CC Animations: Redirect all compositor animation requests to AnimationHost.

cc/trees/layer_tree_host.h

Index: cc/trees/layer_tree_host.h
diff --git a/cc/trees/layer_tree_host.h b/cc/trees/layer_tree_host.h
index 23aa6a394333fc81558b2e1f48095ad1443e00f5..1be62611758ced6d7eeaaa3582f926688e38f0c3 100644
--- a/cc/trees/layer_tree_host.h
+++ b/cc/trees/layer_tree_host.h
@@ -255,7 +255,6 @@ class CC_EXPORT LayerTreeHost : public LayerTreeMutatorsClient {
   HeadsUpDisplayLayer* hud_layer() const { return hud_layer_.get(); }
 
   Proxy* proxy() const { return proxy_.get(); }
-
   AnimationRegistrar* animation_registrar() const {
     return animation_registrar_.get();
   }
@@ -334,6 +333,16 @@ class CC_EXPORT LayerTreeHost : public LayerTreeMutatorsClient {
       bool active_tree,
       const gfx::ScrollOffset& scroll_offset) override;
 
+  bool ScrollOffsetAnimationWasInterrupted(const Layer* layer) const;
+  bool IsAnimatingFilterProperty(const Layer* layer) const;
+  bool IsAnimatingOpacityProperty(const Layer* layer) const;
+  bool IsAnimatingTransformProperty(const Layer* layer) const;
+  bool HasPotentiallyRunningOpacityAnimation(const Layer* layer) const;
+  bool HasPotentiallyRunningTransformAnimation(const Layer* layer) const;
+  bool AnimationsPreserveAxisAlignment(const Layer* layer) const;
+  bool HasAnyAnimation(const Layer* layer) const;
+  bool HasActiveAnimation(const Layer* layer) const;
+
  protected:
   LayerTreeHost(LayerTreeHostClient* client,
                 SharedBitmapManager* shared_bitmap_manager,