Attachment 154563 Details for Bug 91794 – Patch

[patch] Patch

bug-91794-20120726003554.patch (text/plain), 67.05 KB, created by Dominic Mazzoni on 2012-07-26 00:36:13 PDT

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Creator: Dominic Mazzoni

Created: 2012-07-26 00:36:13 PDT

Size: 67.05 KB

patch

obsolete

>Index: Source/WebCore/ChangeLog
>===================================================================
>--- Source/WebCore/ChangeLog	(revision 123710)
>+++ Source/WebCore/ChangeLog	(working copy)
>@@ -1,3 +1,122 @@
>+2012-07-26  Dominic Mazzoni  <dmazzoni@google.com>
>+
>+        AX: Calls to AXObjectCache should prefer Node over Renderer
>+        https://bugs.webkit.org/show_bug.cgi?id=91794
>+
>+        Reviewed by NOBODY (OOPS!).
>+
>+        Now that it's possible for nodes inside a canvas subtree to be focused and
>+        represent accessible content, accessibility notifications should be triggered
>+        with a Node* rather than with a RenderObject* whenever possible.
>+
>+        Every public API in AXObjectCache that took a RenderObject* before now either
>+        takes a Node* instead, or has a parallel method that takes a Node*.
>+
>+        Tests: accessibility/accessibility-node-memory-management.html
>+               accessibility/accessibility-node-reparent.html
>+               accessibility/canvas-fallback-content.html
>+
>+        * accessibility/AXObjectCache.cpp:
>+        (WebCore::AXObjectCache::focusedImageMapUIElement):
>+        (WebCore::AXObjectCache::focusedUIElementForPage):
>+        (WebCore::AXObjectCache::getOrCreate):
>+        (WebCore::AXObjectCache::contentChanged):
>+        (WebCore):
>+        (WebCore::AXObjectCache::childrenChanged):
>+        (WebCore::AXObjectCache::postNotification):
>+        (WebCore::AXObjectCache::checkedStateChanged):
>+        (WebCore::AXObjectCache::selectedChildrenChanged):
>+        (WebCore::AXObjectCache::nodeTextChangeNotification):
>+        (WebCore::AXObjectCache::handleAriaExpandedChange):
>+        (WebCore::AXObjectCache::handleActiveDescendantChanged):
>+        (WebCore::AXObjectCache::handleAriaRoleChanged):
>+        (WebCore::AXObjectCache::textMarkerDataForVisiblePosition):
>+        (WebCore::AXObjectCache::rootAXEditableElement):
>+        (WebCore::AXObjectCache::nodeIsTextControl):
>+        * accessibility/AXObjectCache.h:
>+        (AXObjectCache):
>+        (WebCore::AXObjectCache::setNodeInUse):
>+        (WebCore::AXObjectCache::removeNodeForUse):
>+        (WebCore::AXObjectCache::isNodeInUse):
>+        (WebCore::AXObjectCache::checkedStateChanged):
>+        (WebCore::AXObjectCache::childrenChanged):
>+        (WebCore::AXObjectCache::contentChanged):
>+        (WebCore::AXObjectCache::handleActiveDescendantChanged):
>+        (WebCore::AXObjectCache::handleAriaExpandedChange):
>+        (WebCore::AXObjectCache::handleAriaRoleChanged):
>+        (WebCore::AXObjectCache::handleFocusedUIElementChanged):
>+        (WebCore::AXObjectCache::postNotification):
>+        (WebCore::AXObjectCache::selectedChildrenChanged):
>+        * accessibility/AccessibilityListBoxOption.cpp:
>+        (WebCore::AccessibilityListBoxOption::parentObject):
>+        * accessibility/AccessibilityObject.cpp:
>+        (WebCore::appendAccessibilityObject):
>+        (WebCore::replacedNodeNeedsCharacter):
>+        * accessibility/AccessibilityRenderObject.cpp:
>+        (WebCore::AccessibilityRenderObject::menuForMenuButton):
>+        (WebCore::AccessibilityRenderObject::menuButtonForMenu):
>+        (WebCore::AccessibilityRenderObject::checkboxOrRadioRect):
>+        (WebCore::AccessibilityRenderObject::addRadioButtonGroupMembers):
>+        (WebCore::AccessibilityRenderObject::titleUIElement):
>+        (WebCore::AccessibilityRenderObject::isTabItemSelected):
>+        (WebCore::AccessibilityRenderObject::accessibilityParentForImageMap):
>+        (WebCore::AccessibilityRenderObject::nodeIsTextControl):
>+        (WebCore::AccessibilityRenderObject::activeDescendant):
>+        (WebCore::AccessibilityRenderObject::correspondingControlForLabelElement):
>+        (WebCore::AccessibilityRenderObject::correspondingLabelForControlElement):
>+        * accessibility/AccessibilityRenderObject.h:
>+        (AccessibilityRenderObject):
>+        * accessibility/AccessibilityScrollView.cpp:
>+        (WebCore::AccessibilityScrollView::webAreaObject):
>+        (WebCore::AccessibilityScrollView::parentObject):
>+        (WebCore::AccessibilityScrollView::parentObjectIfExists):
>+        * accessibility/chromium/AXObjectCacheChromium.cpp:
>+        (WebCore::AXObjectCache::handleFocusedUIElementChanged):
>+        * accessibility/gtk/AXObjectCacheAtk.cpp:
>+        (WebCore::AXObjectCache::handleFocusedUIElementChanged):
>+        * accessibility/mac/AXObjectCacheMac.mm:
>+        (WebCore::AXObjectCache::handleFocusedUIElementChanged):
>+        * accessibility/win/AXObjectCacheWin.cpp:
>+        (WebCore::AXObjectCache::handleFocusedUIElementChanged):
>+        * bindings/cpp/WebDOMCustomVoidCallback.cpp:
>+        (toWebCore):
>+        * dom/Document.cpp:
>+        (WebCore::Document::setFocusedNode):
>+        * dom/Element.cpp:
>+        (WebCore::Element::attributeChanged):
>+        * dom/Node.cpp:
>+        (WebCore::Node::~Node):
>+        (WebCore::Node::detach):
>+        * editing/AppendNodeCommand.cpp:
>+        (WebCore::sendAXTextChangedIgnoringLineBreaks):
>+        * editing/DeleteFromTextNodeCommand.cpp:
>+        (WebCore::DeleteFromTextNodeCommand::doApply):
>+        (WebCore::DeleteFromTextNodeCommand::doUnapply):
>+        * editing/Editor.cpp:
>+        (WebCore::Editor::respondToChangedContents):
>+        (WebCore::Editor::markAndReplaceFor):
>+        * editing/InsertIntoTextNodeCommand.cpp:
>+        (WebCore::InsertIntoTextNodeCommand::doApply):
>+        (WebCore::InsertIntoTextNodeCommand::doUnapply):
>+        * editing/InsertNodeBeforeCommand.cpp:
>+        (WebCore::InsertNodeBeforeCommand::doApply):
>+        (WebCore::InsertNodeBeforeCommand::doUnapply):
>+        * editing/chromium/FrameSelectionChromium.cpp:
>+        (WebCore::FrameSelection::notifyAccessibilityForSelectionChange):
>+        * html/HTMLInputElement.cpp:
>+        (WebCore::HTMLInputElement::setChecked):
>+        * html/HTMLSelectElement.cpp:
>+        (WebCore::HTMLSelectElement::childrenChanged):
>+        (WebCore::HTMLSelectElement::optionElementChildrenChanged):
>+        * html/HTMLTextFormControlElement.cpp:
>+        (WebCore::HTMLTextFormControlElement::setInnerTextValue):
>+        * html/InputType.cpp:
>+        (WebCore::InputType::applyStep):
>+        * html/RangeInputType.cpp:
>+        (WebCore::RangeInputType::handleKeydownEvent):
>+        * page/FocusController.cpp:
>+        (WebCore::FocusController::setInitialFocus):
>+
> 2012-07-25  MORITA Hajime  <morrita@google.com>
> 
>         [Chromium][Win] <progress> animation on RTL direction is reverse
>Index: Source/WebCore/accessibility/AXObjectCache.cpp
>===================================================================
>--- Source/WebCore/accessibility/AXObjectCache.cpp	(revision 123429)
>+++ Source/WebCore/accessibility/AXObjectCache.cpp	(working copy)
>@@ -112,7 +112,7 @@ AccessibilityObject* AXObjectCache::focu
>     if (!imageElement)
>         return 0;
>     
>-    AccessibilityObject* axRenderImage = areaElement->document()->axObjectCache()->getOrCreate(imageElement->renderer());
>+    AccessibilityObject* axRenderImage = areaElement->document()->axObjectCache()->getOrCreate(imageElement);
>     if (!axRenderImage)
>         return 0;
>     
>@@ -144,11 +144,7 @@ AccessibilityObject* AXObjectCache::focu
>     if (focusedNode->hasTagName(areaTag))
>         return focusedImageMapUIElement(static_cast<HTMLAreaElement*>(focusedNode));
>     
>-    RenderObject* focusedNodeRenderer = focusedNode->renderer();
>-    if (!focusedNodeRenderer)
>-        return 0;
>-
>-    AccessibilityObject* obj = focusedNodeRenderer->document()->axObjectCache()->getOrCreate(focusedNodeRenderer);
>+    AccessibilityObject* obj = focusedNode->document()->axObjectCache()->getOrCreate(focusedNode);
> 
>     if (obj->shouldFocusActiveDescendant()) {
>         if (AccessibilityObject* descendant = obj->activeDescendant())
>@@ -301,11 +297,22 @@ AccessibilityObject* AXObjectCache::getO
>     if (!node)
>         return 0;
> 
>-    if (AccessibilityObject* obj = get(node))
>-        return obj;
>+    AccessibilityObject* nodeObj = get(node);
>+    AccessibilityObject* rendererObj = getOrCreate(node->renderer());
> 
>-    if (node->renderer())
>-        return getOrCreate(node->renderer());
>+    if (nodeObj && rendererObj && nodeObj != rendererObj) {
>+        // This can happen if an AccessibilityNodeObject is created for a node that's not
>+        // rendered, but later something changes and it gets a renderer (like if it's
>+        // reparented). Detach the AccessibilityNodeObject and return the AccessibilityRenderObject.
