Remove tons of OILPAN.

sky/engine/core/animation/SampledEffect.cpp

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "config.h"
 #include "core/animation/SampledEffect.h"
 
 #include "core/animation/StyleInterpolation.h"
 
 namespace blink {
@@ skipping 37 matching lines @@
         return;
 
     size_t dest = 0;
     for (size_t i = 0; i < m_interpolations->size(); i++) {
         if (!replacedProperties.get(toStyleInterpolation(m_interpolations->at(i).get())->id()))
             m_interpolations->at(dest++) = m_interpolations->at(i);
     }
     m_interpolations->shrink(dest);
 }
 
-void SampledEffect::trace(Visitor* visitor)
-{
-    visitor->trace(m_animation);
-#if ENABLE(OILPAN)
-    visitor->trace(m_interpolations);
-#endif
-}
-
 } // namespace blink