Remove tons of OILPAN.

sky/engine/core/editing/RemoveNodeCommand.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 47 matching lines @@
 void RemoveNodeCommand::doUnapply()
 {
     RefPtr<ContainerNode> parent = m_parent.release();
     RefPtr<Node> refChild = m_refChild.release();
     if (!parent || !parent->hasEditableStyle())
         return;
 
     parent->insertBefore(m_node.get(), refChild.get(), IGNORE_EXCEPTION);
 }
 
-void RemoveNodeCommand::trace(Visitor* visitor)
-{
-    visitor->trace(m_node);
-    visitor->trace(m_parent);
-    visitor->trace(m_refChild);
-    SimpleEditCommand::trace(visitor);
 }
-
-}