Merge 112051

Source/WebCore/dom/ContainerNode.cpp

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  *           (C) 2001 Dirk Mueller (mueller@kde.org)
  * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009 Apple Inc. All rights reserved.
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
  * License as published by the Free Software Foundation; either
  * version 2 of the License, or (at your option) any later version.
@@ skipping 714 matching lines @@
             }
         }
         resourceLoadScheduler()->suspendPendingRequests();
     }
     ++s_attachDepth;
 }
 
 void ContainerNode::resumePostAttachCallbacks()
 {
     if (s_attachDepth == 1) {
+        RefPtr<ContainerNode> protect(this);
+
         if (s_postAttachCallbackQueue)
             dispatchPostAttachCallbacks();
         if (s_shouldReEnableMemoryCacheCallsAfterAttach) {
             s_shouldReEnableMemoryCacheCallsAfterAttach = false;
             if (Page* page = document()->page())
                 page->setMemoryCacheClientCallsEnabled(true);
         }
         resourceLoadScheduler()->resumePendingRequests();
     }
     --s_attachDepth;
@@ skipping 443 matching lines @@
     if (!document()->hasListenerType(Document::BEFORELOAD_LISTENER))
         return true;
 
     RefPtr<ContainerNode> protector(this);
     RefPtr<BeforeLoadEvent> beforeLoadEvent = BeforeLoadEvent::create(sourceURL);
     dispatchEvent(beforeLoadEvent.get());
     return !beforeLoadEvent->defaultPrevented();
 }
 
 } // namespace WebCore