HUD: Show first paint invalidation in red

ui/compositor/layer.cc

Index: ui/compositor/layer.cc
diff --git a/ui/compositor/layer.cc b/ui/compositor/layer.cc
index 1aac1a1efc44b3e675fb5bece1851edea0026ce2..3dafa845acbc152cbc040ef0fd0a3dfea7cd7e35 100644
--- a/ui/compositor/layer.cc
+++ b/ui/compositor/layer.cc
@@ -12,6 +12,7 @@
 #include "base/logging.h"
 #include "base/memory/scoped_ptr.h"
 #include "cc/base/scoped_ptr_algorithm.h"
+#include "cc/debug/layer_debug_info.h"
 #include "cc/layers/content_layer.h"
 #include "cc/layers/delegated_renderer_layer.h"
 #include "cc/layers/nine_patch_layer.h"
@@ -739,9 +740,9 @@ void Layer::SetForceRenderSurface(bool force) {
   cc_layer_->SetForceRenderSurface(force_render_surface_);
 }
 
-class LayerDebugInfo : public base::debug::ConvertableToTraceFormat {
+class UILayerDebugInfo : public cc::LayerDebugInfo {
  public:
-  explicit LayerDebugInfo(std::string name) : name_(name) { }
+  explicit UILayerDebugInfo(std::string name) : name_(name) {}
   virtual void AppendAsTraceFormat(std::string* out) const OVERRIDE {
     base::DictionaryValue dictionary;
     dictionary.SetString("layer_name", name_);
@@ -749,12 +750,12 @@ class LayerDebugInfo : public base::debug::ConvertableToTraceFormat {
   }
 
  private:
-  virtual ~LayerDebugInfo() { }
+  virtual ~UILayerDebugInfo() {}
   std::string name_;
 };
 
-scoped_refptr<base::debug::ConvertableToTraceFormat> Layer::TakeDebugInfo() {
-  return new LayerDebugInfo(name_);
+scoped_refptr<cc::LayerDebugInfo> Layer::TakeDebugInfo() {
+  return new UILayerDebugInfo(name_);
 }
 
 void Layer::OnAnimationStarted(const cc::AnimationEvent& event) {