Remove tons of OILPAN.

sky/engine/core/editing/ReplaceSelectionCommand.cpp

 /*
  * Copyright (C) 2005, 2006, 2008 Apple Inc. All rights reserved.
  * Copyright (C) 2009, 2010, 2011 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 994 matching lines @@
     if (end.isNull())
         return false;
 
     VisibleSelection selectionAfterReplace(m_selectReplacement ? start : end, end);
 
     setEndingSelection(selectionAfterReplace);
 
     return true;
 }
 
-void ReplaceSelectionCommand::trace(Visitor* visitor)
-{
-    visitor->trace(m_startOfInsertedContent);
-    visitor->trace(m_endOfInsertedContent);
-    visitor->trace(m_insertionStyle);
-    visitor->trace(m_documentFragment);
-    CompositeEditCommand::trace(visitor);
-}
-
 } // namespace blink