Remove tons of OILPAN.

sky/engine/core/editing/markup.cpp

 /*
  * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009 Apple Inc. All rights reserved.
  * Copyright (C) 2008, 2009, 2010, 2011 Google Inc. All rights reserved.
  * Copyright (C) 2011 Igalia S.L.
  * Copyright (C) 2011 Motorola Mobility. 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
@@ skipping 61 matching lines @@
     AttributeChange(PassRefPtr<Element> element, const QualifiedName& name, const String& value)
         : m_element(element), m_name(name), m_value(value)
     {
     }
 
     void apply()
     {
         m_element->setAttribute(m_name, AtomicString(m_value));
     }
 
-    void trace(Visitor* visitor)
-    {
-        visitor->trace(m_element);
-    }
-
 private:
     RefPtr<Element> m_element;
     QualifiedName m_name;
     String m_value;
 };
 
 } // namespace blink
 
 WTF_ALLOW_INIT_WITH_MEM_FUNCTIONS(blink::AttributeChange);
 
@@ skipping 462 matching lines @@
     if (!next || !next->isTextNode())
         return;
 
     RefPtr<Text> textNext = toText(next);
     textNode->appendData(textNext->data());
     if (textNext->parentNode()) // Might have been removed by mutation event.
         textNext->remove(exceptionState);
 }
 
 }