/EventHandler.cpp b/Source/WebCore/page/EventHandler.cpp
>index 2024a76f4a15784e52595d7e14c0a14443531f2a..ade37f5af19aebaefce25cb9234212f354750ec3 100644
>--- a/Source/WebCore/page/EventHandler.cpp
>+++ b/Source/WebCore/page/EventHandler.cpp
>@@ -3121,7 +3121,7 @@ bool EventHandler::handleAccessKey(const PlatformKeyboardEvent& event)
> 
>     if ((event.modifiers() - PlatformEvent::Modifier::ShiftKey) != accessKeyModifiers())
>         return false;
>-    Element* element = m_frame.document()->getElementByAccessKey(event.unmodifiedText());
>+    auto* element = m_frame.document()->elementForAccessKey(event.unmodifiedText());
>     if (!element)
>         return false;
>     element->accessKeyAction(false);
>diff --git a/Source/WebCore/page/FocusController.cpp b/Source/WebCore/page/FocusController.cpp
>index 439b1927c7377d41599ccb39871078fc1385f89c..297763f2e62fda39996865045015d829cbd5e9ff 100644
>--- a/Source/WebCore/page/FocusController.cpp
>+++ b/Source/WebCore/page/FocusController.cpp
>@@ -768,20 +768,20 @@ static void clearSelectionIfNeeded(Frame* oldFocusedFrame, Frame* newFocusedFram
>         return;
> 
>     Node* selectionStartNode = selection.start().deprecatedNode();
>-    if (selectionStartNode == newFocusedNode || selectionStartNode->isDescendantOf(newFocusedNode) || selectionStartNode->deprecatedShadowAncestorNode() == newFocusedNode)
>+    if (selectionStartNode == newFocusedNode || selectionStartNode->isDescendantOf(newFocusedNode) || selectionStartNode->shadowHost() == newFocusedNode)
>         return;
>-        
>+
>     if (Node* mousePressNode = newFocusedFrame->eventHandler().mousePressNode()) {
>         if (mousePressNode->renderer() && !mousePressNode->canStartSelection()) {
>             // Don't clear the selection for contentEditable elements, but do clear it for input and textarea. See bug 38696.
>-            Node * root = selection.rootEditableElement();
>+            auto* root = selection.rootEditableElement();
>             if (!root)
>                 return;
>-
>-            if (Node* shadowAncestorNode = root->deprecatedShadowAncestorNode()) {
>-                if (!is<HTMLInputElement>(*shadowAncestorNode) && !is<HTMLTextAreaElement>(*shadowAncestorNode))
>-                    return;
>-            }
>+            auto* host = root->shadowHost();
>+            // FIXME: Seems likely we can just do the check on "host" here instead of "rootOrHost".
>+            auto* rootOrHost = host ? host : root;
>+            if (!is<HTMLInputElement>(*rootOrHost) && !is<HTMLTextAreaElement>(*rootOrHost))
>+                return;
>         }
>     }
> 
>diff --git a/Source/WebCore/workers/service/context/ServiceWorkerThreadProxy.cpp b/Source/WebCore/workers/service/context/ServiceWorkerThreadProxy.cpp
>index f6fc8beac7b4998976ba9d7c6df105099d129af0..18d4d793938f0f487b0831527a3b77e92d5fad04 100644
>--- a/Source/WebCore/workers/service/context/ServiceWorkerThreadProxy.cpp
>+++ b/Source/WebCore/workers/service/context/ServiceWorkerThreadProxy.cpp
>@@ -57,7 +57,7 @@ static inline UniqueRef<Page> createPageForServiceWorker(PageConfiguration&& con
> 
>     auto& mainFrame = page->mainFrame();
>     mainFrame.loader().initForSynthesizedDocument({ });
>-    auto document = Document::createNonRenderedPlaceholder(&mainFrame, data.scriptURL);
>+    auto document = Document::createNonRenderedPlaceholder(mainFrame, data.scriptURL);
>     document->createDOMWindow();
> 
>     document->mutableSettings().setStorageBlockingPolicy(storageBlockingPolicy);
>diff --git a/Source/WebInspectorUI/UserInterface/Models/NativeFunctionParameters.js b/Source/WebInspectorUI/UserInterface/Models/NativeFunctionParameters.js
>index d885b0ca1d77f47acec358f20ba95f83c58f9e58..8b772663b38163ee1c8b39cc521289ca914ed722 100644
>--- a/Source/WebInspectorUI/UserInterface/Models/NativeFunctionParameters.js
>+++ b/Source/WebInspectorUI/UserInterface/Models/NativeFunctionParameters.js
>@@ -485,7 +485,6 @@ WI.NativePrototypeFunctionParameters = {
>         getCSSCanvasContext: "contextId, name, width, height",
>         getElementById: "id",
>         getElementsByName: "name",
>-        getOverrideStyle: "[element], [pseudoElement]",
>         importNode: "node, deep",
>         queryCommandEnabled: "command",
>         queryCommandIndeterm: "command",
