Remove tons of OILPAN.

sky/engine/core/css/CSSValuePool.cpp

 /*
  * Copyright (C) 2011, 2012 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 128 matching lines @@
     const unsigned maximumFontFaceCacheSize = 128;
     if (m_fontFaceValueCache.size() > maximumFontFaceCacheSize)
         m_fontFaceValueCache.clear();
 
     RefPtr<CSSValueList>& value = m_fontFaceValueCache.add(string, nullptr).storedValue->value;
     if (!value)
         value = BisonCSSParser::parseFontFaceValue(string);
     return value;
 }
 
-void CSSValuePool::trace(Visitor* visitor)
-{
-#if ENABLE(OILPAN)
-    visitor->trace(m_inheritedValue);
-    visitor->trace(m_implicitInitialValue);
-    visitor->trace(m_explicitInitialValue);
-    visitor->trace(m_identifierValueCache);
-    visitor->trace(m_colorValueCache);
-    visitor->trace(m_colorTransparent);
-    visitor->trace(m_colorWhite);
-    visitor->trace(m_colorBlack);
-    visitor->trace(m_pixelValueCache);
-    visitor->trace(m_percentValueCache);
-    visitor->trace(m_numberValueCache);
-    visitor->trace(m_fontFaceValueCache);
-    visitor->trace(m_fontFamilyValueCache);
-#endif
 }
-
-}