Oilpan: Move [WillBeGarbageCollected] from Node to EventTarget.

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 23 matching lines @@
 #include "core/html/HTMLMediaElement.h"
 #include "core/html/TimeRanges.h"
 #include "platform/Clock.h"
 #include "wtf/CurrentTime.h"
 #include "wtf/StdLibExtras.h"
 #include "wtf/text/AtomicString.h"
 
 using namespace WebCore;
 using namespace std;
 
-PassRefPtr<MediaController> MediaController::create(ExecutionContext* context)
+PassRefPtrWillBeRawPtr<MediaController> MediaController::create(ExecutionContext* context)
 {
     return adoptRefWillBeRefCountedGarbageCollected(new MediaController(context));
 }
 
 MediaController::MediaController(ExecutionContext* context)
     : m_paused(false)
     , m_defaultPlaybackRate(1)
     , m_volume(1)
     , m_position(MediaPlayer::invalidTime())
     , m_muted(false)
@@ skipping 543 matching lines @@
 {
     double now = WTF::currentTime();
     double timedelta = now - m_previousTimeupdateTime;
 
     if (timedelta < maxTimeupdateEventFrequency)
         return;
 
     scheduleEvent(EventTypeNames::timeupdate);
     m_previousTimeupdateTime = now;
 }