Rename ActiveAnimation -> Animation

cc/animation_events.h

 // Copyright 2012 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 CC_ANIMATION_EVENTS_H_
 #define CC_ANIMATION_EVENTS_H_
 
 #include <vector>
 
-#include "cc/active_animation.h"
+#include "cc/animation.h"
 
 namespace cc {
 
 struct AnimationEvent {
     enum Type { Started, Finished };
 
-    AnimationEvent(Type type, int layerId, int groupId, ActiveAnimation::TargetProperty targetProperty, double monotonicTime)
+    AnimationEvent(Type type, int layerId, int groupId, Animation::TargetProperty targetProperty, double monotonicTime)
         : type(type)
         , layerId(layerId)
         , groupId(groupId)
         , targetProperty(targetProperty)
         , monotonicTime(monotonicTime)
     {
     }
 
     Type type;
     int layerId;
     int groupId;
-    ActiveAnimation::TargetProperty targetProperty;
+    Animation::TargetProperty targetProperty;
     double monotonicTime;
 };
 
 typedef std::vector<AnimationEvent> AnimationEventsVector;
 
 }  // namespace cc
 
 #endif  // CC_ANIMATION_EVENTS_H_