>+        nodeObj->detach();
>+        return rendererObj;
>+    }
>+
>+    if (nodeObj)
>+        return nodeObj;
>+
>+    if (rendererObj)
>+        return rendererObj;
> 
>     // It's only allowed to create an AccessibilityObject from a Node if it's in a canvas subtree.
>     if (!node->parentElement() || !node->parentElement()->isInCanvasSubtree())
>@@ -512,6 +519,13 @@ void AXObjectCache::removeAXID(Accessibi
>     m_idsInUse.remove(objID);
> }
> 
>+void AXObjectCache::contentChanged(Node* node)
>+{
>+    AccessibilityObject* object = getOrCreate(node);
>+    if (object)
>+        object->contentChanged(); 
>+}
>+
> void AXObjectCache::contentChanged(RenderObject* renderer)
> {
>     AccessibilityObject* object = getOrCreate(renderer);
>@@ -519,16 +533,16 @@ void AXObjectCache::contentChanged(Rende
>         object->contentChanged(); 
> }
> 
>+void AXObjectCache::childrenChanged(Node* node)
>+{
>+    AccessibilityObject* obj = get(node);
>+    if (obj)
>+        obj->childrenChanged();
>+}
>+
> void AXObjectCache::childrenChanged(RenderObject* renderer)
> {
>-    if (!renderer)
>-        return;
>- 
>-    AXID axID = m_renderObjectMapping.get(renderer);
>-    if (!axID)
>-        return;
>-    
>-    AccessibilityObject* obj = m_objects.get(axID).get();
>+    AccessibilityObject* obj = get(renderer);
>     if (obj)
>         obj->childrenChanged();
> }
>@@ -559,8 +573,6 @@ void AXObjectCache::notificationPostTime
>     
> void AXObjectCache::postNotification(RenderObject* renderer, AXNotification notification, bool postToElement, PostType postType)
> {
>-    // Notifications for text input objects are sent to that object.
>-    // All others are sent to the top WebArea.
>     if (!renderer)
>         return;
>     
>@@ -578,6 +590,25 @@ void AXObjectCache::postNotification(Ren
>     postNotification(object.get(), renderer->document(), notification, postToElement, postType);
> }
> 
>+void AXObjectCache::postNotification(Node* node, AXNotification notification, bool postToElement, PostType postType)
>+{
>+    if (!node)
>+        return;
>+    
>+    // Get an accessibility object that already exists. One should not be created here
>+    // because a render update may be in progress and creating an AX object can re-trigger a layout
>+    RefPtr<AccessibilityObject> object = get(node);
>+    while (!object && node) {
>+        node = node->parentNode();
>+        object = get(node);
>+    }
>+    
>+    if (!node)
>+        return;
>+    
>+    postNotification(object.get(), node->document(), notification, postToElement, postType);
>+}
>+
> void AXObjectCache::postNotification(AccessibilityObject* object, Document* document, AXNotification notification, bool postToElement, PostType postType)
> {
>     if (object && !postToElement)
>@@ -597,9 +628,16 @@ void AXObjectCache::postNotification(Acc
>         postPlatformNotification(object, notification);
> }
> 
>-void AXObjectCache::checkedStateChanged(RenderObject* renderer)
>+void AXObjectCache::checkedStateChanged(Node* node)
>+{
>+    postNotification(node, AXObjectCache::AXCheckedStateChanged, true);
>+}
>+
>+void AXObjectCache::selectedChildrenChanged(Node* node)
> {
>-    postNotification(renderer, AXObjectCache::AXCheckedStateChanged, true);
>+    // postToElement is false so that you can pass in any child of an element and it will go up the parent tree
>+    // to find the container which should send out the notification.
>+    postNotification(node, AXSelectedChildrenChanged, false);
> }
> 
> void AXObjectCache::selectedChildrenChanged(RenderObject* renderer)
>@@ -609,13 +647,13 @@ void AXObjectCache::selectedChildrenChan
>     postNotification(renderer, AXSelectedChildrenChanged, false);
> }
> 
>-void AXObjectCache::nodeTextChangeNotification(RenderObject* renderer, AXTextChange textChange, unsigned offset, const String& text)
>+void AXObjectCache::nodeTextChangeNotification(Node* node, AXTextChange textChange, unsigned offset, const String& text)
> {
>-    if (!renderer)
>+    if (!node)
>         return;
> 
>     // Delegate on the right platform
>-    AccessibilityObject* obj = getOrCreate(renderer);
>+    AccessibilityObject* obj = getOrCreate(node);
>     nodeTextChangePlatformNotification(obj, textChange, offset, text);
> }
> 
>@@ -644,31 +682,25 @@ void AXObjectCache::handleScrollbarUpdat
>         scrollViewObject->updateChildrenIfNecessary();
> }
>     
>-void AXObjectCache::handleAriaExpandedChange(RenderObject *renderer)
>+void AXObjectCache::handleAriaExpandedChange(Node* node)
> {
>-    if (!renderer)
>-        return;
>-    AccessibilityObject* obj = getOrCreate(renderer);
>+    AccessibilityObject* obj = getOrCreate(node);
>     if (obj)
>         obj->handleAriaExpandedChanged();
> }
>     
>-void AXObjectCache::handleActiveDescendantChanged(RenderObject* renderer)
>+void AXObjectCache::handleActiveDescendantChanged(Node* node)
> {
>-    if (!renderer)
>-        return;
>-    AccessibilityObject* obj = getOrCreate(renderer);
>+    AccessibilityObject* obj = getOrCreate(node);
>     if (obj)
>         obj->handleActiveDescendantChanged();
> }
> 
>-void AXObjectCache::handleAriaRoleChanged(RenderObject* renderer)
>+void AXObjectCache::handleAriaRoleChanged(Node* node)
> {
>-    if (!renderer)
>-        return;
>-    AccessibilityObject* obj = getOrCreate(renderer);
>-    if (obj && obj->isAccessibilityRenderObject())
>-        static_cast<AccessibilityRenderObject*>(obj)->updateAccessibilityRole();
>+    AccessibilityObject* obj = getOrCreate(node);
>+    if (obj && obj->isAccessibilityNodeObject())
>+        static_cast<AccessibilityNodeObject*>(obj)->updateAccessibilityRole();
> }
> 
> VisiblePosition AXObjectCache::visiblePositionForTextMarkerData(TextMarkerData& textMarkerData)
>@@ -717,13 +749,9 @@ void AXObjectCache::textMarkerDataForVis
>             return;
>     }
>     
>-    // locate the renderer, which must exist for a visible dom node
>-    RenderObject* renderer = domNode->renderer();
>-    ASSERT(renderer);
>-    
>-    // find or create an accessibility object for this renderer
>-    AXObjectCache* cache = renderer->document()->axObjectCache();
>-    RefPtr<AccessibilityObject> obj = cache->getOrCreate(renderer);
>+    // find or create an accessibility object for this node
>+    AXObjectCache* cache = domNode->document()->axObjectCache();
>+    RefPtr<AccessibilityObject> obj = cache->getOrCreate(domNode);
>     
>     textMarkerData.axID = obj.get()->axObjectID();
>     textMarkerData.node = domNode;
>@@ -739,19 +767,19 @@ const Element* AXObjectCache::rootAXEdit
>     const Element* element = node->isElementNode() ? toElement(node) : node->parentElement();
> 
>     for (; element; element = element->parentElement()) {
>-        if (nodeIsTextControl(element))
>+        if (nodeIsTextControl(const_cast<Element*>(element)))
>             result = element;
>     }
> 
>     return result;
> }
> 
>-bool AXObjectCache::nodeIsTextControl(const Node* node)
>+bool AXObjectCache::nodeIsTextControl(Node* node)
> {
>     if (!node)
>         return false;
> 
>-    const AccessibilityObject* axObject = getOrCreate(node->renderer());
>+    const AccessibilityObject* axObject = getOrCreate(node);
>     return axObject && axObject->isTextControl();
> }
> 
>Index: Source/WebCore/accessibility/AXObjectCache.h
>===================================================================
>--- Source/WebCore/accessibility/AXObjectCache.h	(revision 123429)
>+++ Source/WebCore/accessibility/AXObjectCache.h	(working copy)
>@@ -87,17 +87,20 @@ public:
> 
>     void detachWrapper(AccessibilityObject*);
>     void attachWrapper(AccessibilityObject*);
>+    void childrenChanged(Node*);
>     void childrenChanged(RenderObject*);
>-    void checkedStateChanged(RenderObject*);
>+    void checkedStateChanged(Node*);
>+    void selectedChildrenChanged(Node*);
>     void selectedChildrenChanged(RenderObject*);
>     // Called by a node when text or a text equivalent (e.g. alt) attribute is changed.
