CC Animation: Replace AnimiationEventsVector with AnimiationEvents class.

ui/compositor/layer_animation_sequence.h

 // 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.
 
 #ifndef UI_COMPOSITOR_LAYER_ANIMATION_SEQUENCE_H_
 #define UI_COMPOSITOR_LAYER_ANIMATION_SEQUENCE_H_
 
 #include <stddef.h>
 
 #include <vector>
 
 #include "base/gtest_prod_util.h"
 #include "base/macros.h"
 #include "base/memory/linked_ptr.h"
 #include "base/memory/weak_ptr.h"
 #include "base/observer_list.h"
 #include "base/time/time.h"
 #include "ui/compositor/compositor_export.h"
 #include "ui/compositor/layer_animation_element.h"
 
+namespace cc {
+struct AnimationEvent;
+}
+
 namespace ui {
 
 class LayerAnimationDelegate;
 class LayerAnimationObserver;
 
 // Contains a collection of layer animation elements to be played one after
 // another. Although it has a similar interface to LayerAnimationElement, it is
 // not a LayerAnimationElement (i.e., it is not permitted to have a sequence in
 // a sequence). Sequences own their elements, and sequences are themselves owned
 // by a LayerAnimator.
@@ skipping 158 matching lines @@
   double last_progressed_fraction_;
 
   base::WeakPtrFactory<LayerAnimationSequence> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(LayerAnimationSequence);
 };
 
 }  // namespace ui
 
 #endif  // UI_COMPOSITOR_LAYER_ANIMATION_SEQUENCE_H_