>diff --git a/Source/WebKit/WebProcess/InjectedBundle/API/gtk/DOM/WebKitDOMDocumentGtk.cpp b/Source/WebKit/WebProcess/InjectedBundle/API/gtk/DOM/WebKitDOMDocumentGtk.cpp
>index 1b7e0dc496f698b1cd638da22199b59db792369e..533bee9ea769476aa0077e9247ab42e96142430c 100644
>--- a/Source/WebKit/WebProcess/InjectedBundle/API/gtk/DOM/WebKitDOMDocumentGtk.cpp
>+++ b/Source/WebKit/WebProcess/InjectedBundle/API/gtk/DOM/WebKitDOMDocumentGtk.cpp
>@@ -1119,16 +1119,9 @@ WebKitDOMTreeWalker* webkit_dom_document_create_tree_walker(WebKitDOMDocument* s
>     return WebKit::kit(gobjectResult.get());
> }
> 
>-WebKitDOMCSSStyleDeclaration* webkit_dom_document_get_override_style(WebKitDOMDocument* self, WebKitDOMElement* element, const gchar* pseudoElement)
>+WebKitDOMCSSStyleDeclaration* webkit_dom_document_get_override_style(WebKitDOMDocument*, WebKitDOMElement*, const gchar*)
> {
>-    WebCore::JSMainThreadNullState state;
>-    g_return_val_if_fail(WEBKIT_DOM_IS_DOCUMENT(self), 0);
>-    g_return_val_if_fail(WEBKIT_DOM_IS_ELEMENT(element), 0);
>-    WebCore::Document* item = WebKit::core(self);
>-    WebCore::Element* convertedElement = WebKit::core(element);
>-    WTF::String convertedPseudoElement = WTF::String::fromUTF8(pseudoElement);
>-    RefPtr<WebCore::CSSStyleDeclaration> gobjectResult = WTF::getPtr(item->getOverrideStyle(convertedElement, convertedPseudoElement));
>-    return WebKit::kit(gobjectResult.get());
>+    return nullptr;
> }
> 
> WebKitDOMXPathExpression* webkit_dom_document_create_expression(WebKitDOMDocument* self, const gchar* expression, WebKitDOMXPathNSResolver* resolver, GError** error)
>diff --git a/Source/WebKit/WebProcess/WebCoreSupport/WebFrameLoaderClient.cpp b/Source/WebKit/WebProcess/WebCoreSupport/WebFrameLoaderClient.cpp
>index c5a1855f2f16cd23ac6afcd596ede5747b9eadf9..8c78e75fd6806b9e7eb42a0d079d24dd34181901 100644
>--- a/Source/WebKit/WebProcess/WebCoreSupport/WebFrameLoaderClient.cpp
>+++ b/Source/WebKit/WebProcess/WebCoreSupport/WebFrameLoaderClient.cpp
>@@ -1781,12 +1781,6 @@ NSDictionary *WebFrameLoaderClient::dataDetectionContext()
> 
> #endif // PLATFORM(COCOA)
> 
>-bool WebFrameLoaderClient::shouldAlwaysUsePluginDocument(const String& /*mimeType*/) const
>-{
>-    notImplemented();
>-    return false;
>-}
>-
> void WebFrameLoaderClient::didChangeScrollOffset()
> {
>     WebPage* webPage = m_frame->page();
>diff --git a/Source/WebKit/WebProcess/WebCoreSupport/WebFrameLoaderClient.h b/Source/WebKit/WebProcess/WebCoreSupport/WebFrameLoaderClient.h
>index 0742d1e094102cd2ece4ab18e2566064d13aa339..cfef8a8f9cc8c0ad986d769ceb66300f690426dc 100644
>--- a/Source/WebKit/WebProcess/WebCoreSupport/WebFrameLoaderClient.h
>+++ b/Source/WebKit/WebProcess/WebCoreSupport/WebFrameLoaderClient.h
>@@ -243,8 +243,6 @@ private:
>     NSDictionary *dataDetectionContext() final;
> #endif
> 
>-    bool shouldAlwaysUsePluginDocument(const String& /*mimeType*/) const final;
>-
>     void didChangeScrollOffset() final;
> 
>     bool allowScript(bool enabledPerSettings) final;
>diff --git a/Source/WebKitLegacy/mac/DOM/DOMDocument.mm b/Source/WebKitLegacy/mac/DOM/DOMDocument.mm
>index 3b04d3933d24aae3335bd87b81069f4cce7bd614..46ccdfd1e3e7275f425e36aefe68daeb83123fd4 100644
>--- a/Source/WebKitLegacy/mac/DOM/DOMDocument.mm
>+++ b/Source/WebKitLegacy/mac/DOM/DOMDocument.mm
>@@ -574,8 +574,7 @@ - (DOMTreeWalker *)createTreeWalker:(DOMNode *)root whatToShow:(unsigned)whatToS
> 
> - (DOMCSSStyleDeclaration *)getOverrideStyle:(DOMElement *)element pseudoElement:(NSString *)pseudoElement
> {
>-    WebCore::JSMainThreadNullState state;
>-    return kit(WTF::getPtr(IMPL->getOverrideStyle(core(element), pseudoElement)));
>+    return nil;
> }
> 
> static RefPtr<WebCore::XPathNSResolver> wrap(id <DOMXPathNSResolver> resolver)
>@@ -787,7 +786,7 @@ - (DOMTreeWalker *)createTreeWalker:(DOMNode *)root :(unsigned)whatToShow :(id <
> 
> - (DOMCSSStyleDeclaration *)getOverrideStyle:(DOMElement *)element :(NSString *)pseudoElement
> {
>-    return [self getOverrideStyle:element pseudoElement:pseudoElement];
>+    return nil;
> }
> 
> - (DOMXPathExpression *)createExpression:(NSString *)expression :(id <DOMXPathNSResolver>)resolver

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Attachments on bug 194764: 362243 | 362251 | 362252 | 362255 | 362258 | 362261 | 362291 | 362294 | 362295