cc: Use Element Id to Record Animation Changes

cc/layers/layer_impl.h

 // Copyright 2011 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef CC_LAYERS_LAYER_IMPL_H_
 #define CC_LAYERS_LAYER_IMPL_H_
 
 #include <stddef.h>
 #include <stdint.h>
 
@@ skipping 67 matching lines @@
   static std::unique_ptr<LayerImpl> Create(LayerTreeImpl* tree_impl, int id) {
     return base::WrapUnique(new LayerImpl(tree_impl, id));
   }
 
   virtual ~LayerImpl();
 
   int id() const { return layer_id_; }
 
   // Interactions with attached animations.
   gfx::ScrollOffset ScrollOffsetForAnimation() const;
-  void OnIsAnimatingChanged(const PropertyAnimationState& mask,
-                            const PropertyAnimationState& state);
   bool IsActive() const;
 
   void set_property_tree_sequence_number(int sequence_number) {}
 
   void SetTransformTreeIndex(int index);
   int transform_tree_index() const { return transform_tree_index_; }
 
   void SetClipTreeIndex(int index);
   int clip_tree_index() const { return clip_tree_index_; }
 
@@ skipping 13 matching lines @@
 
   void set_should_flatten_transform_from_property_tree(bool should_flatten) {
     should_flatten_transform_from_property_tree_ = should_flatten;
   }
   bool should_flatten_transform_from_property_tree() const {
     return should_flatten_transform_from_property_tree_;
   }
 
   bool is_clipped() const { return draw_properties_.is_clipped; }
 
-  void UpdatePropertyTreeTransformIsAnimated(bool is_animated);
   void UpdatePropertyTreeScrollOffset();
 
   LayerTreeImpl* layer_tree_impl() const { return layer_tree_impl_; }
 
   void PopulateSharedQuadState(SharedQuadState* state) const;
   void PopulateScaledSharedQuadState(SharedQuadState* state,
                                      float layer_to_content_scale_x,
                                      float layer_to_content_scale_y) const;
   // WillDraw must be called before AppendQuads. If WillDraw returns false,
   // AppendQuads and DidDraw will not be called. If WillDraw returns true,
@@ skipping 424 matching lines @@
   bool has_will_change_transform_hint_ : 1;
   bool needs_push_properties_ : 1;
   bool scrollbars_hidden_ : 1;
 
   DISALLOW_COPY_AND_ASSIGN(LayerImpl);
 };
 
 }  // namespace cc
 
 #endif  // CC_LAYERS_LAYER_IMPL_H_