Send takeover msg from MT to CC using the animation path.

cc/trees/layer_tree_impl.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_TREES_LAYER_TREE_IMPL_H_
 #define CC_TREES_LAYER_TREE_IMPL_H_
 
 #include <map>
 #include <set>
 #include <string>
@@ skipping 428 matching lines @@
   bool IsAnimatingOpacityProperty(const LayerImpl* layer) const;
   bool IsAnimatingTransformProperty(const LayerImpl* layer) const;
 
   bool HasPotentiallyRunningFilterAnimation(const LayerImpl* layer) const;
   bool HasPotentiallyRunningOpacityAnimation(const LayerImpl* layer) const;
   bool HasPotentiallyRunningTransformAnimation(const LayerImpl* layer) const;
 
   bool HasAnyAnimationTargetingProperty(const LayerImpl* layer,
                                         TargetProperty::Type property) const;
 
-  bool ScrollOffsetIsAnimatingOnImplOnly(const LayerImpl* layer) const;
-
   bool AnimationsPreserveAxisAlignment(const LayerImpl* layer) const;
   bool HasOnlyTranslationTransforms(const LayerImpl* layer) const;
 
   bool MaximumTargetScale(const LayerImpl* layer, float* max_scale) const;
   bool AnimationStartScale(const LayerImpl* layer, float* start_scale) const;
 
   bool HasFilterAnimationThatInflatesBounds(const LayerImpl* layer) const;
   bool HasTransformAnimationThatInflatesBounds(const LayerImpl* layer) const;
   bool HasAnimationThatInflatesBounds(const LayerImpl* layer) const;
 
@@ skipping 127 matching lines @@
 
   std::unique_ptr<PendingPageScaleAnimation> pending_page_scale_animation_;
 
  private:
   DISALLOW_COPY_AND_ASSIGN(LayerTreeImpl);
 };
 
 }  // namespace cc
 
 #endif  // CC_TREES_LAYER_TREE_IMPL_H_