Removing base::Time from SetAnimationEvents and PostAnimationEventsToMainThreadOnImplThread.

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 ba496d9621cb0ee3297ebb87f318f1935e284919..0e3a66b31bc43d420fe4379f1f7b71cb905d5842 100644
--- a/cc/trees/layer_tree_host_impl.h
+++ b/cc/trees/layer_tree_host_impl.h
@@ -74,8 +74,7 @@ class LayerTreeHostImplClient {
   virtual void SetNeedsCommitOnImplThread() = 0;
   virtual void SetNeedsManageTilesOnImplThread() = 0;
   virtual void PostAnimationEventsToMainThreadOnImplThread(
-      scoped_ptr<AnimationEventsVector> events,
-      base::Time wall_clock_time) = 0;
+      scoped_ptr<AnimationEventsVector> events) = 0;
   // Returns true if resources were deleted by this call.
   virtual bool ReduceContentsTextureMemoryOnImplThread(
       size_t limit_bytes,
@@ -582,10 +581,6 @@ class CC_EXPORT LayerTreeHostImpl
   bool pinch_gesture_end_should_clear_scrolling_layer_;
   gfx::Point previous_pinch_anchor_;
 
-  // This is set by AnimateLayers() and used by UpdateAnimationState()
-  // when sending animation events to the main thread.
-  base::Time last_animation_time_;
-
   scoped_ptr<TopControlsManager> top_controls_manager_;
 
   scoped_ptr<PageScaleAnimation> page_scale_animation_;