cc: Add frame data to LTHI tracing

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 <string>
 #include <vector>
@@ skipping 121 matching lines @@
 
   // TopControlsManagerClient implementation.
   virtual void DidChangeTopControlsPosition() OVERRIDE;
   virtual bool HaveRootScrollLayer() const OVERRIDE;
 
   void StartScrollbarAnimation();
 
   struct CC_EXPORT FrameData : public RenderPassSink {
     FrameData();
     virtual ~FrameData();
+    scoped_ptr<base::Value> AsValue() const;
 
     std::vector<gfx::Rect> occluding_screen_space_rects;
     std::vector<gfx::Rect> non_occluding_screen_space_rects;
     RenderPassList render_passes;
     RenderPassIdHashMap render_passes_by_id;
     const LayerImplList* render_surface_layer_list;
     LayerImplList will_draw_layers;
     bool contains_incomplete_tile;
     bool has_no_damage;
 
@@ skipping 212 matching lines @@
   bool pinch_gesture_active() const { return pinch_gesture_active_; }
 
   void SetTreePriority(TreePriority priority);
 
   void ResetCurrentFrameTimeForNextFrame();
   base::TimeTicks CurrentFrameTimeTicks();
   base::Time CurrentFrameTime();
 
   virtual base::TimeTicks CurrentPhysicalTimeTicks() const;
 
-  scoped_ptr<base::Value> AsValue() const;
+  scoped_ptr<base::Value> AsValue() const { return AsValueWithFrame(NULL); }
+  scoped_ptr<base::Value> AsValueWithFrame(FrameData* frame) const;
   scoped_ptr<base::Value> ActivationStateAsValue() const;
 
   bool page_scale_animation_active() const { return !!page_scale_animation_; }
 
   void CreateUIResource(UIResourceId uid,
                         scoped_refptr<UIResourceBitmap> bitmap);
   // Deletes a UI resource.  May safely be called more than once.
   void DeleteUIResource(UIResourceId uid);
 
   ResourceProvider::ResourceId ResourceIdForUIResource(UIResourceId uid) const;
@@ skipping 170 matching lines @@
 
   // Optional callback to notify of new tree activations.
   base::Closure tree_activation_callback_;
 
   DISALLOW_COPY_AND_ASSIGN(LayerTreeHostImpl);
 };
 
 }  // namespace cc
 
 #endif  // CC_TREES_LAYER_TREE_HOST_IMPL_H_