Send idle notifications to V8 after commit

content/renderer/gpu/render_widget_compositor.h

 // Copyright (c) 2013 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.
 
 #ifndef CONTENT_RENDERER_GPU_RENDER_WIDGET_COMPOSITOR_H_
 #define CONTENT_RENDERER_GPU_RENDER_WIDGET_COMPOSITOR_H_
 
 #include "base/callback.h"
 #include "base/memory/weak_ptr.h"
 #include "base/time/time.h"
 #include "base/values.h"
 #include "cc/base/swap_promise.h"
 #include "cc/base/swap_promise_monitor.h"
 #include "cc/input/top_controls_state.h"
+#include "cc/output/begin_frame_args.h"
 #include "cc/trees/layer_tree_host_client.h"
 #include "cc/trees/layer_tree_host_single_thread_client.h"
 #include "cc/trees/layer_tree_settings.h"
 #include "third_party/WebKit/public/platform/WebLayerTreeView.h"
 #include "third_party/skia/include/core/SkBitmap.h"
 #include "ui/gfx/rect.h"
 
 namespace ui {
 struct LatencyInfo;
 }
@@ skipping 124 matching lines @@
 
  private:
   RenderWidgetCompositor(RenderWidget* widget, bool threaded);
 
   void Initialize(cc::LayerTreeSettings settings);
 
   bool threaded_;
   bool suppress_schedule_composite_;
   RenderWidget* widget_;
   scoped_ptr<cc::LayerTreeHost> layer_tree_host_;
+  cc::BeginFrameArgs begin_main_frame_args_;
 };
 
 }  // namespace content
 
 #endif  // CONTENT_RENDERER_GPU_RENDER_WIDGET_COMPOSITOR_H_