cc: Control defer_commits logic by Scheduler

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 464 matching lines @@
 }
 
 void LayerTreeHost::FinishAllRendering() {
   proxy_->FinishAllRendering();
 }
 
 void LayerTreeHost::SetDeferCommits(bool defer_commits) {
   proxy_->SetDeferCommits(defer_commits);
 }
 
-void LayerTreeHost::DidDeferCommit() {}
-
 void LayerTreeHost::SetNeedsDisplayOnAllLayers() {
   std::stack<Layer*> layer_stack;
   layer_stack.push(root_layer());
   while (!layer_stack.empty()) {
     Layer* current_layer = layer_stack.top();
     layer_stack.pop();
     current_layer->SetNeedsDisplay();
     for (unsigned int i = 0; i < current_layer->children().size(); i++) {
       layer_stack.push(current_layer->child_at(i));
     }
@@ skipping 860 matching lines @@
     bool children_need_begin_frames) const {
   proxy_->SetChildrenNeedBeginFrames(children_need_begin_frames);
 }
 
 void LayerTreeHost::SendBeginFramesToChildren(
     const BeginFrameArgs& args) const {
   client_->SendBeginFramesToChildren(args);
 }
 
 }  // namespace cc