CC Animation: Move files from cc_blink to Source/platform/animation

third_party/WebKit/Source/platform/animation/WebCompositorAnimationTimeline.h

 // Copyright 2015 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef WebCompositorAnimationTimeline_h
 #define WebCompositorAnimationTimeline_h
 
+#include "base/memory/ref_counted.h"
+#include "base/memory/scoped_ptr.h"
+#include "platform/PlatformExport.h"
+
+namespace cc {
+class AnimationTimeline;
+}
+
 namespace blink {
 
 class WebCompositorAnimationPlayerClient;
 
 // A compositor representation for timeline.
-class WebCompositorAnimationTimeline {
+class PLATFORM_EXPORT WebCompositorAnimationTimeline {
 public:
-    virtual ~WebCompositorAnimationTimeline() { }
+    WebCompositorAnimationTimeline();
+    virtual ~WebCompositorAnimationTimeline();
 
-    virtual void playerAttached(const WebCompositorAnimationPlayerClient&) { }
-    virtual void playerDestroyed(const WebCompositorAnimationPlayerClient&) { }
+    cc::AnimationTimeline* animationTimeline() const;
+
+    virtual void playerAttached(const WebCompositorAnimationPlayerClient&);
+    virtual void playerDestroyed(const WebCompositorAnimationPlayerClient&);
+
+private:
+    scoped_refptr<cc::AnimationTimeline> m_animationTimeline;
 };
 
 } // namespace blink
 
 #endif // WebCompositorAnimationTimeline_h