Offer user to send feedback from profile error dialog

components/webdata_services/web_data_service_wrapper.h

Index: components/webdata_services/web_data_service_wrapper.h
diff --git a/components/webdata_services/web_data_service_wrapper.h b/components/webdata_services/web_data_service_wrapper.h
index a9aa97fb0132ed7643270d6c0ec339d196ae6543..3da8cd9348ddf78c650fa5aa926562052c2d30a0 100644
--- a/components/webdata_services/web_data_service_wrapper.h
+++ b/components/webdata_services/web_data_service_wrapper.h
@@ -46,7 +46,14 @@ class WebDataServiceWrapper : public KeyedService {
   };
 
   // Shows an error message if a loading error occurs.
-  using ShowErrorCallback = void (*)(ErrorType, sql::InitStatus);
+  // |error_type| shows which service encountered an error while loading.
+  // |init_status| is the returned status of initializing the underlying
+  // database.
+  // |diagnostics| contains information about the underlying database
+  // which can help in identifying the cause of the error.
+  using ShowErrorCallback = void (*)(ErrorType error_type,
+                                     sql::InitStatus init_status,
+                                     const std::string& diagnostics);
 
   // Constructor for WebDataServiceWrapper that initializes the different
   // WebDataServices and starts the synchronization services using |flare|.