CC Animation: Let MutatorHostClient deals with elements instead of layers.

cc/test/animation_test_common.cc

 // Copyright 2012 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.
 
 #include "cc/test/animation_test_common.h"
 
 #include "base/memory/ptr_util.h"
 #include "cc/animation/animation_host.h"
 #include "cc/animation/animation_id_provider.h"
 #include "cc/animation/animation_player.h"
@@ skipping 293 matching lines @@
   player->AttachLayer(layer_id);
   DCHECK(player->element_animations());
   player->AddAnimation(std::move(animation));
 }
 
 void AddAnimationToLayerWithExistingPlayer(
     int layer_id,
     scoped_refptr<AnimationTimeline> timeline,
     std::unique_ptr<Animation> animation) {
   scoped_refptr<ElementAnimations> element_animations =
-      timeline->animation_host()->GetElementAnimationsForLayerId(layer_id);
+      timeline->animation_host()->GetElementAnimationsForElementId(layer_id);
   DCHECK(element_animations);
   element_animations->AddAnimation(std::move(animation));
 }
 
 void RemoveAnimationFromLayerWithExistingPlayer(
     int layer_id,
     scoped_refptr<AnimationTimeline> timeline,
     int animation_id) {
   scoped_refptr<ElementAnimations> element_animations =
-      timeline->animation_host()->GetElementAnimationsForLayerId(layer_id);
+      timeline->animation_host()->GetElementAnimationsForElementId(layer_id);
   DCHECK(element_animations);
   element_animations->RemoveAnimation(animation_id);
 }
 
 Animation* GetAnimationFromLayerWithExistingPlayer(
     int layer_id,
     scoped_refptr<AnimationTimeline> timeline,
     int animation_id) {
   scoped_refptr<ElementAnimations> element_animations =
-      timeline->animation_host()->GetElementAnimationsForLayerId(layer_id);
+      timeline->animation_host()->GetElementAnimationsForElementId(layer_id);
   DCHECK(element_animations);
   return element_animations->GetAnimationById(animation_id);
 }
 
 int AddAnimatedFilterToLayerWithPlayer(
     int layer_id,
     scoped_refptr<AnimationTimeline> timeline,
     double duration,
     float start_brightness,
     float end_brightness) {
@@ skipping 48 matching lines @@
   player->AttachLayer(layer_id);
   DCHECK(player->element_animations());
   return AddOpacityTransitionToPlayer(player.get(), duration, start_opacity,
                                       end_opacity, use_timing_function);
 }
 
 void AbortAnimationsOnLayerWithPlayer(int layer_id,
                                       scoped_refptr<AnimationTimeline> timeline,
                                       TargetProperty::Type target_property) {
   scoped_refptr<ElementAnimations> element_animations =
-      timeline->animation_host()->GetElementAnimationsForLayerId(layer_id);
+      timeline->animation_host()->GetElementAnimationsForElementId(layer_id);
   DCHECK(element_animations);
   element_animations->AbortAnimations(target_property);
 }
 
 }  // namespace cc