Oilpan: Replace most of RefPtrs for Event objects with oilpan's transition types

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 581 matching lines @@
 
 void MediaController::scheduleEvent(const AtomicString& eventName)
 {
     m_pendingEvents.append(Event::createCancelable(eventName));
     if (!m_asyncEventTimer.isActive())
         m_asyncEventTimer.startOneShot(0, FROM_HERE);
 }
 
 void MediaController::asyncEventTimerFired(Timer<MediaController>*)
 {
-    Vector<RefPtr<Event> > pendingEvents;
+    WillBeHeapVector<RefPtrWillBeMember<Event> > pendingEvents;
 
     m_pendingEvents.swap(pendingEvents);
     size_t count = pendingEvents.size();
     for (size_t index = 0; index < count; ++index)
         dispatchEvent(pendingEvents[index].release(), IGNORE_EXCEPTION);
 }
 
 void MediaController::clearPositionTimerFired(Timer<MediaController>*)
 {
     m_position = MediaPlayer::invalidTime();
@@ skipping 25 matching lines @@
 {
     double now = WTF::currentTime();
     double timedelta = now - m_previousTimeupdateTime;
 
     if (timedelta < maxTimeupdateEventFrequency)
         return;
 
     scheduleEvent(EventTypeNames::timeupdate);
     m_previousTimeupdateTime = now;
 }