CC Animation: Make AnimationRegistrar a private member of AnimationHost.

ui/compositor/layer_animator.cc

 // Copyright (c) 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 "ui/compositor/layer_animator.h"
 
 #include <stddef.h>
 
 #include <memory>
 
 #include "base/logging.h"
 #include "base/trace_event/trace_event.h"
 #include "cc/animation/animation_events.h"
 #include "cc/animation/animation_host.h"
 #include "cc/animation/animation_id_provider.h"
 #include "cc/animation/animation_player.h"
-#include "cc/animation/animation_registrar.h"
 #include "cc/animation/animation_timeline.h"
 #include "cc/animation/element_animations.h"
 #include "cc/animation/layer_animation_controller.h"
 #include "cc/output/begin_frame_args.h"
 #include "ui/compositor/compositor.h"
 #include "ui/compositor/layer.h"
 #include "ui/compositor/layer_animation_delegate.h"
 #include "ui/compositor/layer_animation_observer.h"
 #include "ui/compositor/layer_animation_sequence.h"
 #include "ui/compositor/layer_animator_collection.h"
@@ skipping 126 matching lines @@
   DCHECK(timeline);
 
   DCHECK(delegate_->GetCcLayer());
 
   // Register LAC so ElementAnimations picks it up via
   // AnimationRegistrar::GetAnimationControllerForId.
   if (animation_controller_state_) {
     DCHECK_EQ(animation_controller_state_->id(),
               delegate_->GetCcLayer()->id());
     timeline->animation_host()
-        ->animation_registrar()
         ->RegisterAnimationController(animation_controller_state_.get());
   }
 
   timeline->AttachPlayer(animation_player_);
 
   AttachLayerToAnimationPlayer(delegate_->GetCcLayer()->id());
 
   // Release LAC (it is referenced in ElementAnimations).
   animation_controller_state_ = nullptr;
 }
@@ skipping 790 matching lines @@
     const base::WeakPtr<LayerAnimationSequence>& sequence)
     : sequence_(sequence) {
 }
 
 LayerAnimator::RunningAnimation::RunningAnimation(
     const RunningAnimation& other) = default;
 
 LayerAnimator::RunningAnimation::~RunningAnimation() { }
 
 }  // namespace ui