Blink Compositor Animation: Use PassOwnPtr in CompositorFactory.

third_party/WebKit/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 62 matching lines @@
     , m_playbackRate(1)
     , m_lastCurrentTimeInternal(0)
 {
     ThreadState::current()->registerPreFinalizer(this);
     if (!timing)
         m_timing = new AnimationTimelineTiming(this);
     else
         m_timing = timing;
 
     if (RuntimeEnabledFeatures::compositorAnimationTimelinesEnabled() && Platform::current()->isThreadedAnimationEnabled())
-        m_compositorTimeline = adoptPtr(CompositorFactory::current().createAnimationTimeline());
+        m_compositorTimeline = CompositorFactory::current().createAnimationTimeline();
 
     ASSERT(document);
 }
 
 AnimationTimeline::~AnimationTimeline()
 {
 }
 
 void AnimationTimeline::dispose()
 {
@@ skipping 263 matching lines @@
 
 DEFINE_TRACE(AnimationTimeline)
 {
     visitor->trace(m_document);
     visitor->trace(m_timing);
     visitor->trace(m_animationsNeedingUpdate);
     visitor->trace(m_animations);
 }
 
 } // namespace blink