Share animations from compositor to main thread.

cc/blink/web_to_cc_animation_delegate_adapter.h

Index: cc/blink/web_to_cc_animation_delegate_adapter.h
diff --git a/cc/blink/web_to_cc_animation_delegate_adapter.h b/cc/blink/web_to_cc_animation_delegate_adapter.h
index 09787365604e643bc911f0201335f92bbb4fc6e4..6c5453e372fc2ed8e98c724273bda47723071737 100644
--- a/cc/blink/web_to_cc_animation_delegate_adapter.h
+++ b/cc/blink/web_to_cc_animation_delegate_adapter.h
@@ -30,6 +30,10 @@ class WebToCCAnimationDelegateAdapter : public cc::AnimationDelegate {
   void NotifyAnimationAborted(base::TimeTicks monotonic_time,
                               cc::TargetProperty::Type target_property,
                               int group) override;
+  void NotifyAnimationTakeover(base::TimeTicks monotonic_time,
+                               cc::TargetProperty::Type target_property,
+                               double animation_start_time,
+                               scoped_ptr<cc::AnimationCurve> curve) override {}
 
   blink::WebCompositorAnimationDelegate* delegate_;