HUD: Show first paint invalidation in red

cc/blink/web_layer_impl.h

Index: cc/blink/web_layer_impl.h
diff --git a/cc/blink/web_layer_impl.h b/cc/blink/web_layer_impl.h
index 3a8130e30b4b068fa45108b7cbf1bdc3aa123bf2..5f40a238be38af292889d3178af048f9168c8ab8 100644
--- a/cc/blink/web_layer_impl.h
+++ b/cc/blink/web_layer_impl.h
@@ -29,18 +29,13 @@ class WebLayerClient;
 struct WebFloatRect;
 }
 
-namespace base {
-namespace debug {
-class ConvertableToTraceFormat;
-}
-}
-
 namespace cc {
 class Layer;
 }
 
 namespace cc_blink {
 
+class TracedDebugInfo;
 class WebToCCAnimationDelegateAdapter;
 
 class WebLayerImpl : public blink::WebLayer, public cc::LayerClient {
@@ -131,8 +126,7 @@ class WebLayerImpl : public blink::WebLayer, public cc::LayerClient {
   virtual void setWebLayerClient(blink::WebLayerClient* client);
 
   // LayerClient implementation.
-  virtual scoped_refptr<base::debug::ConvertableToTraceFormat> TakeDebugInfo()
-      OVERRIDE;
+  virtual scoped_refptr<cc::LayerDebugInfo> TakeDebugInfo() OVERRIDE;
 
   virtual void setScrollParent(blink::WebLayer* parent);
   virtual void setClipParent(blink::WebLayer* parent);