Oilpan: add [WillBeGarbageCollected] for Node.

Source/core/frame/DOMWindow.h

 /*
  * Copyright (C) 2006, 2007, 2009, 2010 Apple Inc. All rights reserved.
  * Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies)
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
@@ skipping 325 matching lines @@
 
         Page* page();
 
         virtual void frameDestroyed() OVERRIDE;
         virtual void willDetachFrameHost() OVERRIDE;
 
         void clearDocument();
         void resetDOMWindowProperties();
         void willDestroyDocumentInFrame();
 
-        RefPtr<Document> m_document;
+        // FIXME: Oilpan: the need for this internal method will fall
+        // away when EventTargets are no longer using refcounts and
+        // window properties are also on the heap. Inline the minimal
+        // do-not-broadcast handling then and remove the enum +
+        // removeAllEventListenersInternal().
+        enum BroadcastListenerRemoval {
+            DoNotBroadcastListenerRemoval,
+            DoBroadcastListenerRemoval
+        };
+
+        void removeAllEventListenersInternal(BroadcastListenerRemoval);
+
+        RefPtrWillBeMember<Document> m_document;
 
         bool m_shouldPrintWhenFinishedLoading;
 #if ASSERT_ENABLED
         bool m_hasBeenReset;
 #endif
 
         HashSet<DOMWindowProperty*> m_properties;
 
         mutable RefPtrWillBeMember<Screen> m_screen;
         mutable RefPtrWillBeMember<History> m_history;
@@ skipping 29 matching lines @@
     }
 
     inline String DOMWindow::defaultStatus() const
     {
         return m_defaultStatus;
     }
 
 } // namespace WebCore
 
 #endif // DOMWindow_h