CC Animation: Expose TargetProperty enum to be aliased in Blink Platform.

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

 // Copyright 2016 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 CompositorAnimationPlayer_h
 #define CompositorAnimationPlayer_h
 
 #include "base/memory/ref_counted.h"
 #include "base/memory/scoped_ptr.h"
 #include "cc/animation/animation.h"
@@ skipping 27 matching lines @@
     void detachLayer();
     bool isLayerAttached() const;
 
     void addAnimation(CompositorAnimation*);
     void removeAnimation(int animationId);
     void pauseAnimation(int animationId, double timeOffset);
     void abortAnimation(int animationId);
 
 private:
     // cc::AnimationDelegate implementation.
-    void NotifyAnimationStarted(base::TimeTicks monotonicTime, cc::Animation::TargetProperty, int group) override;
-    void NotifyAnimationFinished(base::TimeTicks monotonicTime, cc::Animation::TargetProperty, int group) override;
-    void NotifyAnimationAborted(base::TimeTicks monotonicTime, cc::Animation::TargetProperty, int group) override;
+    void NotifyAnimationStarted(base::TimeTicks monotonicTime, cc::TargetProperty::Type, int group) override;
+    void NotifyAnimationFinished(base::TimeTicks monotonicTime, cc::TargetProperty::Type, int group) override;
+    void NotifyAnimationAborted(base::TimeTicks monotonicTime, cc::TargetProperty::Type, int group) override;
 
     scoped_refptr<cc::AnimationPlayer> m_animationPlayer;
     WebCompositorAnimationDelegate* m_delegate;
 };
 
 } // namespace blink
 
 #endif // CompositorAnimationPlayer_h