Remove tons of OILPAN.

sky/engine/core/dom/custom/CustomElementCallbackQueue.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:
  *
  * 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
@@ skipping 47 matching lines @@
         // processing stack.
         ASSERT(newOwner >= m_owner);
         m_owner = newOwner;
     }
 
     bool processInElementQueue(ElementQueueId);
 
     void append(PassOwnPtr<CustomElementProcessingStep> invocation) { m_queue.append(invocation); }
     bool inCreatedCallback() const { return m_inCreatedCallback; }
 
-    void trace(Visitor*);
-
 private:
     explicit CustomElementCallbackQueue(PassRefPtr<Element>);
 
     RefPtr<Element> m_element;
     Vector<OwnPtr<CustomElementProcessingStep> > m_queue;
     ElementQueueId m_owner;
     size_t m_index;
     bool m_inCreatedCallback;
 };
 
 }
 
 #endif // CustomElementCallbackQueue_h