Oilpan: Allocate all EventTarget derived types on the manged heap.

Source/core/loader/appcache/ApplicationCache.h

 /*
  * Copyright (C) 2008, 2009 Apple Inc. All Rights Reserved.
  *
  * 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
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 24 matching lines @@
 #include "wtf/PassRefPtr.h"
 #include "wtf/RefCounted.h"
 
 namespace WebCore {
 
 class ExceptionState;
 class LocalFrame;
 class KURL;
 
 class ApplicationCache FINAL : public RefCountedWillBeRefCountedGarbageCollected<ApplicationCache>, public ScriptWrappable, public EventTargetWithInlineData, public DOMWindowProperty {
-    DEFINE_EVENT_TARGET_REFCOUNTING(RefCountedWillBeRefCountedGarbageCollected<ApplicationCache>);
+    REFCOUNTED_EVENT_TARGET(ApplicationCache);
+    WILL_BE_USING_GARBAGE_COLLECTED_MIXIN(ApplicationCache);
 public:
     static PassRefPtrWillBeRawPtr<ApplicationCache> create(LocalFrame* frame)
     {
         return adoptRefWillBeRefCountedGarbageCollected(new ApplicationCache(frame));
     }
     virtual ~ApplicationCache() { ASSERT(!m_frame); }
 
     virtual void willDestroyGlobalObjectInFrame() OVERRIDE;
 
     unsigned short status() const;
@@ skipping 10 matching lines @@
     DEFINE_ATTRIBUTE_EVENT_LISTENER(progress);
     DEFINE_ATTRIBUTE_EVENT_LISTENER(updateready);
     DEFINE_ATTRIBUTE_EVENT_LISTENER(cached);
     DEFINE_ATTRIBUTE_EVENT_LISTENER(obsolete);
 
     virtual const AtomicString& interfaceName() const OVERRIDE;
     virtual ExecutionContext* executionContext() const OVERRIDE;
 
     static const AtomicString& toEventType(ApplicationCacheHost::EventID);
 
-    void trace(Visitor*) { }
-
 private:
     explicit ApplicationCache(LocalFrame*);
 
     ApplicationCacheHost* applicationCacheHost() const;
 };
 
 } // namespace WebCore
 
 #endif // ApplicationCache_h