[Oilpan] Migrate most classes under core/animations to Oilpan heap.

Source/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 41 matching lines @@
     return Animation::hasLowerPriority(left.get(), right.get());
 }
 
 }
 
 // This value represents 1 frame at 30Hz plus a little bit of wiggle room.
 // TODO: Plumb a nominal framerate through and derive this value from that.
 const double AnimationTimeline::s_minimumDelay = 0.04;
 
 
-PassRefPtrWillBeRawPtr<AnimationTimeline> AnimationTimeline::create(Document* document, PassOwnPtrWillBeRawPtr<PlatformTiming> timing)
+AnimationTimeline* AnimationTimeline::create(Document* document, PlatformTiming* timing)
 {
-    return adoptRefWillBeNoop(new AnimationTimeline(document, timing));
+    return new AnimationTimeline(document, timing);
 }
 
-AnimationTimeline::AnimationTimeline(Document* document, PassOwnPtrWillBeRawPtr<PlatformTiming> timing)
+AnimationTimeline::AnimationTimeline(Document* document, PlatformTiming* timing)
     : m_document(document)
     , m_zeroTime(0) // 0 is used by unit tests which cannot initialize from the loader
     , m_zeroTimeInitialized(false)
     , m_playbackRate(1)
     , m_lastCurrentTimeInternal(0)
 {
     if (!timing)
-        m_timing = adoptPtrWillBeNoop(new AnimationTimelineTiming(this));
+        m_timing = new AnimationTimelineTiming(this);
     else
         m_timing = timing;
 
     if (RuntimeEnabledFeatures::compositorAnimationTimelinesEnabled() && Platform::current()->compositorSupport())
         m_compositorTimeline = adoptPtr(Platform::current()->compositorSupport()->createAnimationTimeline());
 
     ASSERT(document);
 }
 
 AnimationTimeline::~AnimationTimeline()
@@ skipping 224 matching lines @@
 #if !ENABLE(OILPAN)
 void AnimationTimeline::detachFromDocument()
 {
     // FIXME: AnimationTimeline should keep Document alive.
     m_document = nullptr;
 }
 #endif
 
 DEFINE_TRACE(AnimationTimeline)
 {
+    visitor->trace(m_timing);
 #if ENABLE(OILPAN)
     visitor->trace(m_document);
-    visitor->trace(m_timing);
     visitor->trace(m_animationsNeedingUpdate);
     visitor->trace(m_animations);
 #endif
 }
 
 } // namespace