Share animations from compositor to main thread.

cc/trees/layer_tree_impl.cc

 // Copyright 2011 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/trees/layer_tree_impl.h"
 
 #include <stddef.h>
 #include <stdint.h>
 
 #include <algorithm>
@@ skipping 1926 matching lines @@
              : false;
 }
 
 bool LayerTreeImpl::OpacityIsAnimatingOnImplOnly(const LayerImpl* layer) const {
   return layer_tree_host_impl_->animation_host()
              ? layer_tree_host_impl_->animation_host()
                    ->OpacityIsAnimatingOnImplOnly(layer->id())
              : false;
 }
 
+bool LayerTreeImpl::ScrollOffsetIsAnimatingOnImplOnly(
+    const LayerImpl* layer) const {
+  return layer_tree_host_impl_->animation_host()
+             ? layer_tree_host_impl_->animation_host()
+                   ->ScrollOffsetIsAnimatingOnImplOnly(layer->id())
+             : false;
+}
+
 bool LayerTreeImpl::TransformIsAnimatingOnImplOnly(
     const LayerImpl* layer) const {
   return layer_tree_host_impl_->animation_host()
              ? layer_tree_host_impl_->animation_host()
                    ->TransformIsAnimatingOnImplOnly(layer->id())
              : false;
 }
 
 bool LayerTreeImpl::AnimationsPreserveAxisAlignment(
     const LayerImpl* layer) const {
@@ skipping 71 matching lines @@
                                                    const gfx::BoxF& box,
                                                    gfx::BoxF* bounds) const {
   *bounds = gfx::BoxF();
   return layer_tree_host_impl_->animation_host()
              ? layer_tree_host_impl_->animation_host()
                    ->TransformAnimationBoundsForBox(layer->id(), box, bounds)
              : true;
 }
 
 }  // namespace cc