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

Source/modules/speech/SpeechSynthesisUtterance.h

 /*
  * Copyright (C) 2013 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 20 matching lines @@
 #include "modules/EventTargetModules.h"
 #include "modules/speech/SpeechSynthesisVoice.h"
 #include "platform/heap/Handle.h"
 #include "platform/speech/PlatformSpeechSynthesisUtterance.h"
 #include "wtf/PassRefPtr.h"
 #include "wtf/RefCounted.h"
 
 namespace WebCore {
 
 class SpeechSynthesisUtterance FINAL : public RefCountedWillBeRefCountedGarbageCollected<SpeechSynthesisUtterance>, public PlatformSpeechSynthesisUtteranceClient, public ScriptWrappable, public ContextLifecycleObserver, public EventTargetWithInlineData {
-    DEFINE_EVENT_TARGET_REFCOUNTING(RefCountedWillBeRefCountedGarbageCollected<SpeechSynthesisUtterance>);
+    REFCOUNTED_EVENT_TARGET(SpeechSynthesisUtterance);
+    WILL_BE_USING_GARBAGE_COLLECTED_MIXIN(SpeechSynthesisUtterance);
 public:
     static PassRefPtrWillBeRawPtr<SpeechSynthesisUtterance> create(ExecutionContext*, const String&);
 
     virtual ~SpeechSynthesisUtterance();
 
     const String& text() const { return m_platformUtterance->text(); }
     void setText(const String& text) { m_platformUtterance->setText(text); }
 
     const String& lang() const { return m_platformUtterance->lang(); }
     void setLang(const String& lang) { m_platformUtterance->setLang(lang); }
@@ skipping 18 matching lines @@
     DEFINE_ATTRIBUTE_EVENT_LISTENER(error);
     DEFINE_ATTRIBUTE_EVENT_LISTENER(pause);
     DEFINE_ATTRIBUTE_EVENT_LISTENER(resume);
     DEFINE_ATTRIBUTE_EVENT_LISTENER(mark);
     DEFINE_ATTRIBUTE_EVENT_LISTENER(boundary);
 
     virtual ExecutionContext* executionContext() const OVERRIDE;
 
     PlatformSpeechSynthesisUtterance* platformUtterance() const { return m_platformUtterance.get(); }
 
-    void trace(Visitor*);
+    virtual void trace(Visitor*) OVERRIDE;
 
 private:
     SpeechSynthesisUtterance(ExecutionContext*, const String&);
     RefPtr<PlatformSpeechSynthesisUtterance> m_platformUtterance;
     RefPtrWillBeMember<SpeechSynthesisVoice> m_voice;
 
     // EventTarget
     virtual const AtomicString& interfaceName() const OVERRIDE;
 };
 
 } // namespace WebCore
 
 #endif // SpeechSynthesisUtterance_h