Checkin for CL: http://codereview.chromium.org/3061044/show...

chrome/browser/userfeedback/proto/common.proto

Index: chrome/browser/userfeedback/proto/common.proto
===================================================================
--- chrome/browser/userfeedback/proto/common.proto	(revision 56646)
+++ chrome/browser/userfeedback/proto/common.proto	(working copy)
@@ -16,7 +16,13 @@
   // Description of the problem entered by user.
   optional string description = 2;
   optional string description_translated = 4;
-  optional string source_descripton_language = 5 [ default = "en" ];
+  optional string source_description_language = 5 [ default = "en" ];
+  optional string ui_language = 6 [ default = "en_US" ];
 
   optional string user_email = 3;
+  
+  // Unique identifier of feedback report. If set than only one report
+  // with the same identifier is stored in the system.
+  // If you are not sure how to use it leave it not set.
+  optional string unique_report_identifier = 7;
 };