CC Animation: Replace AnimiationEventsVector with AnimiationEvents class.

cc/trees/channel_impl.h

Index: cc/trees/channel_impl.h
diff --git a/cc/trees/channel_impl.h b/cc/trees/channel_impl.h
index 2776116b681ba6a412d12fa3040436e0f6f78a6f..d5d3159cc442f641c975196a4e68b1399e4d4b40 100644
--- a/cc/trees/channel_impl.h
+++ b/cc/trees/channel_impl.h
@@ -5,7 +5,6 @@
 #ifndef CC_TREES_CHANNEL_IMPL_H_
 #define CC_TREES_CHANNEL_IMPL_H_
 
-#include "cc/animation/animation_events.h"
 #include "cc/base/cc_export.h"
 #include "cc/debug/frame_timing_tracker.h"
 #include "cc/output/renderer_capabilities.h"
@@ -13,6 +12,8 @@
 
 namespace cc {
 
+class AnimationEvents;
+
 // Channel used to send commands to and receive commands from ProxyMain.
 // The ChannelImpl implementation creates and owns ProxyImpl on receiving the
 // InitializeImpl call from ChannelMain.
@@ -25,7 +26,7 @@ class CC_EXPORT ChannelImpl {
       const RendererCapabilities& capabilities) = 0;
   virtual void BeginMainFrameNotExpectedSoon() = 0;
   virtual void DidCommitAndDrawFrame() = 0;
-  virtual void SetAnimationEvents(scoped_ptr<AnimationEventsVector> queue) = 0;
+  virtual void SetAnimationEvents(scoped_ptr<AnimationEvents> queue) = 0;
   virtual void DidLoseOutputSurface() = 0;
   virtual void RequestNewOutputSurface() = 0;
   virtual void DidInitializeOutputSurface(