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

Source/modules/mediastream/MediaStream.h

 /*
  * Copyright (C) 2011 Google Inc. All rights reserved.
  * Copyright (C) 2011 Ericsson AB. 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
@@ skipping 22 matching lines @@
 #include "modules/mediastream/MediaStreamTrack.h"
 #include "platform/Timer.h"
 #include "platform/mediastream/MediaStreamDescriptor.h"
 #include "wtf/RefCounted.h"
 #include "wtf/RefPtr.h"
 
 namespace WebCore {
 
 class ExceptionState;
 
-class MediaStream FINAL : public RefCounted<MediaStream>, public ScriptWrappable, public URLRegistrable, public MediaStreamDescriptorClient, public EventTargetWithInlineData, public ContextLifecycleObserver, public MediaStreamTrack::Observer {
+class MediaStream FINAL : public RefCountedWillBeRefCountedGarbageCollected<MediaStream>, public ScriptWrappable, public URLRegistrable, public MediaStreamDescriptorClient, public EventTargetWithInlineData, public ContextLifecycleObserver, public MediaStreamTrack::Observer {
     REFCOUNTED_EVENT_TARGET(MediaStream);
+    WILL_BE_USING_GARBAGE_COLLECTED_MIXIN(MediaStream);
 public:
     static PassRefPtr<MediaStream> create(ExecutionContext*);
     static PassRefPtr<MediaStream> create(ExecutionContext*, PassRefPtr<MediaStream>);
     static PassRefPtr<MediaStream> create(ExecutionContext*, const MediaStreamTrackVector&);
     static PassRefPtr<MediaStream> create(ExecutionContext*, PassRefPtr<MediaStreamDescriptor>);
     virtual ~MediaStream();
 
     // DEPRECATED
     String label() const { return m_descriptor->id(); }
 
@@ skipping 22 matching lines @@
 
     MediaStreamDescriptor* descriptor() const { return m_descriptor.get(); }
 
     // EventTarget
     virtual const AtomicString& interfaceName() const OVERRIDE;
     virtual ExecutionContext* executionContext() const OVERRIDE;
 
     // URLRegistrable
     virtual URLRegistry& registry() const OVERRIDE;
 
+    virtual void trace(Visitor*) OVERRIDE;
+
 private:
     MediaStream(ExecutionContext*, PassRefPtr<MediaStreamDescriptor>);
     MediaStream(ExecutionContext*, const MediaStreamTrackVector& audioTracks, const MediaStreamTrackVector& videoTracks);
 
     // ContextLifecycleObserver
     virtual void contextDestroyed() OVERRIDE;
 
     // MediaStreamDescriptorClient
     virtual void addRemoteTrack(MediaStreamComponent*) OVERRIDE;
     virtual void removeRemoteTrack(MediaStreamComponent*) OVERRIDE;
 
     void scheduleDispatchEvent(PassRefPtrWillBeRawPtr<Event>);
     void scheduledEventTimerFired(Timer<MediaStream>*);
 
     bool m_stopped;
 
     MediaStreamTrackVector m_audioTracks;
     MediaStreamTrackVector m_videoTracks;
     RefPtr<MediaStreamDescriptor> m_descriptor;
 
     Timer<MediaStream> m_scheduledEventTimer;
-    WillBePersistentHeapVector<RefPtrWillBeMember<Event> > m_scheduledEvents;
+    WillBeHeapVector<RefPtrWillBeMember<Event> > m_scheduledEvents;
 };
 
 typedef Vector<RefPtr<MediaStream> > MediaStreamVector;
 
 } // namespace WebCore
 
 #endif // MediaStream_h