CC Animations: Port Impl-only-scrolling to use compositor animation timelines.

cc/test/animation_timelines_test_common.h

 // 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.
 
 #ifndef CC_TEST_ANIMATION_TIMELINES_TEST_COMMON_H_
 #define CC_TEST_ANIMATION_TIMELINES_TEST_COMMON_H_
 
 #include "base/containers/scoped_ptr_hash_map.h"
 #include "base/memory/scoped_ptr.h"
 #include "cc/animation/animation.h"
@@ skipping 76 matching lines @@
 
   void SetLayerTransformMutated(int layer_id,
                                 LayerTreeType tree_type,
                                 const gfx::Transform& transform) override;
 
   void SetLayerScrollOffsetMutated(
       int layer_id,
       LayerTreeType tree_type,
       const gfx::ScrollOffset& scroll_offset) override;
 
+  void ScrollOffsetAnimationFinished() override {}
+  gfx::ScrollOffset GetScrollOffsetForAnimation(int layer_id) const override;
+
   bool mutators_need_commit() const { return mutators_need_commit_; }
   void set_mutators_need_commit(bool need) { mutators_need_commit_ = need; }
 
   void RegisterLayer(int layer_id, LayerTreeType tree_type);
   void UnregisterLayer(int layer_id, LayerTreeType tree_type);
 
   AnimationHost* host() {
     DCHECK(host_);
     return host_.get();
   }
@@ skipping 74 matching lines @@
   scoped_refptr<AnimationTimeline> timeline_;
   scoped_refptr<AnimationPlayer> player_;
 
   scoped_refptr<AnimationTimeline> timeline_impl_;
   scoped_refptr<AnimationPlayer> player_impl_;
 };
 
 }  // namespace cc
 
 #endif  // CC_TEST_ANIMATION_TIMELINES_TEST_COMMON_H_