HUD: Show first paint invalidation in red

cc/layers/layer_impl.h

Index: cc/layers/layer_impl.h
diff --git a/cc/layers/layer_impl.h b/cc/layers/layer_impl.h
index 65143ab514c386de3cc217c8f73cbd467dfab298..76b33c971ceda731ee06e4bbb5686ce5b40c1b84 100644
--- a/cc/layers/layer_impl.h
+++ b/cc/layers/layer_impl.h
@@ -7,6 +7,7 @@
 
 #include <set>
 #include <string>
+#include <vector>
 
 #include "base/logging.h"
 #include "base/memory/scoped_ptr.h"
@@ -18,8 +19,10 @@
 #include "cc/base/cc_export.h"
 #include "cc/base/region.h"
 #include "cc/base/scoped_ptr_vector.h"
+#include "cc/debug/layer_debug_info.h"
 #include "cc/input/input_handler.h"
 #include "cc/layers/draw_properties.h"
+#include "cc/layers/layer_client.h"
 #include "cc/layers/layer_lists.h"
 #include "cc/layers/layer_position_constraint.h"
 #include "cc/layers/render_surface_impl.h"
@@ -46,6 +49,7 @@ class DictionaryValue;
 
 namespace cc {
 
+struct DebugRect;
 class LayerTreeHostImpl;
 class LayerTreeImpl;
 class MicroBenchmarkImpl;
@@ -469,6 +473,8 @@ class CC_EXPORT LayerImpl : public LayerAnimationValueObserver,
   // Note this rect is in layer space (not content space).
   void SetUpdateRect(const gfx::RectF& update_rect);
 
+  virtual bool GetDetailedPaintRects(std::vector<DebugRect>*);
+
   const gfx::RectF& update_rect() const { return update_rect_; }
 
   void AddDamageRect(const gfx::RectF& damage_rect);
@@ -542,8 +548,8 @@ class CC_EXPORT LayerImpl : public LayerAnimationValueObserver,
 
   virtual void RunMicroBenchmark(MicroBenchmarkImpl* benchmark);
 
-  virtual void SetDebugInfo(
-      scoped_refptr<base::debug::ConvertableToTraceFormat> other);
+  virtual void SetDebugInfo(scoped_refptr<LayerDebugInfo> other);
+  scoped_refptr<LayerDebugInfo> debug_info() const { return debug_info_; }
 
   bool IsDrawnRenderSurfaceLayerListMember() const;
 
@@ -637,6 +643,7 @@ class CC_EXPORT LayerImpl : public LayerAnimationValueObserver,
 
   // Set for the layer that other layers are fixed to.
   bool is_container_for_fixed_position_layers_ : 1;
+
   Region non_fast_scrollable_region_;
   Region touch_event_handler_region_;
   SkColor background_color_;
@@ -703,7 +710,7 @@ class CC_EXPORT LayerImpl : public LayerAnimationValueObserver,
   // hierarchy before layers can be drawn.
   DrawProperties<LayerImpl> draw_properties_;
 
-  scoped_refptr<base::debug::ConvertableToTraceFormat> debug_info_;
+  scoped_refptr<LayerDebugInfo> debug_info_;
 
   DISALLOW_COPY_AND_ASSIGN(LayerImpl);
 };