Remove tons of OILPAN.

sky/engine/core/editing/SplitTextNodeContainingElementCommand.cpp

 /*
  * Copyright (C) 2005, 2008 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 30 matching lines @@
 }
 
 void SplitTextNodeContainingElementCommand::doApply()
 {
     ASSERT(m_text);
     ASSERT(m_offset > 0);
 
     splitTextNode(m_text.get(), m_offset);
 }
 
-void SplitTextNodeContainingElementCommand::trace(Visitor* visitor)
-{
-    visitor->trace(m_text);
-    CompositeEditCommand::trace(visitor);
 }
-
-}