Revert "Remove OwnPtr from Blink."

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 23 matching lines @@
 #include "core/animation/ElementAnimations.h"
 #include "core/dom/Document.h"
 #include "core/frame/FrameView.h"
 #include "core/loader/DocumentLoader.h"
 #include "core/page/Page.h"
 #include "platform/RuntimeEnabledFeatures.h"
 #include "platform/TraceEvent.h"
 #include "platform/animation/CompositorAnimationTimeline.h"
 #include "public/platform/Platform.h"
 #include "public/platform/WebCompositorSupport.h"
-#include "wtf/PtrUtil.h"
 #include <algorithm>
 
 namespace blink {
 
 namespace {
 
 bool compareAnimations(const Member<Animation>& left, const Member<Animation>& right)
 {
     return Animation::hasLowerPriority(left.get(), right.get());
 }
@@ skipping 294 matching lines @@
 
 DEFINE_TRACE(AnimationTimeline)
 {
     visitor->trace(m_document);
     visitor->trace(m_timing);
     visitor->trace(m_animationsNeedingUpdate);
     visitor->trace(m_animations);
 }
 
 } // namespace blink