>+    void contentChanged(Node*);
>     void contentChanged(RenderObject*);
>     
>-    void handleActiveDescendantChanged(RenderObject*);
>-    void handleAriaRoleChanged(RenderObject*);
>-    void handleFocusedUIElementChanged(RenderObject* oldFocusedRenderer, RenderObject* newFocusedRenderer);
>+    void handleActiveDescendantChanged(Node*);
>+    void handleAriaRoleChanged(Node*);
>+    void handleFocusedUIElementChanged(Node* oldFocusedNode, Node* newFocusedNode);
>     void handleScrolledToAnchor(const Node* anchorNode);
>-    void handleAriaExpandedChange(RenderObject*);
>+    void handleAriaExpandedChange(Node*);
>     void handleScrollbarUpdate(ScrollView*);
> 
> #if HAVE(ACCESSIBILITY)
>@@ -119,16 +122,11 @@ public:
> 
>     Element* rootAXEditableElement(Node*);
>     const Element* rootAXEditableElement(const Node*);
>-    bool nodeIsTextControl(const Node*);
>+    bool nodeIsTextControl(Node*);
> 
>     AXID platformGenerateAXID() const;
>     AccessibilityObject* objectFromAXID(AXID id) const { return m_objects.get(id).get(); }
> 
>-    // This is a weak reference cache for knowing if Nodes used by TextMarkers are valid.
>-    void setNodeInUse(Node* n) { m_textMarkerNodes.add(n); }
>-    void removeNodeForUse(Node* n) { m_textMarkerNodes.remove(n); }
>-    bool isNodeInUse(Node* n) { return m_textMarkerNodes.contains(n); }
>-    
>     // Text marker utilities.
>     void textMarkerDataForVisiblePosition(TextMarkerData&, const VisiblePosition&);
>     VisiblePosition visiblePositionForTextMarkerData(TextMarkerData&);
>@@ -155,6 +153,7 @@ public:
>     };
> 
>     void postNotification(RenderObject*, AXNotification, bool postToElement, PostType = PostAsynchronously);
>+    void postNotification(Node*, AXNotification, bool postToElement, PostType = PostAsynchronously);
>     void postNotification(AccessibilityObject*, Document*, AXNotification, bool postToElement, PostType = PostAsynchronously);
> 
>     enum AXTextChange {
>@@ -162,7 +161,7 @@ public:
>         AXTextDeleted,
>     };
> 
>-    void nodeTextChangeNotification(RenderObject*, AXTextChange, unsigned offset, const String&);
>+    void nodeTextChangeNotification(Node*, AXTextChange, unsigned offset, const String&);
> 
>     enum AXLoadingEvent {
>         AXLoadingStarted,
>@@ -180,6 +179,11 @@ protected:
>     void nodeTextChangePlatformNotification(AccessibilityObject*, AXTextChange, unsigned offset, const String&);
>     void frameLoadingEventPlatformNotification(AccessibilityObject*, AXLoadingEvent);
> 
>+    // This is a weak reference cache for knowing if Nodes used by TextMarkers are valid.
>+    void setNodeInUse(Node* n) { m_textMarkerNodes.add(n); }
>+    void removeNodeForUse(Node* n) { m_textMarkerNodes.remove(n); }
>+    bool isNodeInUse(Node* n) { return m_textMarkerNodes.contains(n); }
>+
> private:
>     Document* m_document;
>     HashMap<AXID, RefPtr<AccessibilityObject> > m_objects;
>@@ -220,28 +224,32 @@ inline Element* AXObjectCache::rootAXEdi
> inline bool nodeHasRole(Node*, const String&) { return false; }
> inline const Element* AXObjectCache::rootAXEditableElement(const Node*) { return 0; }
> inline void AXObjectCache::attachWrapper(AccessibilityObject*) { }
>-inline void AXObjectCache::checkedStateChanged(RenderObject*) { }
>+inline void AXObjectCache::checkedStateChanged(Node*) { }
> inline void AXObjectCache::childrenChanged(RenderObject*) { }
>+inline void AXObjectCache::childrenChanged(Node*) { }
> inline void AXObjectCache::contentChanged(RenderObject*) { }
>+inline void AXObjectCache::contentChanged(Node*) { }
> inline void AXObjectCache::detachWrapper(AccessibilityObject*) { }
> inline void AXObjectCache::frameLoadingEventNotification(Frame*, AXLoadingEvent) { }
> inline void AXObjectCache::frameLoadingEventPlatformNotification(AccessibilityObject*, AXLoadingEvent) { }
>-inline void AXObjectCache::handleActiveDescendantChanged(RenderObject*) { }
>-inline void AXObjectCache::handleAriaExpandedChange(RenderObject*) { }
>-inline void AXObjectCache::handleAriaRoleChanged(RenderObject*) { }
>-inline void AXObjectCache::handleFocusedUIElementChanged(RenderObject*, RenderObject*) { }
>+inline void AXObjectCache::handleActiveDescendantChanged(Node*) { }
>+inline void AXObjectCache::handleAriaExpandedChange(Node*) { }
>+inline void AXObjectCache::handleAriaRoleChanged(Node*) { }
>+inline void AXObjectCache::handleFocusedUIElementChanged(Node*, Node*) { }
> inline void AXObjectCache::handleScrollbarUpdate(ScrollView*) { }
> inline void AXObjectCache::handleScrolledToAnchor(const Node*) { }
> inline void AXObjectCache::nodeTextChangeNotification(RenderObject*, AXTextChange, unsigned, const String&) { }
> inline void AXObjectCache::nodeTextChangePlatformNotification(AccessibilityObject*, AXTextChange, unsigned, const String&) { }
> inline void AXObjectCache::postNotification(AccessibilityObject*, Document*, AXNotification, bool postToElement, PostType) { }
> inline void AXObjectCache::postNotification(RenderObject*, AXNotification, bool postToElement, PostType) { }
>+inline void AXObjectCache::postNotification(Node*, AXNotification, bool postToElement, PostType) { }
> inline void AXObjectCache::postPlatformNotification(AccessibilityObject*, AXNotification) { }
> inline void AXObjectCache::remove(AXID) { }
> inline void AXObjectCache::remove(RenderObject*) { }
> inline void AXObjectCache::remove(Node*) { }
> inline void AXObjectCache::remove(Widget*) { }
> inline void AXObjectCache::selectedChildrenChanged(RenderObject*) { }
>+inline void AXObjectCache::selectedChildrenChanged(Node*) { }
> #endif
> 
> }
>Index: Source/WebCore/accessibility/AccessibilityListBoxOption.cpp
>===================================================================
>--- Source/WebCore/accessibility/AccessibilityListBoxOption.cpp	(revision 123429)
>+++ Source/WebCore/accessibility/AccessibilityListBoxOption.cpp	(working copy)
>@@ -172,7 +172,7 @@ AccessibilityObject* AccessibilityListBo
>     if (!parentNode)
>         return 0;
>     
>-    return m_optionElement->document()->axObjectCache()->getOrCreate(parentNode->renderer());
>+    return m_optionElement->document()->axObjectCache()->getOrCreate(parentNode);
> }
> 
> void AccessibilityListBoxOption::setSelected(bool selected)
>Index: Source/WebCore/accessibility/AccessibilityObject.cpp
>===================================================================
>--- Source/WebCore/accessibility/AccessibilityObject.cpp	(revision 123429)
>+++ Source/WebCore/accessibility/AccessibilityObject.cpp	(working copy)
>@@ -384,7 +384,7 @@ static void appendAccessibilityObject(Ac
>         if (!doc || !doc->renderer())
>             return;
>         
>-        object = object->axObjectCache()->getOrCreate(doc->renderer());
>+        object = object->axObjectCache()->getOrCreate(doc);
>     }
> 
>     if (object)
>@@ -779,7 +779,7 @@ static bool replacedNodeNeedsCharacter(N
>         return false;
> 
>     // create an AX object, but skip it if it is not supposed to be seen
>-    AccessibilityObject* object = replacedNode->renderer()->document()->axObjectCache()->getOrCreate(replacedNode->renderer());
>+    AccessibilityObject* object = replacedNode->renderer()->document()->axObjectCache()->getOrCreate(replacedNode);
>     if (object->accessibilityIsIgnored())
>         return false;
> 
>Index: Source/WebCore/accessibility/AccessibilityRenderObject.cpp
>===================================================================
>--- Source/WebCore/accessibility/AccessibilityRenderObject.cpp	(revision 123429)
>+++ Source/WebCore/accessibility/AccessibilityRenderObject.cpp	(working copy)
>@@ -998,7 +998,7 @@ AccessibilityObject* AccessibilityRender
> {
>     Element* menu = menuElementForMenuButton();
>     if (menu && menu->renderer())
>-        return axObjectCache()->getOrCreate(menu->renderer());
>+        return axObjectCache()->getOrCreate(menu);
>     return 0;
> }
> 
>@@ -1016,7 +1016,7 @@ AccessibilityObject* AccessibilityRender
> 
>     if (menuItem && menuItem->renderer()) {
>         // ARIA just has generic menu items.  AppKit needs to know if this is a top level items like MenuBarButton or MenuBarItem
>-        AccessibilityObject* menuItemAX = axObjectCache()->getOrCreate(menuItem->renderer());
>+        AccessibilityObject* menuItemAX = axObjectCache()->getOrCreate(menuItem);
>         if (menuItemAX->isMenuButton())
>             return menuItemAX;
>     }
>@@ -1539,7 +1539,7 @@ LayoutRect AccessibilityRenderObject::ch
>     if (!label || !label->renderer())
>         return boundingBoxRect();
>     
>-    LayoutRect labelRect = axObjectCache()->getOrCreate(label->renderer())->elementRect();
>+    LayoutRect labelRect = axObjectCache()->getOrCreate(label)->elementRect();
>     labelRect.unite(boundingBoxRect());
>     return labelRect;
> }
>@@ -1627,7 +1627,7 @@ void AccessibilityRenderObject::addRadio
>         unsigned len = formElements.size();
>         for (unsigned i = 0; i < len; ++i) {
>             Node* associateElement = formElements[i].get();
>-            if (AccessibilityObject* object = axObjectCache()->getOrCreate(associateElement->renderer()))
>+            if (AccessibilityObject* object = axObjectCache()->getOrCreate(associateElement))
>                 linkedUIElements.append(object);        
>         } 
>     } else {
>@@ -1637,7 +1637,7 @@ void AccessibilityRenderObject::addRadio
>             if (list->item(i)->hasTagName(inputTag)) {
>                 HTMLInputElement* associateElement = static_cast<HTMLInputElement*>(list->item(i));
>                 if (associateElement->isRadioButton() && associateElement->name() == input->name()) {
>-                    if (AccessibilityObject* object = axObjectCache()->getOrCreate(associateElement->renderer()))
>+                    if (AccessibilityObject* object = axObjectCache()->getOrCreate(associateElement))
>                         linkedUIElements.append(object);
>                 }
>             }
>@@ -1764,7 +1764,7 @@ AccessibilityObject* AccessibilityRender
>         return 0;
>     HTMLLabelElement* label = labelForElement(static_cast<Element*>(element));
>     if (label && label->renderer())
>-        return axObjectCache()->getOrCreate(label->renderer());
>+        return axObjectCache()->getOrCreate(label);
> 
>     return 0;   
> }
>@@ -2249,7 +2249,7 @@ bool AccessibilityRenderObject::isTabIte
>     unsigned count = elements.size();
>     for (unsigned k = 0; k < count; ++k) {
>         Element* element = elements[k];
>-        AccessibilityObject* tabPanel = axObjectCache()->getOrCreate(element->renderer());
>+        AccessibilityObject* tabPanel = axObjectCache()->getOrCreate(element);
> 
>         // A tab item should only control tab panels.
