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

Source/core/html/track/TextTrackCue.h

 /*
  * Copyright (C) 2011 Google Inc.  All rights reserved.
  * Copyright (C) 2012, 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:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
@@ skipping 54 matching lines @@
     double endTime() const { return m_endTime; }
     void setEndTime(double, ExceptionState&);
 
     bool pauseOnExit() const { return m_pauseOnExit; }
     void setPauseOnExit(bool);
 
     int cueIndex();
     void invalidateCueIndex();
 
     using EventTarget::dispatchEvent;
-    virtual bool dispatchEvent(PassRefPtr<Event>) OVERRIDE;
+    virtual bool dispatchEvent(PassRefPtrWillBeRawPtr<Event>) OVERRIDE;
 
     bool isActive();
     void setIsActive(bool);
 
     virtual void updateDisplay(const IntSize& videoSize, HTMLDivElement& container) = 0;
 
     // FIXME: Consider refactoring to eliminate or merge the following three members.
     // https://code.google.com/p/chromium/issues/detail?id=322434
     virtual void updateDisplayTree(double movieTime) = 0;
     virtual void removeDisplayTree() = 0;
@@ skipping 22 matching lines @@
 
     TextTrack* m_track;
 
     bool m_isActive : 1;
     bool m_pauseOnExit : 1;
 };
 
 } // namespace WebCore
 
 #endif