HUD: Show first paint invalidation in red

cc/layers/layer_client.h

Index: cc/layers/layer_client.h
diff --git a/cc/layers/layer_client.h b/cc/layers/layer_client.h
index 5a20b11f8f46f088c48f2edcd9cfd7de34a32b88..8b5f8db5f7970359fcb65b416d81471fed2ed479 100644
--- a/cc/layers/layer_client.h
+++ b/cc/layers/layer_client.h
@@ -5,26 +5,19 @@
 #ifndef CC_LAYERS_LAYER_CLIENT_H_
 #define CC_LAYERS_LAYER_CLIENT_H_
 
-#include <string>
-
 #include "base/memory/ref_counted.h"
 #include "cc/base/cc_export.h"
 
-namespace base {
-namespace debug {
-class ConvertableToTraceFormat;
-}
-}
-
 namespace cc {
 
+class LayerDebugInfo;
+
 class CC_EXPORT LayerClient {
  public:
   // Returns a pointer to a debug info object, if one has been computed.
   // If not, returns NULL. If the returned pointer is non-NULL, the caller takes
   // ownership of the pointer.
-  virtual scoped_refptr<base::debug::ConvertableToTraceFormat>
-      TakeDebugInfo() = 0;
+  virtual scoped_refptr<LayerDebugInfo> TakeDebugInfo() = 0;
 
  protected:
   virtual ~LayerClient() {}