Remove tons of OILPAN.

sky/engine/core/css/StyleSheetContents.cpp

 /*
  * (C) 1999-2003 Lars Knoll (knoll@kde.org)
  * Copyright (C) 2004, 2006, 2007, 2012 Apple Inc. All rights reserved.
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
  * License as published by the Free Software Foundation; either
  * version 2 of the License, or (at your option) any later version.
  *
  * This library is distributed in the hope that it will be useful,
@@ skipping 360 matching lines @@
             findFontFaceRulesFromRules(mediaRule->childRules(), fontFaceRules);
         }
     }
 }
 
 void StyleSheetContents::findFontFaceRules(Vector<RawPtr<const StyleRuleFontFace> >& fontFaceRules)
 {
     findFontFaceRulesFromRules(childRules(), fontFaceRules);
 }
 
-void StyleSheetContents::trace(Visitor* visitor)
-{
-#if ENABLE(OILPAN)
-    visitor->trace(m_childRules);
-    visitor->trace(m_loadingClients);
-    visitor->trace(m_completedClients);
-    visitor->trace(m_ruleSet);
-#endif
 }
-
-}