[not for review] Add Draw entries to window Performance Timeline

cc/layers/layer.h

 // Copyright 2010 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_LAYERS_LAYER_H_
 #define CC_LAYERS_LAYER_H_
 
 #include <set>
 #include <string>
+#include <utility>
+#include <vector>
 
 #include "base/callback.h"
 #include "base/memory/ref_counted.h"
 #include "base/observer_list.h"
 #include "cc/animation/layer_animation_controller.h"
 #include "cc/animation/layer_animation_value_observer.h"
 #include "cc/animation/layer_animation_value_provider.h"
 #include "cc/base/cc_export.h"
 #include "cc/base/region.h"
 #include "cc/base/scoped_ptr_vector.h"
@@ skipping 46 matching lines @@
 
 // Base class for composited layers. Special layer types are derived from
 // this class.
 class CC_EXPORT Layer : public base::RefCounted<Layer>,
                         public LayerAnimationValueObserver,
                         public LayerAnimationValueProvider {
  public:
   typedef RenderSurfaceLayerList RenderSurfaceListType;
   typedef LayerList LayerListType;
   typedef RenderSurface RenderSurfaceType;
+  typedef std::vector<std::pair<int64_t, gfx::Rect> > DrawFrameRequestRectsType;
 
   enum LayerIdLabels {
     INVALID_ID = -1,
   };
 
   static scoped_refptr<Layer> Create();
 
   int id() const { return layer_id_; }
 
   Layer* RootLayer();
@@ skipping 203 matching lines @@
   void SetNonFastScrollableRegion(const Region& non_fast_scrollable_region);
   const Region& non_fast_scrollable_region() const {
     return non_fast_scrollable_region_;
   }
 
   void SetTouchEventHandlerRegion(const Region& touch_event_handler_region);
   const Region& touch_event_handler_region() const {
     return touch_event_handler_region_;
   }
 
+  void SetDrawFrameRequestRects(const DrawFrameRequestRectsType& rects);
+  const DrawFrameRequestRectsType& draw_frame_request_rects() const {
+    return draw_frame_request_rects_;
+  }
+
   void set_did_scroll_callback(const base::Closure& callback) {
     did_scroll_callback_ = callback;
   }
 
   void SetDrawCheckerboardForMissingTiles(bool checkerboard);
   bool draw_checkerboard_for_missing_tiles() const {
     return draw_checkerboard_for_missing_tiles_;
   }
 
   void SetForceRenderSurface(bool force_render_surface);
@@ skipping 282 matching lines @@
   bool masks_to_bounds_ : 1;
   bool contents_opaque_ : 1;
   bool double_sided_ : 1;
   bool should_flatten_transform_ : 1;
   bool use_parent_backface_visibility_ : 1;
   bool draw_checkerboard_for_missing_tiles_ : 1;
   bool force_render_surface_ : 1;
   bool transform_is_invertible_ : 1;
   Region non_fast_scrollable_region_;
   Region touch_event_handler_region_;
+  DrawFrameRequestRectsType draw_frame_request_rects_;
   gfx::PointF position_;
   SkColor background_color_;
   float opacity_;
   SkXfermode::Mode blend_mode_;
   FilterOperations filters_;
   FilterOperations background_filters_;
   LayerPositionConstraint position_constraint_;
   Layer* scroll_parent_;
   scoped_ptr<std::set<Layer*> > scroll_children_;
 
@@ skipping 18 matching lines @@
   DrawProperties<Layer> draw_properties_;
 
   PaintProperties paint_properties_;
 
   DISALLOW_COPY_AND_ASSIGN(Layer);
 };
 
 }  // namespace cc
 
 #endif  // CC_LAYERS_LAYER_H_