>         if (!tabPanel || tabPanel->roleValue() != TabPanelRole)
>@@ -2448,7 +2448,7 @@ AccessibilityObject* AccessibilityRender
>     if (!imageElement)
>         return 0;
>     
>-    return axObjectCache()->getOrCreate(imageElement->renderer());
>+    return axObjectCache()->getOrCreate(imageElement);
> }
>     
> void AccessibilityRenderObject::getDocumentLinks(AccessibilityChildrenVector& result)
>@@ -2634,12 +2634,12 @@ Element* AccessibilityRenderObject::root
>     return rootEditableElement;
> }
> 
>-bool AccessibilityRenderObject::nodeIsTextControl(const Node* node) const
>+bool AccessibilityRenderObject::nodeIsTextControl(Node* node) const
> {
>     if (!node)
>         return false;
> 
>-    const AccessibilityObject* axObjectForNode = axObjectCache()->getOrCreate(node->renderer());
>+    const AccessibilityObject* axObjectForNode = axObjectCache()->getOrCreate(node);
>     if (!axObjectForNode)
>         return false;
> 
>@@ -2979,7 +2979,7 @@ AccessibilityObject* AccessibilityRender
>     if (!target)
>         return 0;
>     
>-    AccessibilityObject* obj = axObjectCache()->getOrCreate(target->renderer());
>+    AccessibilityObject* obj = axObjectCache()->getOrCreate(target);
>     if (obj && obj->isAccessibilityRenderObject())
>     // an activedescendant is only useful if it has a renderer, because that's what's needed to post the notification
>         return obj;
>@@ -3044,7 +3044,7 @@ AccessibilityObject* AccessibilityRender
>     if (!correspondingControl)
>         return 0;
>     
>-    return axObjectCache()->getOrCreate(correspondingControl->renderer());     
>+    return axObjectCache()->getOrCreate(correspondingControl);     
> }
> 
> AccessibilityObject* AccessibilityRenderObject::correspondingLabelForControlElement() const
>@@ -3056,7 +3056,7 @@ AccessibilityObject* AccessibilityRender
>     if (node && node->isHTMLElement()) {
>         HTMLLabelElement* label = labelForElement(static_cast<Element*>(node));
>         if (label)
>-            return axObjectCache()->getOrCreate(label->renderer());
>+            return axObjectCache()->getOrCreate(label);
>     }
> 
>     return 0;
>Index: Source/WebCore/accessibility/AccessibilityRenderObject.h
>===================================================================
>--- Source/WebCore/accessibility/AccessibilityRenderObject.h	(revision 123429)
>+++ Source/WebCore/accessibility/AccessibilityRenderObject.h	(working copy)
>@@ -280,7 +280,7 @@ private:
>     String positionalDescriptionForMSAA() const;
>     PlainTextRange ariaSelectedTextRange() const;
>     Element* rootEditableElementForPosition(const Position&) const;
>-    bool nodeIsTextControl(const Node*) const;
>+    bool nodeIsTextControl(Node*) const;
>     virtual void setNeedsToUpdateChildren() { m_childrenDirty = true; }
> 
>     Element* menuElementForMenuButton() const;
>Index: Source/WebCore/accessibility/AccessibilityScrollView.cpp
>===================================================================
>--- Source/WebCore/accessibility/AccessibilityScrollView.cpp	(revision 123429)
>+++ Source/WebCore/accessibility/AccessibilityScrollView.cpp	(working copy)
>@@ -160,7 +160,7 @@ AccessibilityObject* AccessibilityScroll
>     if (!doc || !doc->renderer())
>         return 0;
> 
>-    return axObjectCache()->getOrCreate(doc->renderer());
>+    return axObjectCache()->getOrCreate(doc);
> }
> 
> AccessibilityObject* AccessibilityScrollView::accessibilityHitTest(const IntPoint& point) const
>@@ -197,7 +197,7 @@ AccessibilityObject* AccessibilityScroll
>     
>     HTMLFrameOwnerElement* owner = static_cast<FrameView*>(m_scrollView.get())->frame()->ownerElement();
>     if (owner && owner->renderer())
>-        return axObjectCache()->getOrCreate(owner->renderer());
>+        return axObjectCache()->getOrCreate(owner);
> 
>     return 0;
> }
>@@ -209,7 +209,7 @@ AccessibilityObject* AccessibilityScroll
>     
>     HTMLFrameOwnerElement* owner = static_cast<FrameView*>(m_scrollView.get())->frame()->ownerElement();
>     if (owner && owner->renderer())
>-        return axObjectCache()->get(owner->renderer());
>+        return axObjectCache()->get(owner);
>     
>     return 0;
> }
>Index: Source/WebCore/accessibility/chromium/AXObjectCacheChromium.cpp
>===================================================================
>--- Source/WebCore/accessibility/chromium/AXObjectCacheChromium.cpp	(revision 123429)
>+++ Source/WebCore/accessibility/chromium/AXObjectCacheChromium.cpp	(working copy)
>@@ -113,12 +113,12 @@ void AXObjectCache::frameLoadingEventPla
> {
> }
> 
>-void AXObjectCache::handleFocusedUIElementChanged(RenderObject*, RenderObject* newFocusedRenderer)
>+void AXObjectCache::handleFocusedUIElementChanged(Node*, Node* newFocusedNode)
> {
>-    if (!newFocusedRenderer)
>+    if (!newFocusedNode)
>         return;
> 
>-    Page* page = newFocusedRenderer->document()->page();
>+    Page* page = newFocusedNode->document()->page();
>     if (!page)
>         return;
> 
>Index: Source/WebCore/accessibility/gtk/AXObjectCacheAtk.cpp
>===================================================================
>--- Source/WebCore/accessibility/gtk/AXObjectCacheAtk.cpp	(revision 123429)
>+++ Source/WebCore/accessibility/gtk/AXObjectCacheAtk.cpp	(working copy)
>@@ -217,14 +217,14 @@ void AXObjectCache::frameLoadingEventPla
>     }
> }
> 
>-void AXObjectCache::handleFocusedUIElementChanged(RenderObject* oldFocusedRender, RenderObject* newFocusedRender)
>+void AXObjectCache::handleFocusedUIElementChanged(Node* oldFocusedNode, Node* newFocusedNode)
> {
>-    RefPtr<AccessibilityObject> oldObject = getOrCreate(oldFocusedRender);
>+    RefPtr<AccessibilityObject> oldObject = getOrCreate(oldFocusedNode);
>     if (oldObject) {
>         g_signal_emit_by_name(oldObject->wrapper(), "focus-event", false);
>         g_signal_emit_by_name(oldObject->wrapper(), "state-change", "focused", false);
>     }
>-    RefPtr<AccessibilityObject> newObject = getOrCreate(newFocusedRender);
>+    RefPtr<AccessibilityObject> newObject = getOrCreate(newFocusedNode);
>     if (newObject) {
>         g_signal_emit_by_name(newObject->wrapper(), "focus-event", true);
>         g_signal_emit_by_name(newObject->wrapper(), "state-change", "focused", true);
>Index: Source/WebCore/accessibility/mac/AXObjectCacheMac.mm
>===================================================================
>--- Source/WebCore/accessibility/mac/AXObjectCacheMac.mm	(revision 123429)
>+++ Source/WebCore/accessibility/mac/AXObjectCacheMac.mm	(working copy)
>@@ -139,7 +139,7 @@ void AXObjectCache::frameLoadingEventPla
> {
> }
> 
>-void AXObjectCache::handleFocusedUIElementChanged(RenderObject*, RenderObject*)
>+void AXObjectCache::handleFocusedUIElementChanged(Node*, Node*)
> {
>     wkAccessibilityHandleFocusChanged();
> }
>Index: Source/WebCore/accessibility/win/AXObjectCacheWin.cpp
>===================================================================
>--- Source/WebCore/accessibility/win/AXObjectCacheWin.cpp	(revision 123429)
>+++ Source/WebCore/accessibility/win/AXObjectCacheWin.cpp	(working copy)
>@@ -134,12 +134,12 @@ AXID AXObjectCache::platformGenerateAXID
>     return objID;
> }
> 
>-void AXObjectCache::handleFocusedUIElementChanged(RenderObject*, RenderObject* newFocusedRenderer)
>+void AXObjectCache::handleFocusedUIElementChanged(Node*, Node* newFocusedNode)
> {
>-    if (!newFocusedRenderer)
>+    if (!newFocusedNode)
>         return;
> 
>-    Page* page = newFocusedRenderer->document()->page();
>+    Page* page = newFocusedNode->document()->page();
>     if (!page || !page->chrome()->platformPageClient())
>         return;
> 
>Index: Source/WebCore/bindings/cpp/WebDOMCustomVoidCallback.cpp
>===================================================================
>--- Source/WebCore/bindings/cpp/WebDOMCustomVoidCallback.cpp	(revision 123429)
>+++ Source/WebCore/bindings/cpp/WebDOMCustomVoidCallback.cpp	(working copy)
>@@ -45,4 +45,4 @@ void WebDOMCustomVoidCallback::handleEve
> WebCore::VoidCallback* toWebCore(const WebDOMCustomVoidCallback& callback)
> {
>     return const_cast<WebCore::VoidCallback*>((WebCore::VoidCallback*)&callback);
>-}
>\ No newline at end of file
