Remove tons of OILPAN.

sky/engine/core/animation/AnimationTimeline.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 141 matching lines @@
 {
     m_timer.stop();
 }
 
 void AnimationTimeline::AnimationTimelineTiming::serviceOnNextFrame()
 {
     if (m_timeline->m_document && m_timeline->m_document->view())
         m_timeline->m_document->view()->scheduleAnimation();
 }
 
-void AnimationTimeline::AnimationTimelineTiming::trace(Visitor* visitor)
-{
-    visitor->trace(m_timeline);
-    AnimationTimeline::PlatformTiming::trace(visitor);
-}
-
 double AnimationTimeline::currentTime(bool& isNull)
 {
     return currentTimeInternal(isNull) * 1000;
 }
 
 double AnimationTimeline::currentTimeInternal(bool& isNull)
 {
     if (!m_document) {
         isNull = true;
         return std::numeric_limits<double>::quiet_NaN();
@@ skipping 45 matching lines @@
 }
 
 #if !ENABLE(OILPAN)
 void AnimationTimeline::detachFromDocument()
 {
     // FIXME: AnimationTimeline should keep Document alive.
     m_document = nullptr;
 }
 #endif
 
-void AnimationTimeline::trace(Visitor* visitor)
-{
-#if ENABLE(OILPAN)
-    visitor->trace(m_document);
-    visitor->trace(m_timing);
-    visitor->trace(m_playersNeedingUpdate);
-    visitor->trace(m_players);
-#endif
-}
-
 } // namespace