Remove tons of OILPAN.

sky/engine/core/fetch/ResourceLoaderSet.cpp

 /*
  * 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:
  *
  *     * 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 22 matching lines @@
 
 #include "wtf/Vector.h"
 
 namespace blink {
 
 PassOwnPtr<ResourceLoaderSet> ResourceLoaderSet::create()
 {
     return adoptPtr(new ResourceLoaderSet);
 }
 
-void ResourceLoaderSet::trace(Visitor* visitor)
-{
-#if ENABLE(OILPAN)
-    visitor->trace(m_set);
-#endif
-}
-
 void ResourceLoaderSet::cancelAll()
 {
     Vector<RefPtr<ResourceLoader> > loadersCopy;
     copyToVector(m_set, loadersCopy);
     size_t size = loadersCopy.size();
     for (size_t i = 0; i < size; ++i)
         loadersCopy[i]->cancel();
 }
 
 }