>+}
>Index: Source/WebCore/dom/Document.cpp
>===================================================================
>--- Source/WebCore/dom/Document.cpp	(revision 123429)
>+++ Source/WebCore/dom/Document.cpp	(working copy)
>@@ -3842,17 +3842,8 @@ bool Document::setFocusedNode(PassRefPtr
>     }
> 
> #if PLATFORM(MAC) || PLATFORM(WIN) || PLATFORM(GTK) || PLATFORM(CHROMIUM)
>-    if (!focusChangeBlocked && m_focusedNode && AXObjectCache::accessibilityEnabled()) {
>-        RenderObject* oldFocusedRenderer = 0;
>-        RenderObject* newFocusedRenderer = 0;
>-
>-        if (oldFocusedNode)
>-            oldFocusedRenderer = oldFocusedNode->renderer();
>-        if (newFocusedNode)
>-            newFocusedRenderer = newFocusedNode->renderer();
>-
>-        axObjectCache()->handleFocusedUIElementChanged(oldFocusedRenderer, newFocusedRenderer);
>-    }
>+    if (!focusChangeBlocked && m_focusedNode && AXObjectCache::accessibilityEnabled())
>+        axObjectCache()->handleFocusedUIElementChanged(oldFocusedNode.get(), newFocusedNode.get());
> #endif
>     if (!focusChangeBlocked)
>         page()->chrome()->focusedNodeChanged(m_focusedNode.get());
>Index: Source/WebCore/dom/Element.cpp
>===================================================================
>--- Source/WebCore/dom/Element.cpp	(revision 123429)
>+++ Source/WebCore/dom/Element.cpp	(working copy)
>@@ -713,26 +713,26 @@ void Element::attributeChanged(const Att
>     const QualifiedName& attrName = attribute.name();
>     if (attrName == aria_activedescendantAttr) {
>         // any change to aria-activedescendant attribute triggers accessibility focus change, but document focus remains intact
>-        document()->axObjectCache()->handleActiveDescendantChanged(renderer());
>+        document()->axObjectCache()->handleActiveDescendantChanged(this);
>     } else if (attrName == roleAttr) {
>         // the role attribute can change at any time, and the AccessibilityObject must pick up these changes
>-        document()->axObjectCache()->handleAriaRoleChanged(renderer());
>+        document()->axObjectCache()->handleAriaRoleChanged(this);
>     } else if (attrName == aria_valuenowAttr) {
>         // If the valuenow attribute changes, AX clients need to be notified.
>-        document()->axObjectCache()->postNotification(renderer(), AXObjectCache::AXValueChanged, true);
>+        document()->axObjectCache()->postNotification(this, AXObjectCache::AXValueChanged, true);
>     } else if (attrName == aria_labelAttr || attrName == aria_labeledbyAttr || attrName == altAttr || attrName == titleAttr) {
>         // If the content of an element changes due to an attribute change, notify accessibility.
>-        document()->axObjectCache()->contentChanged(renderer());
>+        document()->axObjectCache()->contentChanged(this);
>     } else if (attrName == aria_checkedAttr)
>-        document()->axObjectCache()->checkedStateChanged(renderer());
>+        document()->axObjectCache()->checkedStateChanged(this);
>     else if (attrName == aria_selectedAttr)
>-        document()->axObjectCache()->selectedChildrenChanged(renderer());
>+        document()->axObjectCache()->selectedChildrenChanged(this);
>     else if (attrName == aria_expandedAttr)
>-        document()->axObjectCache()->handleAriaExpandedChange(renderer());
>+        document()->axObjectCache()->handleAriaExpandedChange(this);
>     else if (attrName == aria_hiddenAttr)
>-        document()->axObjectCache()->childrenChanged(renderer());
>+        document()->axObjectCache()->childrenChanged(this);
>     else if (attrName == aria_invalidAttr)
>-        document()->axObjectCache()->postNotification(renderer(), AXObjectCache::AXInvalidStatusChanged, true);
>+        document()->axObjectCache()->postNotification(this, AXObjectCache::AXInvalidStatusChanged, true);
> }
> 
> // Returns true is the given attribute is an event handler.
>Index: Source/WebCore/dom/Node.cpp
>===================================================================
>--- Source/WebCore/dom/Node.cpp	(revision 123429)
>+++ Source/WebCore/dom/Node.cpp	(working copy)
>@@ -408,7 +408,7 @@ Node::~Node()
> 
>     Document* doc = m_document;
>     if (AXObjectCache::accessibilityEnabled() && doc && doc->axObjectCacheExists())
>-        doc->axObjectCache()->removeNodeForUse(this);
>+        doc->axObjectCache()->remove(this);
>     
>     if (m_previous)
>         m_previous->setNextSibling(0);
>@@ -1295,11 +1295,14 @@ void Node::detach()
>     detachingNode = this;
> #endif
> 
>+    Document* doc = document();
>+    if (AXObjectCache::accessibilityEnabled() && doc && doc->axObjectCacheExists())
>+        doc->axObjectCache()->remove(this);
>+
>     if (renderer())
>         renderer()->destroyAndCleanupAnonymousWrappers();
>     setRenderer(0);
> 
>-    Document* doc = document();
>     if (hovered())
>         doc->hoveredNodeDetached(this);
>     if (inActiveChain())
>Index: Source/WebCore/editing/AppendNodeCommand.cpp
>===================================================================
>--- Source/WebCore/editing/AppendNodeCommand.cpp	(revision 123429)
>+++ Source/WebCore/editing/AppendNodeCommand.cpp	(working copy)
>@@ -51,7 +51,7 @@ static void sendAXTextChangedIgnoringLin
>     if (nodeValue == "\n")
>       return;
> 
>-    node->document()->axObjectCache()->nodeTextChangeNotification(node->renderer(), textChange, 0, nodeValue);
>+    node->document()->axObjectCache()->nodeTextChangeNotification(node, textChange, 0, nodeValue);
> }
> 
> void AppendNodeCommand::doApply()
>Index: Source/WebCore/editing/DeleteFromTextNodeCommand.cpp
>===================================================================
>--- Source/WebCore/editing/DeleteFromTextNodeCommand.cpp	(revision 123429)
>+++ Source/WebCore/editing/DeleteFromTextNodeCommand.cpp	(working copy)
>@@ -57,7 +57,7 @@ void DeleteFromTextNodeCommand::doApply(
>     
>     // Need to notify this before actually deleting the text
>     if (AXObjectCache::accessibilityEnabled())
>-        document()->axObjectCache()->nodeTextChangeNotification(m_node->renderer(), AXObjectCache::AXTextDeleted, m_offset, m_text);
>+        document()->axObjectCache()->nodeTextChangeNotification(m_node.get(), AXObjectCache::AXTextDeleted, m_offset, m_text);
> 
>     m_node->deleteData(m_offset, m_count, ec);
> }
>@@ -73,7 +73,7 @@ void DeleteFromTextNodeCommand::doUnappl
>     m_node->insertData(m_offset, m_text, ec);
> 
>     if (AXObjectCache::accessibilityEnabled())
>-        document()->axObjectCache()->nodeTextChangeNotification(m_node->renderer(), AXObjectCache::AXTextInserted, m_offset, m_text);
>+        document()->axObjectCache()->nodeTextChangeNotification(m_node.get(), AXObjectCache::AXTextInserted, m_offset, m_text);
> }
> 
> #ifndef NDEBUG
>Index: Source/WebCore/editing/Editor.cpp
>===================================================================
>--- Source/WebCore/editing/Editor.cpp	(revision 123429)
>+++ Source/WebCore/editing/Editor.cpp	(working copy)
>@@ -494,7 +494,7 @@ void Editor::respondToChangedContents(co
>     if (AXObjectCache::accessibilityEnabled()) {
>         Node* node = endingSelection.start().deprecatedNode();
>         if (node)
>-            m_frame->document()->axObjectCache()->postNotification(node->renderer(), AXObjectCache::AXValueChanged, false);
>+            m_frame->document()->axObjectCache()->postNotification(node, AXObjectCache::AXValueChanged, false);
>     }
> 
>     updateMarkersForWordsAffectedByEditing(true);
>@@ -2128,7 +2128,7 @@ void Editor::markAndReplaceFor(PassRefPt
>                 
>                 if (AXObjectCache::accessibilityEnabled()) {
>                     if (Element* root = m_frame->selection()->selection().rootEditableElement())
>-                        m_frame->document()->axObjectCache()->postNotification(root->renderer(), AXObjectCache::AXAutocorrectionOccured, true);
>+                        m_frame->document()->axObjectCache()->postNotification(root, AXObjectCache::AXAutocorrectionOccured, true);
>                 }
> 
>                 selectionChanged = true;
>Index: Source/WebCore/editing/InsertIntoTextNodeCommand.cpp
