Revert "Remove OwnPtr from Blink."

third_party/WebKit/Source/core/animation/AnimationTimeline.h

 /*
  * 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 "bindings/core/v8/ScriptWrappable.h"
 #include "core/CoreExport.h"
 #include "core/animation/Animation.h"
 #include "core/animation/EffectModel.h"
 #include "core/dom/Element.h"
 #include "platform/Timer.h"
 #include "platform/animation/CompositorAnimationTimeline.h"
 #include "platform/heap/Handle.h"
 #include "wtf/RefPtr.h"
 #include "wtf/Vector.h"
-#include <memory>
 
 namespace blink {
 
 class Document;
 class AnimationEffect;
 
 // AnimationTimeline is constructed and owned by Document, and tied to its lifecycle.
 class CORE_EXPORT AnimationTimeline final : public GarbageCollectedFinalized<AnimationTimeline>, public ScriptWrappable {
     DEFINE_WRAPPERTYPEINFO();
     USING_PRE_FINALIZER(AnimationTimeline, dispose);
@@ skipping 62 matching lines @@
     HeapHashSet<WeakMember<Animation>> m_animations;
 
     double m_playbackRate;
 
     friend class SMILTimeContainer;
     static const double s_minimumDelay;
 
     Member<PlatformTiming> m_timing;
     double m_lastCurrentTimeInternal;
 
-    std::unique_ptr<CompositorAnimationTimeline> m_compositorTimeline;
+    OwnPtr<CompositorAnimationTimeline> m_compositorTimeline;
 
     class AnimationTimelineTiming final : public PlatformTiming {
     public:
         AnimationTimelineTiming(AnimationTimeline* timeline)
             : m_timeline(timeline)
             , m_timer(this, &AnimationTimelineTiming::timerFired)
         {
             ASSERT(m_timeline);
         }
 
         void wakeAfter(double duration) override;
         void serviceOnNextFrame() override;
 
         void timerFired(Timer<AnimationTimelineTiming>*) { m_timeline->wake(); }
 
         DECLARE_VIRTUAL_TRACE();
 
     private:
         Member<AnimationTimeline> m_timeline;
         Timer<AnimationTimelineTiming> m_timer;
     };
 
     friend class AnimationAnimationTimelineTest;
 };
 
 } // namespace blink
 
 #endif