Remove tons of OILPAN.

sky/engine/core/page/EventHandler.h

 /*
  * Copyright (C) 2006, 2007, 2009, 2010, 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 68 matching lines @@
 typedef EventWithHitTestResults<PlatformMouseEvent> MouseEventWithHitTestResults;
 
 enum AppendTrailingWhitespace { ShouldAppendTrailingWhitespace, DontAppendTrailingWhitespace };
 enum CheckDragHysteresis { ShouldCheckDragHysteresis, DontCheckDragHysteresis };
 
 class EventHandler {
     WTF_MAKE_NONCOPYABLE(EventHandler);
 public:
     explicit EventHandler(LocalFrame*);
     ~EventHandler();
-    void trace(Visitor*);
 
     void clear();
     void nodeWillBeRemoved(Node&);
 
     void updateSelectionForMouseDrag();
 
     Node* mousePressNode() const;
 
     void stopAutoscroll();
 
@@ skipping 234 matching lines @@
     bool m_didStartDrag;
 
     Timer<EventHandler> m_activeIntervalTimer;
     double m_lastShowPressTimestamp;
     RefPtr<Element> m_lastDeferredTapElement;
 };
 
 } // namespace blink
 
 #endif // EventHandler_h