>===================================================================
>--- Source/WebCore/editing/InsertIntoTextNodeCommand.cpp	(revision 123429)
>+++ Source/WebCore/editing/InsertIntoTextNodeCommand.cpp	(working copy)
>@@ -60,7 +60,7 @@ void InsertIntoTextNodeCommand::doApply(
>     m_node->insertData(m_offset, m_text, ec);
> 
>     if (AXObjectCache::accessibilityEnabled())
>-        document()->axObjectCache()->nodeTextChangeNotification(m_node->renderer(), AXObjectCache::AXTextInserted, m_offset, m_text);
>+        document()->axObjectCache()->nodeTextChangeNotification(m_node.get(), AXObjectCache::AXTextInserted, m_offset, m_text);
> }
> 
> void InsertIntoTextNodeCommand::doUnapply()
>@@ -70,7 +70,7 @@ void InsertIntoTextNodeCommand::doUnappl
>         
>     // Need to notify this before actually deleting the text
>     if (AXObjectCache::accessibilityEnabled())
>-        document()->axObjectCache()->nodeTextChangeNotification(m_node->renderer(), AXObjectCache::AXTextDeleted, m_offset, m_text);
>+        document()->axObjectCache()->nodeTextChangeNotification(m_node.get(), AXObjectCache::AXTextDeleted, m_offset, m_text);
> 
>     ExceptionCode ec;
>     m_node->deleteData(m_offset, m_text.length(), ec);
>Index: Source/WebCore/editing/InsertNodeBeforeCommand.cpp
>===================================================================
>--- Source/WebCore/editing/InsertNodeBeforeCommand.cpp	(revision 123429)
>+++ Source/WebCore/editing/InsertNodeBeforeCommand.cpp	(working copy)
>@@ -55,7 +55,7 @@ void InsertNodeBeforeCommand::doApply()
>     parent->insertBefore(m_insertChild.get(), m_refChild.get(), ec);
> 
>     if (AXObjectCache::accessibilityEnabled())
>-        document()->axObjectCache()->nodeTextChangeNotification(m_insertChild->renderer(), AXObjectCache::AXTextInserted, 0, m_insertChild->nodeValue());
>+        document()->axObjectCache()->nodeTextChangeNotification(m_insertChild.get(), AXObjectCache::AXTextInserted, 0, m_insertChild->nodeValue());
> }
> 
> void InsertNodeBeforeCommand::doUnapply()
>@@ -65,7 +65,7 @@ void InsertNodeBeforeCommand::doUnapply(
>         
>     // Need to notify this before actually deleting the text
>     if (AXObjectCache::accessibilityEnabled())
>-        document()->axObjectCache()->nodeTextChangeNotification(m_insertChild->renderer(), AXObjectCache::AXTextDeleted, 0, m_insertChild->nodeValue());
>+        document()->axObjectCache()->nodeTextChangeNotification(m_insertChild.get(), AXObjectCache::AXTextDeleted, 0, m_insertChild->nodeValue());
> 
>     ExceptionCode ec;
>     m_insertChild->remove(ec);
>Index: Source/WebCore/editing/chromium/FrameSelectionChromium.cpp
>===================================================================
>--- Source/WebCore/editing/chromium/FrameSelectionChromium.cpp	(revision 123429)
>+++ Source/WebCore/editing/chromium/FrameSelectionChromium.cpp	(working copy)
>@@ -42,7 +42,7 @@ void FrameSelection::notifyAccessibility
>     // FIXME: Support editable text in chromium.
>     if (AXObjectCache::accessibilityEnabled() && m_selection.start().isNotNull() && m_selection.end().isNotNull()) {
>         Document* document = m_frame->document();
>-        document->axObjectCache()->postNotification(m_selection.start().deprecatedNode()->renderer(), AXObjectCache::AXSelectedTextChanged, false);
>+        document->axObjectCache()->postNotification(m_selection.start().deprecatedNode(), AXObjectCache::AXSelectedTextChanged, false);
>     }
> }
> 
>Index: Source/WebCore/html/HTMLInputElement.cpp
>===================================================================
>--- Source/WebCore/html/HTMLInputElement.cpp	(revision 123429)
>+++ Source/WebCore/html/HTMLInputElement.cpp	(working copy)
>@@ -853,7 +853,7 @@ void HTMLInputElement::setChecked(bool n
>     // RenderTextView), but it's not possible to do it at the moment
>     // because of the way the code is structured.
>     if (renderer() && AXObjectCache::accessibilityEnabled())
>-        renderer()->document()->axObjectCache()->checkedStateChanged(renderer());
>+        renderer()->document()->axObjectCache()->checkedStateChanged(this);
> 
>     // Only send a change event for items in the document (avoid firing during
>     // parsing) and don't send a change event for a radio button that's getting
>Index: Source/WebCore/html/HTMLSelectElement.cpp
>===================================================================
>--- Source/WebCore/html/HTMLSelectElement.cpp	(revision 123429)
>+++ Source/WebCore/html/HTMLSelectElement.cpp	(working copy)
>@@ -378,7 +378,7 @@ void HTMLSelectElement::childrenChanged(
>     HTMLFormControlElementWithState::childrenChanged(changedByParser, beforeChange, afterChange, childCountDelta);
>     
>     if (AXObjectCache::accessibilityEnabled() && renderer())
>-        renderer()->document()->axObjectCache()->childrenChanged(renderer());
>+        renderer()->document()->axObjectCache()->childrenChanged(this);
> }
> 
> void HTMLSelectElement::optionElementChildrenChanged()
>@@ -387,7 +387,7 @@ void HTMLSelectElement::optionElementChi
>     setNeedsValidityCheck();
> 
>     if (AXObjectCache::accessibilityEnabled() && renderer())
>-        renderer()->document()->axObjectCache()->childrenChanged(renderer());
>+        renderer()->document()->axObjectCache()->childrenChanged(this);
> }
> 
> void HTMLSelectElement::accessKeyAction(bool sendMouseEvents)
>Index: Source/WebCore/html/HTMLTextFormControlElement.cpp
>===================================================================
>--- Source/WebCore/html/HTMLTextFormControlElement.cpp	(revision 123429)
>+++ Source/WebCore/html/HTMLTextFormControlElement.cpp	(working copy)
>@@ -484,7 +484,7 @@ void HTMLTextFormControlElement::setInne
>     bool textIsChanged = value != innerTextValue();
>     if (textIsChanged || !innerTextElement()->hasChildNodes()) {
>         if (textIsChanged && document() && renderer() && AXObjectCache::accessibilityEnabled())
>-            document()->axObjectCache()->postNotification(renderer(), AXObjectCache::AXValueChanged, false);
>+            document()->axObjectCache()->postNotification(this, AXObjectCache::AXValueChanged, false);
> 
>         ExceptionCode ec = 0;
>         innerTextElement()->setInnerText(value, ec);
>Index: Source/WebCore/html/InputType.cpp
>===================================================================
>--- Source/WebCore/html/InputType.cpp	(revision 123429)
>+++ Source/WebCore/html/InputType.cpp	(working copy)
>@@ -957,7 +957,7 @@ void InputType::applyStep(int count, Any
>     setValueAsDecimal(newValue, eventBehavior, ec);
> 
>     if (AXObjectCache::accessibilityEnabled())
>-         element()->document()->axObjectCache()->postNotification(element()->renderer(), AXObjectCache::AXValueChanged, true);
>+         element()->document()->axObjectCache()->postNotification(element(), AXObjectCache::AXValueChanged, true);
> }
> 
> bool InputType::getAllowedValueStep(Decimal* step) const
>Index: Source/WebCore/html/RangeInputType.cpp
>===================================================================
>--- Source/WebCore/html/RangeInputType.cpp	(revision 123429)
>+++ Source/WebCore/html/RangeInputType.cpp	(working copy)
>@@ -225,7 +225,7 @@ void RangeInputType::handleKeydownEvent(
>         setValueAsDecimal(newValue, eventBehavior, ec);
> 
>         if (AXObjectCache::accessibilityEnabled())
>-            element()->document()->axObjectCache()->postNotification(element()->renderer(), AXObjectCache::AXValueChanged, true);
>+            element()->document()->axObjectCache()->postNotification(element(), AXObjectCache::AXValueChanged, true);
>         element()->dispatchFormControlChangeEvent();
>     }
> 
>Index: Source/WebCore/page/FocusController.cpp
>===================================================================
>--- Source/WebCore/page/FocusController.cpp	(revision 123429)
>+++ Source/WebCore/page/FocusController.cpp	(working copy)
>@@ -285,7 +285,7 @@ bool FocusController::setInitialFocus(Fo
>     // into the web area again, even if focus did not change within WebCore. PostNotification is called instead
>     // of handleFocusedUIElementChanged, because this will send the notification even if the element is the same.
