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 8af8c3de3e9d08a16e863256d05906d908fdbfd9..fbad1b5077165c47a0a63bab9cfd25f6b3f80fae 100644
--- a/cc/layers/layer_impl.h
+++ b/cc/layers/layer_impl.h
@@ -20,6 +20,7 @@
 #include "cc/base/scoped_ptr_vector.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"
@@ -469,6 +470,13 @@ class CC_EXPORT LayerImpl : public LayerAnimationValueObserver,
   // Note this rect is in layer space (not content space).
   void SetUpdateRect(const gfx::RectF& update_rect);
 
+  bool includes_first_paint_invalidation() const {
+    return includes_first_paint_invalidation_;
+  }
+  void SetIncludesFirstPaintInvalidation(bool b) {
+    includes_first_paint_invalidation_ = b;
+  }
+
   const gfx::RectF& update_rect() const { return update_rect_; }
 
   void AddDamageRect(const gfx::RectF& damage_rect);
@@ -541,8 +549,8 @@ 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;
 
@@ -636,6 +644,9 @@ class CC_EXPORT LayerImpl : public LayerAnimationValueObserver,
 
   // Set for the layer that other layers are fixed to.
   bool is_container_for_fixed_position_layers_ : 1;
+
+  bool includes_first_paint_invalidation_ : 1;
+
   Region non_fast_scrollable_region_;
   Region touch_event_handler_region_;
   SkColor background_color_;
@@ -702,7 +713,7 @@ 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);
 };