Remove tons of OILPAN.

sky/engine/core/html/HTMLTemplateElement.cpp

 /*
  * Copyright (C) 2012 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:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 62 matching lines @@
 }
 
 void HTMLTemplateElement::didMoveToNewDocument(Document& oldDocument)
 {
     HTMLElement::didMoveToNewDocument(oldDocument);
     if (!m_content)
         return;
     document().ensureTemplateDocument().adoptIfNeeded(*m_content);
 }
 
-void HTMLTemplateElement::trace(Visitor* visitor)
-{
-    visitor->trace(m_content);
-    HTMLElement::trace(visitor);
-}
-
 } // namespace blink