CC Animation: Erase LayerAnimationEventObserver.

cc/animation/layer_animation_controller.h

 // 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.
 
 #ifndef CC_ANIMATION_LAYER_ANIMATION_CONTROLLER_H_
 #define CC_ANIMATION_LAYER_ANIMATION_CONTROLLER_H_
 
 #include <bitset>
 #include <memory>
 #include <vector>
 
 #include "base/macros.h"
 #include "base/memory/ref_counted.h"
 #include "base/time/time.h"
 #include "cc/animation/animation.h"
-#include "cc/animation/layer_animation_event_observer.h"
+#include "cc/animation/animation_events.h"
 #include "cc/animation/target_property.h"
 #include "cc/base/cc_export.h"
 #include "ui/gfx/geometry/scroll_offset.h"
 #include "ui/gfx/transform.h"
 
 namespace gfx {
 class BoxF;
 class Transform;
 }
 
@@ skipping 86 matching lines @@
 
   void set_needs_active_value_observations(
       bool needs_active_value_observations) {
     needs_active_value_observations_ = needs_active_value_observations;
   }
   void set_needs_pending_value_observations(
       bool needs_pending_value_observations) {
     needs_pending_value_observations_ = needs_pending_value_observations;
   }
 
-  void SetEventObserver(LayerAnimationEventObserver* observer);
-
   void set_value_provider(LayerAnimationValueProvider* provider) {
     value_provider_ = provider;
   }
 
   void remove_value_provider(LayerAnimationValueProvider* provider) {
     if (value_provider_ == provider)
       value_provider_ = nullptr;
   }
 
   void set_layer_animation_delegate(AnimationDelegate* delegate) {
@@ skipping 107 matching lines @@
 
   AnimationHost* host_;
   int id_;
   std::vector<std::unique_ptr<Animation>> animations_;
 
   // This is used to ensure that we don't spam the animation host.
   bool is_active_;
 
   base::TimeTicks last_tick_time_;
 
-  LayerAnimationEventObserver* event_observer_;
   LayerAnimationValueObserver* value_observer_;
   LayerAnimationValueProvider* value_provider_;
   AnimationDelegate* layer_animation_delegate_;
 
   bool needs_active_value_observations_;
   bool needs_pending_value_observations_;
 
   // Only try to start animations when new animations are added or when the
   // previous attempt at starting animations failed to start all animations.
   bool needs_to_start_animations_;
 
   bool scroll_offset_animation_was_interrupted_;
 
   bool potentially_animating_transform_for_active_observers_;
   bool potentially_animating_transform_for_pending_observers_;
 
   DISALLOW_COPY_AND_ASSIGN(LayerAnimationController);
 };
 
 }  // namespace cc
 
 #endif  // CC_ANIMATION_LAYER_ANIMATION_CONTROLLER_H_