CC Animation: Replace AnimiationEventsVector with AnimiationEvents class.

cc/trees/layer_tree_host_impl.h

Index: cc/trees/layer_tree_host_impl.h
diff --git a/cc/trees/layer_tree_host_impl.h b/cc/trees/layer_tree_host_impl.h
index f7391beba013ad58220cc6a794bc6881c400b401..78bc1d270e59d403c433067f9e05ada15f0b3049 100644
--- a/cc/trees/layer_tree_host_impl.h
+++ b/cc/trees/layer_tree_host_impl.h
@@ -15,7 +15,6 @@
 #include "base/macros.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/time/time.h"
-#include "cc/animation/animation_events.h"
 #include "cc/animation/animation_registrar.h"
 #include "cc/animation/scrollbar_animation_controller.h"
 #include "cc/base/cc_export.h"
@@ -51,6 +50,7 @@ class ScrollOffset;
 
 namespace cc {
 
+class AnimationEvents;
 class AnimationHost;
 class CompletionEvent;
 class CompositorFrameMetadata;
@@ -111,7 +111,7 @@ class LayerTreeHostImplClient {
   virtual void SetNeedsPrepareTilesOnImplThread() = 0;
   virtual void SetVideoNeedsBeginFrames(bool needs_begin_frames) = 0;
   virtual void PostAnimationEventsToMainThreadOnImplThread(
-      scoped_ptr<AnimationEventsVector> events) = 0;
+      scoped_ptr<AnimationEvents> events) = 0;
   virtual bool IsInsideDraw() = 0;
   virtual void RenewTreePriority() = 0;
   virtual void PostDelayedAnimationTaskOnImplThread(const base::Closure& task,