>     if (AXObjectCache::accessibilityEnabled())
>-        focusedOrMainFrame()->document()->axObjectCache()->postNotification(focusedOrMainFrame()->document()->renderer(), AXObjectCache::AXFocusedUIElementChanged, true);
>+        focusedOrMainFrame()->document()->axObjectCache()->postNotification(focusedOrMainFrame()->document(), AXObjectCache::AXFocusedUIElementChanged, true);
> 
>     return didAdvanceFocus;
> }
>Index: LayoutTests/ChangeLog
>===================================================================
>--- LayoutTests/ChangeLog	(revision 123710)
>+++ LayoutTests/ChangeLog	(working copy)
>@@ -1,3 +1,28 @@
>+2012-07-26  Dominic Mazzoni  <dmazzoni@google.com>
>+
>+        AX: Calls to AXObjectCache should prefer Node over Renderer
>+        https://bugs.webkit.org/show_bug.cgi?id=91794
>+
>+        Reviewed by NOBODY (OOPS!).
>+
>+        New tests:
>+        - canvas-fallback-content tests that objects in a canvas subtree can be
>+          focused and then you can retrieve the role of the accessible object.
>+        - accessibility-node-memory-management ensures that an AccessibilityNodeObject
>+          is detached when its node is destroyed.
>+        - accessibility-node-reparent ensures that if an AccessibilityNodeObject is
>+          created for a node without a renderer, but the node later gets a renderer,
>+          the AccessibilityNodeObject is detached and an AccessibilityRenderObject is
>+          created instead.
>+
>+        * accessibility/accessibility-node-memory-management-expected.txt: Added.
>+        * accessibility/accessibility-node-memory-management.html: Added.
>+        * accessibility/accessibility-node-reparent-expected.txt: Added.
>+        * accessibility/accessibility-node-reparent.html: Added.
>+        * accessibility/canvas-fallback-content-expected.txt: Added.
>+        * accessibility/canvas-fallback-content.html: Added.
>+        * platform/gtk/TestExpectations:
>+
> 2012-07-25  MORITA Hajime  <morrita@google.com>
> 
>         [Chromium][Win] <progress> animation on RTL direction is reverse
>Index: LayoutTests/accessibility/accessibility-node-memory-management-expected.txt
>===================================================================
>--- LayoutTests/accessibility/accessibility-node-memory-management-expected.txt	(revision 0)
>+++ LayoutTests/accessibility/accessibility-node-memory-management-expected.txt	(revision 0)
>@@ -0,0 +1,12 @@
>+This test makes sure that AccessibilityNodeObjects are properly detached when the node they point to is deleted.
>+
>+On success, you will see a series of "PASS" messages, followed by "TEST COMPLETE".
>+
>+
>+PASS expectedButtonRole != expectedDetachedRole is true
>+PASS canvasButtonRole is expectedButtonRole
>+PASS detachedCanvasButtonRole is expectedDetachedRole
>+PASS successfullyParsed is true
>+
>+TEST COMPLETE
>+
>
>Property changes on: LayoutTests/accessibility/accessibility-node-memory-management-expected.txt
>___________________________________________________________________
>Added: svn:eol-style
>   + LF
>
>Index: LayoutTests/accessibility/accessibility-node-memory-management.html
>===================================================================
>--- LayoutTests/accessibility/accessibility-node-memory-management.html	(revision 0)
>+++ LayoutTests/accessibility/accessibility-node-memory-management.html	(revision 0)
>@@ -0,0 +1,60 @@
>+<!DOCTYPE HTML>
>+<html>
>+<body>
>+<script src="../fast/js/resources/js-test-pre.js"></script>
>+
>+<canvas id="canvas" tabindex="-1"></canvas>
>+
>+<div id="console"></div>
>+<script>
>+description("This test makes sure that AccessibilityNodeObjects are properly detached when the node they point to is deleted.");
>+
>+if (window.layoutTestController && window.accessibilityController) {
>+    window.layoutTestController.dumpAsText();
>+
>+    // Create an ordinary button on the page, focus it and get its accessibility role.
>+    var button = document.createElement('button');
>+    document.body.appendChild(button);
>+    button.focus();
>+    window.axElement = accessibilityController.focusedElement;
>+    window.expectedButtonRole = axElement.role;
>+
>+    // Now remove the node from the tree and get the role of the detached accessibility object.
>+    document.body.removeChild(button);
>+    window.expectedDetachedRole = axElement.role;
>+    shouldBeTrue("expectedButtonRole != expectedDetachedRole");
>+
>+    // This time create a button that's a child of a canvas element. It will be focusable but not rendered.
>+    // In particular, this will create an AccessibilityNodeObject rather than an AccessibilityRenderObject.
>+    var canvas = document.getElementById('canvas');
>+    (function() {
>+        var button = document.createElement('button');
>+        canvas.appendChild(button);
>+
>+        // Note: focusing the button and using that to get its accessibility object creates an extra
>+        // reference to the button and it won't get deleted when we want it to. So instead we focus the
>+        // canvas and get its first child.
>+        canvas.focus();
>+        window.axElement = accessibilityController.focusedElement.childAtIndex(0);
>+
>+        window.canvasButtonRole = axElement.role;
>+        shouldBe("canvasButtonRole", "expectedButtonRole");
>+
>+        // Now delete the node.
>+        canvas.removeChild(button);
>+    })();
>+
>+    // Explicitly run garbage collection now; since there are no more references to the button,
>+    // the node will be destroyed.
>+    gc();
>+
>+    // Ensure that the accessibility object is detached by checking its role.
>+    window.detachedCanvasButtonRole = axElement.role;
>+    shouldBe("detachedCanvasButtonRole", "expectedDetachedRole");
>+}
>+
>+</script>
>+
>+<script src="../fast/js/resources/js-test-post.js"></script>
>+</body>
>+</html>
>
>Property changes on: LayoutTests/accessibility/accessibility-node-memory-management.html
>___________________________________________________________________
>Added: svn:mime-type
>   + text/html
>Added: svn:eol-style
>   + LF
>
>Index: LayoutTests/accessibility/accessibility-node-reparent-expected.txt
>===================================================================
>--- LayoutTests/accessibility/accessibility-node-reparent-expected.txt	(revision 0)
>+++ LayoutTests/accessibility/accessibility-node-reparent-expected.txt	(revision 0)
>@@ -0,0 +1,14 @@
>+
>+This test makes sure that AccessibilityNodeObjects are properly detached when the node they point to is reparented to a location that allows them to have a renderer.
>+
>+On success, you will see a series of "PASS" messages, followed by "TEST COMPLETE".
>+
>+
>+PASS expectedButtonRole != expectedDetachedRole is true
>+PASS canvasButtonRole is expectedButtonRole
>+PASS detachedCanvasButtonRole is expectedDetachedRole
>+PASS reparentedButtonRole is expectedButtonRole
>+PASS successfullyParsed is true
>+
>+TEST COMPLETE
>+
>
>Property changes on: LayoutTests/accessibility/accessibility-node-reparent-expected.txt
>___________________________________________________________________
>Added: svn:eol-style
>   + LF
>
>Index: LayoutTests/accessibility/accessibility-node-reparent.html
>===================================================================
>--- LayoutTests/accessibility/accessibility-node-reparent.html	(revision 0)
>+++ LayoutTests/accessibility/accessibility-node-reparent.html	(revision 0)
>@@ -0,0 +1,65 @@
>+<!DOCTYPE HTML>
>+<html>
>+<body>
>+<script src="../fast/js/resources/js-test-pre.js"></script>
>+
>+<div id="container" tabindex="-1"></div>
>+
>+<canvas id="canvas" tabindex="-1"></canvas>
>+
>+<div id="console"></div>
>+<script>
>+description("This test makes sure that AccessibilityNodeObjects are properly detached when the node they point to is reparented to a location that allows them to have a renderer.");
>+
>+if (window.layoutTestController && window.accessibilityController) {
>+    window.layoutTestController.dumpAsText();
>+
>+    // Create an ordinary button on the page, focus it and get its accessibility role.
>+    var button = document.createElement('button');
>+    document.body.appendChild(button);
>+    button.focus();
>+    window.axElement = accessibilityController.focusedElement;
>+    window.expectedButtonRole = axElement.role;
>+
>+    // Now remove the node from the tree and get the role of the detached accessibility object.
>+    document.body.removeChild(button);
>+    window.expectedDetachedRole = axElement.role;
>+    shouldBeTrue("expectedButtonRole != expectedDetachedRole");
>+
>+    // This time create a button that's a child of a canvas element. It will be focusable but not rendered.
>+    // In particular, this will create an AccessibilityNodeObject rather than an AccessibilityRenderObject.
>+    var canvas = document.getElementById('canvas');
>+    (function() {
>+        var button = document.createElement('button');
>+        canvas.appendChild(button);
>+
>+        // Note: focusing the button and using that to get its accessibility object creates an extra
>+        // reference to the button and it won't get deleted when we want it to. So instead we focus the
>+        // canvas and get its first child.
>+        canvas.focus();
>+        window.axElement = accessibilityController.focusedElement.childAtIndex(0);
>+
>+        window.canvasButtonRole = axElement.role;
>+        shouldBe("canvasButtonRole", "expectedButtonRole");
>+
>+        // Now reparent the node to a container that's not a canvas.
