compositor-worker: Introduce CompositorProxy.

Source/core/dom/Element.cpp

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  *           (C) 2001 Peter Kelly (pmk@post.com)
  *           (C) 2001 Dirk Mueller (mueller@kde.org)
  *           (C) 2007 David Smith (catfish.man@gmail.com)
  * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2012, 2013 Apple Inc. All rights reserved.
  *           (C) 2007 Eric Seidel (eric@webkit.org)
  *
  * This library is free software; you can redistribute it and/or
@@ skipping 33 matching lines @@
 #include "core/css/PropertySetCSSStyleDeclaration.h"
 #include "core/css/StylePropertySet.h"
 #include "core/css/parser/CSSParser.h"
 #include "core/css/resolver/StyleResolver.h"
 #include "core/css/resolver/StyleResolverParentScope.h"
 #include "core/dom/AXObjectCache.h"
 #include "core/dom/Attr.h"
 #include "core/dom/CSSSelectorWatch.h"
 #include "core/dom/ClientRect.h"
 #include "core/dom/ClientRectList.h"
+#include "core/dom/CompositorProxy.h"
 #include "core/dom/DatasetDOMStringMap.h"
 #include "core/dom/ElementDataCache.h"
 #include "core/dom/ElementRareData.h"
 #include "core/dom/ElementTraversal.h"
 #include "core/dom/ExceptionCode.h"
 #include "core/dom/FirstLetterPseudoElement.h"
 #include "core/dom/Fullscreen.h"
 #include "core/dom/LayoutTreeBuilder.h"
 #include "core/dom/MutationObserverInterestGroup.h"
 #include "core/dom/MutationRecord.h"
@@ skipping 105 matching lines @@
     // With Oilpan, either the Element has been removed from the Document
     // or the Document is dead as well. If the Element has been removed from
     // the Document the element has already been removed from the pending
     // resources. If the document is also dead, there is no need to remove
     // the element from the pending resources.
     if (hasPendingResources()) {
         document().accessSVGExtensions().removeElementFromPendingResources(this);
         ASSERT(!hasPendingResources());
     }
 #endif
+    CompositorProxy::notifyElementGone(this);

[esprehn, 2015/03/25 23:21:47]

You want to use a WeakNodeMap, we don't need to duplicate this.

 }
 
 inline ElementRareData* Element::elementRareData() const
 {
     ASSERT(hasRareData());
     return static_cast<ElementRareData*>(rareData());
 }
 
 inline ElementRareData& Element::ensureElementRareData()
 {
@@ skipping 3203 matching lines @@
 {
 #if ENABLE(OILPAN)
     if (hasRareData())
         visitor->trace(elementRareData());
     visitor->trace(m_elementData);
 #endif
     ContainerNode::trace(visitor);
 }
 
 } // namespace blink