Remove SendBeginFramesToChildren plumbing

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 <stddef.h>
 #include <stdint.h>
 
 #include <algorithm>
@@ skipping 1258 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);
-}
-
 void LayerTreeHost::SetAuthoritativeVSyncInterval(
     const base::TimeDelta& interval) {
   proxy_->SetAuthoritativeVSyncInterval(interval);
 }
 
 void LayerTreeHost::RecordFrameTimingEvents(
     std::unique_ptr<FrameTimingTracker::CompositeTimingSet> composite_events,
     std::unique_ptr<FrameTimingTracker::MainFrameTimingSet> main_frame_events) {
   client_->RecordFrameTimingEvents(std::move(composite_events),
                                    std::move(main_frame_events));
@@ skipping 366 matching lines @@
       [seq_num](Layer* layer) {
         layer->set_property_tree_sequence_number(seq_num);
       },
       CallFunctionLayerType::ALL_LAYERS);
 
   surface_id_namespace_ = proto.surface_id_namespace();
   next_surface_sequence_ = proto.next_surface_sequence();
 }
 
 }  // namespace cc