Merge 102405 - Source/WebCore: Improve handling of frame removal during requestAnimationFrame cal...

Source/WebCore/dom/Document.cpp

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  *           (C) 2001 Dirk Mueller (mueller@kde.org)
  *           (C) 2006 Alexey Proskuryakov (ap@webkit.org)
  * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2011 Apple Inc. All rights reserved.
  * Copyright (C) 2008, 2009 Torch Mobile Inc. All rights reserved. (http://www.torchmobile.com/)
  * Copyright (C) 2008, 2009, 2011 Google Inc. All rights reserved.
  * Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies)
  *
@@ skipping 591 matching lines @@
         removeAllChildren();
 
         m_markers->detach();
 
         detachParser();
 
         m_cssCanvasElements.clear();
 
 #if ENABLE(REQUEST_ANIMATION_FRAME)
         // FIXME: consider using ActiveDOMObject.
-        m_scriptedAnimationController = nullptr;
+        if (m_scriptedAnimationController)
+            m_scriptedAnimationController->clearDocumentPointer();
+        m_scriptedAnimationController.clear();
 #endif
 
 #ifndef NDEBUG
         m_inRemovedLastRefFunction = false;
 #endif
 
         guardDeref();
     } else {
 #ifndef NDEBUG
         m_deletionHasBegun = true;
@@ skipping 1191 matching lines @@
         clearAXObjectCache();
 
     stopActiveDOMObjects();
     m_eventQueue->close();
 #if ENABLE(FULLSCREEN_API)
     m_fullScreenChangeEventTargetQueue.clear();
 #endif
 
 #if ENABLE(REQUEST_ANIMATION_FRAME)
     // FIXME: consider using ActiveDOMObject.
-    m_scriptedAnimationController = nullptr;
+    if (m_scriptedAnimationController)
+        m_scriptedAnimationController->clearDocumentPointer();
+    m_scriptedAnimationController.clear();
 #endif
 
     RenderObject* render = renderer();
 
     // Send out documentWillBecomeInactive() notifications to registered elements,
     // in order to stop media elements
     documentWillBecomeInactive();
 
 #if ENABLE(SHARED_WORKERS)
     SharedWorkerRepository::documentDetached(this);
@@ skipping 3348 matching lines @@
 
     NodeListsNodeData* data = rareData()->nodeLists();
 
     String localTypeNames = typeNames.isNull() ? String("http://webkit.org/microdata/undefinedItemType") : typeNames;
     ASSERT_UNUSED(list, list == data->m_microDataItemListCache.get(localTypeNames));
     data->m_microDataItemListCache.remove(localTypeNames);
 }
 #endif
 
 } // namespace WebCore