cc: Add SetChildrenNeedBeginFrames() & SendBeginFramesToChildren()

cc/trees/layer_tree_host.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_host.h"
 
 #include <algorithm>
 #include <stack>
 #include <string>
 
@@ skipping 1339 matching lines @@
 }
 
 void LayerTreeHost::set_surface_id_namespace(uint32_t id_namespace) {
   surface_id_namespace_ = id_namespace;
 }
 
 SurfaceSequence LayerTreeHost::CreateSurfaceSequence() {
   return SurfaceSequence(surface_id_namespace_, next_surface_sequence_++);
 }
 
+void LayerTreeHost::SetChildrenNeedBeginFrames(
+    bool children_need_begin_frames) const {
+  proxy_->SetChildrenNeedBeginFrames(children_need_begin_frames);
+}
+
+void LayerTreeHost::SendBeginFramesToChildren(
+    const BeginFrameArgs& args) const {
+  client_->SendBeginFramesToChildren(args);
+}
+
 }  // namespace cc