>+        var container = document.getElementById('container');
>+        container.appendChild(button);
>+        container.focus();
>+        window.axReparentedElement = accessibilityController.focusedElement.childAtIndex(0);
>+    })();
>+
>+    // Ensure that the old accessibility object is detached by checking its role.
>+    window.detachedCanvasButtonRole = axElement.role;
>+    shouldBe("detachedCanvasButtonRole", "expectedDetachedRole");
>+
>+    // Ensure that the new accessibility object for the now-reparented node has the correct role.
>+    window.reparentedButtonRole = axReparentedElement.role;
>+    shouldBe("reparentedButtonRole", "expectedButtonRole");
>+}
>+
>+</script>
>+
>+<script src="../fast/js/resources/js-test-post.js"></script>
>+</body>
>+</html>
>
>Property changes on: LayoutTests/accessibility/accessibility-node-reparent.html
>___________________________________________________________________
>Added: svn:mime-type
>   + text/html
>Added: svn:eol-style
>   + LF
>
>Index: LayoutTests/accessibility/canvas-fallback-content-expected.txt
>===================================================================
>--- LayoutTests/accessibility/canvas-fallback-content-expected.txt	(revision 0)
>+++ LayoutTests/accessibility/canvas-fallback-content-expected.txt	(revision 0)
>@@ -0,0 +1,101 @@
>+Link  Button          
>+Focusable
>+ARIA button
>+ARIA link
>+This test makes sure that focusable elements in canvas fallback content are accessible.
>+
>+On success, you will see a series of "PASS" messages, followed by "TEST COMPLETE".
>+
>+
>+link1
>+PASS document.activeElement == element is true
>+PASS axElement.role is "AXRole: AXLink"
>+
>+button1
>+PASS document.activeElement == element is true
>+PASS axElement.role is "AXRole: AXButton"
>+
>+text1
>+PASS document.activeElement == element is true
>+PASS axElement.role is "AXRole: AXTextField"
>+
>+checkbox1
>+PASS document.activeElement == element is true
>+PASS axElement.role is "AXRole: AXCheckBox"
>+
>+radio1
>+PASS document.activeElement == element is true
>+PASS axElement.role is "AXRole: AXRadioButton"
>+
>+submit1
>+PASS document.activeElement == element is true
>+PASS axElement.role is "AXRole: AXButton"
>+
>+combobox1
>+PASS document.activeElement == element is true
>+PASS axElement.role is "AXRole: AXPopUpButton"
>+
>+focusable1
>+PASS document.activeElement == element is true
>+PASS axElement.role is "AXRole: AXGroup"
>+
>+aria-button1
>+PASS document.activeElement == element is true
>+PASS axElement.role is "AXRole: AXButton"
>+
>+aria-link1
>+PASS document.activeElement == element is true
>+PASS axElement.role is "AXRole: AXLink"
>+
>+link2
>+PASS document.activeElement == element is true
>+PASS axElement.role is "AXRole: AXLink"
>+
>+button2
>+PASS document.activeElement == element is true
>+PASS axElement.role is "AXRole: AXButton"
>+
>+text2
>+PASS document.activeElement == element is true
>+PASS axElement.role is "AXRole: AXTextField"
>+
>+checkbox2
>+PASS document.activeElement == element is true
>+PASS axElement.role is "AXRole: AXCheckBox"
>+
>+radio2
>+PASS document.activeElement == element is true
>+PASS axElement.role is "AXRole: AXRadioButton"
>+
>+submit2
>+PASS document.activeElement == element is true
>+PASS axElement.role is "AXRole: AXButton"
>+
>+combobox2
>+PASS document.activeElement == element is true
>+PASS axElement.role is "AXRole: AXPopUpButton"
>+
>+focusable2
>+PASS document.activeElement == element is true
>+PASS axElement.role is "AXRole: AXGroup"
>+
>+aria-button2
>+PASS document.activeElement == element is true
>+PASS axElement.role is "AXRole: AXButton"
>+
>+aria-link2
>+PASS document.activeElement == element is true
>+PASS axElement.role is "AXRole: AXLink"
>+
>+focusable1
>+PASS document.activeElement == element is true
>+PASS axElement.role is "AXRole: AXButton"
>+
>+focusable2
>+PASS document.activeElement == element is true
>+PASS axElement.role is "AXRole: AXButton"
>+
>+PASS successfullyParsed is true
>+
>+TEST COMPLETE
>+
>
>Property changes on: LayoutTests/accessibility/canvas-fallback-content-expected.txt
>___________________________________________________________________
>Added: svn:eol-style
>   + LF
>
>Index: LayoutTests/accessibility/canvas-fallback-content.html
>===================================================================
>--- LayoutTests/accessibility/canvas-fallback-content.html	(revision 0)
>+++ LayoutTests/accessibility/canvas-fallback-content.html	(revision 0)
>@@ -0,0 +1,84 @@
>+<!DOCTYPE HTML>
>+<html>
>+<body>
>+<script src="../fast/js/resources/js-test-pre.js"></script>
>+
>+<div>
>+  <a id="link1" href="#">Link</a>
>+  <button id="button1">Button</button>
>+  <input id="text1" type="text">
>+  <input id="checkbox1" type="checkbox">
>+  <input id="radio1" type="radio">
>+  <input id="submit1" type="submit">
>+  <select id="combobox1"><option>1<option>2</select>
>+  <div id="focusable1" tabindex="0">Focusable</div>
>+  <div id="aria-button1" tabindex="0" role="button">ARIA button</div>
>+  <div id="aria-link1" tabindex="0" role="link">ARIA link</div>
>+</div>
>+
>+<canvas id="myCanvas" width="300" height="300">
>+  <a id="link2" href="#">Link</a>
>+  <button id="button2">Button</button>
>+  <input id="text2" type="text">
>+  <input id="checkbox2" type="checkbox">
>+  <input id="radio2" type="radio">
>+  <input id="submit2" type="submit">
>+  <select id="combobox2"><option>1<option>2</select>
>+  <div id="focusable2" tabindex="0">Focusable</div>
>+  <div id="aria-button2" tabindex="0" role="button">ARIA button</div>
>+  <div id="aria-link2" tabindex="0" role="link">ARIA link</div>
>+</canvas>
>+
>+<div id="console"></div>
>+<script>
>+description("This test makes sure that focusable elements in canvas fallback content are accessible.");
>+
>+if (window.layoutTestController && window.accessibilityController) {
>+    window.layoutTestController.dumpAsText();
>+
>+    function check(id, expectedRole) {
>+        debug(id);
>+        window.element = document.getElementById(id);
>+        element.focus();
>+        shouldBe("document.activeElement == element", "true");
>+        window.axElement = accessibilityController.focusedElement;
>+        shouldBe("axElement.role", "\"" + expectedRole + "\"");
>+        debug("");
>+    }
>+
>+    // Check rendered controls.
>+    check("link1", "AXRole: AXLink");
>+    check("button1", "AXRole: AXButton");
>+    check("text1", "AXRole: AXTextField");
>+    check("checkbox1", "AXRole: AXCheckBox");
>+    check("radio1", "AXRole: AXRadioButton");
>+    check("submit1", "AXRole: AXButton");
>+    check("combobox1", "AXRole: AXPopUpButton");
>+    check("focusable1", "AXRole: AXGroup");
>+    check("aria-button1", "AXRole: AXButton");
>+    check("aria-link1", "AXRole: AXLink");
>+
>+    // Check unrendered controls inside a canvas.
>+    check("link2", "AXRole: AXLink");
>+    check("button2", "AXRole: AXButton");
>+    check("text2", "AXRole: AXTextField");
>+    check("checkbox2", "AXRole: AXCheckBox");
>+    check("radio2", "AXRole: AXRadioButton");
>+    check("submit2", "AXRole: AXButton");
>+    check("combobox2", "AXRole: AXPopUpButton");
>+    check("focusable2", "AXRole: AXGroup");
>+    check("aria-button2", "AXRole: AXButton");
>+    check("aria-link2", "AXRole: AXLink");
>+
>+    // Check that the role is updated when the element changes.
>+    document.getElementById('focusable1').setAttribute('role', 'button');
>+    check("focusable1", "AXRole: AXButton");
>+    document.getElementById('focusable2').setAttribute('role', 'button');
>+    check("focusable2", "AXRole: AXButton");
>+}
>+
>+</script>
>+
>+<script src="../fast/js/resources/js-test-post.js"></script>
>+</body>
>+</html>
>
>Property changes on: LayoutTests/accessibility/canvas-fallback-content.html
>___________________________________________________________________
>Added: svn:mime-type
>   + text/html
>Added: svn:eol-style
>   + LF
>
>Index: LayoutTests/platform/gtk/TestExpectations
>===================================================================
>--- LayoutTests/platform/gtk/TestExpectations	(revision 123633)
>+++ LayoutTests/platform/gtk/TestExpectations	(working copy)
>@@ -580,6 +580,7 @@ BUGWKGTK : accessibility/aria-text-role.
> BUGWKGTK : accessibility/aria-used-on-image-maps.html = TEXT
> BUGWKGTK : accessibility/button-press-action.html = TEXT
> BUGWKGTK : accessibility/canvas.html = TEXT
>+BUGWKGTK : accessibility/canvas-fallback-content.html = TEXT
> BUGWKGTK : accessibility/editable-webarea-context-menu-point.html = TEXT
> BUGWKGTK : accessibility/ellipsis-text.html = TEXT
> BUGWKGTK : accessibility/ignore-spacer-elements.html = TEXT

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Attachments on bug 91794: 154563 | 154655 | 154661 | 154677 | 156877 | 158227 | 158373 | 158512 | 158516 | 158622