Remove tons of OILPAN.

sky/engine/core/dom/DocumentMarker.h

 /*
  * This file is part of the DOM implementation for WebCore.
  *
  * Copyright (C) 2006 Apple Computer, Inc.
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
  * License as published by the Free Software Foundation; either
  * version 2 of the License, or (at your option) any later version.
  *
@@ skipping 110 matching lines @@
     bool operator==(const DocumentMarker& o) const
     {
         return type() == o.type() && startOffset() == o.startOffset() && endOffset() == o.endOffset();
     }
 
     bool operator!=(const DocumentMarker& o) const
     {
         return !(*this == o);
     }
 
-    void trace(Visitor*);
-
 private:
     MarkerType m_type;
     unsigned m_startOffset;
     unsigned m_endOffset;
     RefPtr<DocumentMarkerDetails> m_details;
     uint32_t m_hash;
 };
 
 typedef Vector<RawPtr<DocumentMarker> > DocumentMarkerVector;
 
 inline DocumentMarkerDetails* DocumentMarker::details() const
 {
     return m_details.get();
 }
 
 class DocumentMarkerDetails : public RefCounted<DocumentMarkerDetails>
 {
 public:
     DocumentMarkerDetails() { }
     virtual ~DocumentMarkerDetails();
     virtual bool isDescription() const { return false; }
     virtual bool isTextMatch() const { return false; }
-
-    virtual void trace(Visitor*) { }
 };
 
 } // namespace blink
 
 #endif // DocumentMarker_h