Ref count layer animation controllers.

cc/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/layer_tree_impl.h"
 
 #include "cc/layer_tree_host_common.h"
 #include "cc/layer_tree_host_impl.h"
 
 namespace cc {
@@ skipping 142 matching lines @@
 }
 
 std::string LayerTreeImpl::layer_tree_as_text() const {
   return layer_tree_host_impl_->layerTreeAsText();
 }
 
 DebugRectHistory* LayerTreeImpl::debug_rect_history() const {
   return layer_tree_host_impl_->debugRectHistory();
 }
 
+AnimationRegistrar* LayerTreeImpl::animationRegistrar() const {
+  return layer_tree_host_impl_->animationRegistrar();
+}
 
 } // namespace cc