cc: Introduce forward_begin_frames_to_children and use_external_begin_frame_source

cc/test/layer_tree_test.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/test/layer_tree_test.h"
 
 #include "base/command_line.h"
 #include "cc/animation/animation.h"
 #include "cc/animation/animation_registrar.h"
 #include "cc/animation/layer_animation_controller.h"
@@ skipping 589 matching lines @@
 }
 
 void LayerTreeTest::WillBeginTest() {
   layer_tree_host_->SetLayerTreeHostClientReady();
 }
 
 void LayerTreeTest::DoBeginTest() {
   client_ = LayerTreeHostClientForTesting::Create(this);
 
   scoped_ptr<ExternalBeginFrameSourceForTest> external_begin_frame_source;
-  if (settings_.begin_frame_scheduling_enabled &&
+  if (settings_.use_external_begin_frame_source &&
       settings_.throttle_frame_production) {
     external_begin_frame_source.reset(
         new ExternalBeginFrameSourceForTest(settings_.refresh_rate));
     external_begin_frame_source_ = external_begin_frame_source.get();
   }
 
   DCHECK(!impl_thread_ || impl_thread_->message_loop_proxy().get());
   layer_tree_host_ = LayerTreeHostForTesting::Create(
       this,
       client_.get(),
@@ skipping 163 matching lines @@
 
 scoped_ptr<OutputSurface> LayerTreeTest::CreateOutputSurface(bool fallback) {
   scoped_ptr<FakeOutputSurface> output_surface =
       CreateFakeOutputSurface(fallback);
   if (output_surface) {
     DCHECK_EQ(delegating_renderer_,
               output_surface->capabilities().delegated_rendering);
   }
   output_surface_ = output_surface.get();
 
-  if (settings_.begin_frame_scheduling_enabled &&
+  if (settings_.use_external_begin_frame_source &&
       settings_.throttle_frame_production) {
     DCHECK(external_begin_frame_source_);
     DCHECK(external_begin_frame_source_->is_ready());
   }
   return output_surface.Pass();
 }
 
 scoped_ptr<FakeOutputSurface> LayerTreeTest::CreateFakeOutputSurface(
     bool fallback) {
   if (delegating_renderer_)
@@ skipping 17 matching lines @@
   return -1;
 }
 
 void LayerTreeTest::DestroyLayerTreeHost() {
   if (layer_tree_host_ && layer_tree_host_->root_layer())
     layer_tree_host_->root_layer()->SetLayerTreeHost(NULL);
   layer_tree_host_ = nullptr;
 }
 
 }  // namespace cc