Oilpan: Move the EventListener hierarchy to Oilpan's heap

Source/core/html/MediaController.cpp

 /*
  * Copyright (C) 2011 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 594 matching lines @@
     m_previousTimeupdateTime = now;
 }
 
 DEFINE_TRACE(MediaController)
 {
 #if ENABLE(OILPAN)
     visitor->trace(m_mediaElements);
     visitor->trace(m_pendingEventsQueue);
     visitor->trace(m_executionContext);
 #endif
-    EventTargetWithInlineData::trace(visitor);
+    RefCountedGarbageCollectedEventTargetWithInlineData<MediaController>::trace(visitor);
 }
 
 }