Remove Layer{Impl}::TransformIsAnimating.

cc/layers/layer_impl.cc

 // 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.
 
 #include "cc/layers/layer_impl.h"
 
 #include <stddef.h>
 #include <stdint.h>
 
 #include <algorithm>
@@ skipping 649 matching lines @@
 
   mutable_properties_ = properties;
   // If this layer is already in the element map, update its properties.
   layer_tree_impl_->AddToElementMap(this);
 }
 
 void LayerImpl::SetPosition(const gfx::PointF& position) {
   position_ = position;
 }
 
-bool LayerImpl::TransformIsAnimating() const {
-  return GetMutatorHost()->IsAnimatingTransformProperty(
-      element_id(), GetElementTypeForAnimation());
-}
-
 bool LayerImpl::HasPotentiallyRunningTransformAnimation() const {
   return GetMutatorHost()->HasPotentiallyRunningTransformAnimation(
       element_id(), GetElementTypeForAnimation());
 }
 
 bool LayerImpl::HasAnyAnimationTargetingProperty(
     TargetProperty::Type property) const {
   return GetMutatorHost()->HasAnyAnimationTargetingProperty(element_id(),
                                                             property);
 }
@@ skipping 293 matching lines @@
 
 ScrollTree& LayerImpl::GetScrollTree() const {
   return GetPropertyTrees()->scroll_tree;
 }
 
 TransformTree& LayerImpl::GetTransformTree() const {
   return GetPropertyTrees()->transform_tree;
 }
 
 }  // namespace cc