cc: add DevTools instrumentation for impl-side frames

cc/trees/layer_tree_host_impl.h

 // 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.
 
 #ifndef CC_TREES_LAYER_TREE_HOST_IMPL_H_
 #define CC_TREES_LAYER_TREE_HOST_IMPL_H_
 
 #include <list>
 #include <set>
 #include <string>
@@ skipping 86 matching lines @@
       public TileManagerClient,
       public OutputSurfaceClient,
       public TopControlsManagerClient,
       public base::SupportsWeakPtr<LayerTreeHostImpl> {
  public:
   static scoped_ptr<LayerTreeHostImpl> Create(
       const LayerTreeSettings& settings,
       LayerTreeHostImplClient* client,
       Proxy* proxy,
       RenderingStatsInstrumentation* rendering_stats_instrumentation,
-      SharedBitmapManager* manager);
+      SharedBitmapManager* manager,
+      int id);
   virtual ~LayerTreeHostImpl();
 
   // InputHandler implementation
   virtual void BindToClient(InputHandlerClient* client) OVERRIDE;
   virtual InputHandler::ScrollStatus ScrollBegin(
       gfx::Point viewport_point,
       InputHandler::ScrollInputType type) OVERRIDE;
   virtual bool ScrollBy(gfx::Point viewport_point,
                         gfx::Vector2dF scroll_delta) OVERRIDE;
   virtual bool ScrollVerticallyByPage(gfx::Point viewport_point,
@@ skipping 298 matching lines @@
   void ScheduleMicroBenchmark(scoped_ptr<MicroBenchmarkImpl> benchmark);
 
   CompositorFrameMetadata MakeCompositorFrameMetadata() const;
 
  protected:
   LayerTreeHostImpl(
       const LayerTreeSettings& settings,
       LayerTreeHostImplClient* client,
       Proxy* proxy,
       RenderingStatsInstrumentation* rendering_stats_instrumentation,
-      SharedBitmapManager* manager);
+      SharedBitmapManager* manager,
+      int id);
 
   // Virtual for testing.
   virtual void AnimateLayers(base::TimeTicks monotonic_time,
                              base::Time wall_clock_time);
 
   // Virtual for testing.
   virtual base::TimeDelta LowFrequencyAnimationInterval() const;
 
   const AnimationRegistrar::AnimationControllerMap&
       active_animation_controllers() const {
@@ skipping 193 matching lines @@
 
   bool need_to_update_visible_tiles_before_draw_;
 #ifndef NDEBUG
   bool did_lose_called_;
 #endif
 
   // Optional callback to notify of new tree activations.
   base::Closure tree_activation_callback_;
 
   SharedBitmapManager* shared_bitmap_manager_;
+  int id_;
 
   DISALLOW_COPY_AND_ASSIGN(LayerTreeHostImpl);
 };
 
 }  // namespace cc
 
 #endif  // CC_TREES_LAYER_TREE_HOST_IMPL_H_