Remove tons of OILPAN.

sky/engine/core/animation/AnimationStack.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 123 matching lines @@
         if (!m_effects[i]->interpolations().isEmpty()) {
             m_effects[dest++].swap(m_effects[i]);
             continue;
         }
         if (m_effects[i]->animation())
             m_effects[i]->animation()->notifySampledEffectRemovedFromAnimationStack();
     }
     m_effects.shrink(dest);
 }
 
-void AnimationStack::trace(Visitor* visitor)
-{
-    visitor->trace(m_effects);
-}
-
 bool AnimationStack::getAnimatedBoundingBox(FloatBox& box, CSSPropertyID property) const
 {
     FloatBox originalBox(box);
     for (size_t i = 0; i < m_effects.size(); ++i) {
         if (m_effects[i]->animation() && m_effects[i]->animation()->affects(property)) {
             Animation* anim = m_effects[i]->animation();
             if (!anim)
                 continue;
             const Timing& timing = anim->specifiedTiming();
             double startRange = 0;
             double endRange = 1;
             timing.timingFunction->range(&startRange, &endRange);
             FloatBox expandingBox(originalBox);
             if (!CompositorAnimations::instance()->getAnimatedBoundingBox(expandingBox, *anim->effect(), startRange, endRange))
                 return false;
             box.expandTo(expandingBox);
         }
     }
     return true;
 }
 
 } // namespace blink