Remove tons of OILPAN.

sky/engine/core/animation/Animation.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 281 matching lines @@
 
 void Animation::pauseAnimationForTestingOnCompositor(double pauseTime)
 {
     ASSERT(hasActiveAnimationsOnCompositor());
     if (!m_target || !m_target->renderer())
         return;
     for (size_t i = 0; i < m_compositorAnimationIds.size(); ++i)
         CompositorAnimations::instance()->pauseAnimationForTestingOnCompositor(*m_target, m_compositorAnimationIds[i], pauseTime);
 }
 
-void Animation::trace(Visitor* visitor)
-{
-    visitor->trace(m_target);
-    visitor->trace(m_effect);
-    visitor->trace(m_sampledEffect);
-    AnimationNode::trace(visitor);
-}
-
 } // namespace blink