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

cc/animation/animation_player.cc

 // Copyright 2015 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/animation/animation_player.h"
 
 #include "cc/animation/animation_delegate.h"
 #include "cc/animation/animation_host.h"
 #include "cc/animation/animation_timeline.h"
 #include "cc/animation/element_animations.h"
@@ skipping 63 matching lines @@
 
   element_id_ = 0;
 }
 
 void AnimationPlayer::RegisterPlayer() {
   DCHECK(element_id_);
   DCHECK(animation_host_);
   DCHECK(!element_animations_);
 
   // Create ElementAnimations or re-use existing.
-  animation_host_->RegisterPlayerForLayer(element_id_, this);
+  animation_host_->RegisterPlayerForElement(element_id_, this);
   // Get local reference to shared ElementAnimations.
   BindElementAnimations();
 }
 
 void AnimationPlayer::UnregisterPlayer() {
   DCHECK(element_id_);
   DCHECK(animation_host_);
   DCHECK(element_animations_);
 
   UnbindElementAnimations();
   // Destroy ElementAnimations or release it if it's still needed.
-  animation_host_->UnregisterPlayerForLayer(element_id_, this);
+  animation_host_->UnregisterPlayerForElement(element_id_, this);
 }
 
 void AnimationPlayer::BindElementAnimations() {
   DCHECK(!element_animations_);
   element_animations_ =
-      animation_host_->GetElementAnimationsForLayerId(element_id_);
+      animation_host_->GetElementAnimationsForElementId(element_id_);
   DCHECK(element_animations_);
 
   // Pass all accumulated animations to ElementAnimations.
   for (auto& animation : animations_) {
     element_animations_->AddAnimation(std::move(animation));
   }
   if (!animations_.empty())
     SetNeedsCommit();
   animations_.clear();
 }
@@ skipping 106 matching lines @@
   }
 }
 
 void AnimationPlayer::SetNeedsCommit() {
   DCHECK(animation_host_);
   animation_host_->SetNeedsCommit();
   animation_host_->SetNeedsRebuildPropertyTrees();
 }
 
 }  // namespace cc