Plumb NotifyAnimationAborted from the compositor to blink animation delegate.

cc/test/test_hooks.h

Index: cc/test/test_hooks.h
diff --git a/cc/test/test_hooks.h b/cc/test/test_hooks.h
index fd45cbcd09f1b82bfe04b6a7d9e9070dd3ee61c3..8caec7f8f774aea41220233a0e16708ee7385bd5 100644
--- a/cc/test/test_hooks.h
+++ b/cc/test/test_hooks.h
@@ -130,6 +130,9 @@ class TestHooks : public AnimationDelegate {
   void NotifyAnimationFinished(base::TimeTicks monotonic_time,
                                Animation::TargetProperty target_property,
                                int group) override {}
+  void NotifyAnimationAborted(base::TimeTicks monotonic_time,
+                              Animation::TargetProperty target_property,
+                              int group) override {}
 
   virtual void RequestNewOutputSurface() = 0;
 };