Remove tons of OILPAN.

sky/engine/core/css/FontFaceCache.cpp

 /*
  * Copyright (C) 2007, 2008, 2011 Apple Inc. All rights reserved.
  * Copyright (C) 2013 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:
  * 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
@@ skipping 208 matching lines @@
                 continue;
             if (traits.variant() == FontVariantNormal && candidateTraits.variant() != FontVariantNormal)
                 continue;
             if (!faceResult.storedValue->value || compareFontFaces(candidate, faceResult.storedValue->value.get(), traits))
                 faceResult.storedValue->value = candidate;
         }
     }
     return faceResult.storedValue->value.get();
 }
 
-void FontFaceCache::trace(Visitor* visitor)
-{
-#if ENABLE(OILPAN)
-    visitor->trace(m_fontFaces);
-    visitor->trace(m_fonts);
-    visitor->trace(m_styleRuleToFontFace);
-    visitor->trace(m_cssConnectedFontFaces);
-#endif
 }
-
-}