Remove tons of OILPAN.

sky/engine/core/animation/AnimationPlayer.h

 /*
  * Copyright (C) 2013 Google 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.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 128 matching lines @@
     static bool hasLowerPriority(AnimationPlayer* player1, AnimationPlayer* player2)
     {
         return player1->sequenceNumber() < player2->sequenceNumber();
     }
 
     // Checks if the AnimationStack is the last reference holder to the Player.
     bool canFree() const;
 
     virtual bool addEventListener(const AtomicString& eventType, PassRefPtr<EventListener>, bool useCapture = false) override;
 
-    virtual void trace(Visitor*) override;
-
 private:
     AnimationPlayer(ExecutionContext*, AnimationTimeline&, AnimationNode*);
     double sourceEnd() const;
     bool limited(double currentTime) const;
     void updateCurrentTimingState(TimingUpdateReason);
     void unpauseInternal();
 
     double m_playbackRate;
 
     double m_startTime;
@@ skipping 45 matching lines @@
     // animation is started. Updated once the start time is known and each time
     // modifications are pushed to the compositor.
     OwnPtr<CompositorState> m_compositorState;
     bool m_compositorPending;
     bool m_currentTimePending;
 };
 
 } // namespace blink
 
 #endif