cc: Add SetChildrenNeedBeginFrames() & SendBeginFramesToChildren()

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 362 matching lines @@
   }
 
   void RequestNewOutputSurface(bool fallback) override {
     test_hooks_->RequestNewOutputSurface(fallback);
   }
 
   void DidInitializeOutputSurface() override {
     test_hooks_->DidInitializeOutputSurface();
   }
 
+  void SendBeginFramesToChildren(const BeginFrameArgs& args) override {
+    test_hooks_->SendBeginFramesToChildren(args);
+  }
+
   void DidFailToInitializeOutputSurface() override {
     test_hooks_->DidFailToInitializeOutputSurface();
   }
 
   void WillCommit() override { test_hooks_->WillCommit(); }
 
   void DidCommit() override { test_hooks_->DidCommit(); }
 
   void DidCommitAndDrawFrame() override {
     test_hooks_->DidCommitAndDrawFrame();
@@ skipping 427 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