Provide Shill Error to failure notification

ash/system/chromeos/network/network_connect.cc

Index: ash/system/chromeos/network/network_connect.cc
diff --git a/ash/system/chromeos/network/network_connect.cc b/ash/system/chromeos/network/network_connect.cc
index 23fd8d990a1ab5aefc4217433b4ce027c9117892..d0765cc217780bc5c4b1634a95694041b65f7902 100644
--- a/ash/system/chromeos/network/network_connect.cc
+++ b/ash/system/chromeos/network/network_connect.cc
@@ -58,10 +58,11 @@ bool IsDirectActivatedCarrier(const std::string& carrier) {
   return false;
 }
 
-void ShowErrorNotification(const std::string& error,
+void ShowErrorNotification(const std::string& error_name,
+                           const std::string& shill_error,
                            const std::string& service_path) {
   Shell::GetInstance()->system_tray_notifier()->network_state_notifier()->
-      ShowNetworkConnectError(error, service_path);
+      ShowNetworkConnectError(error_name, shill_error, service_path);
 }
 
 void OnConnectFailed(const std::string& service_path,
@@ -104,7 +105,10 @@ void OnConnectFailed(const std::string& service_path,
   }
 
   // ConnectFailed or unknown error; show a notification.
-  ShowErrorNotification(error_name, service_path);
+  std::string shill_error;
+  error_data.get()->GetString(
+      chromeos::network_handler::kErrorDetail, &shill_error);
+  ShowErrorNotification(error_name, shill_error, service_path);
 
   // Show a configure dialog for ConnectFailed errors.
   if (error_name != flimflam::kErrorConnectFailed)
@@ -153,7 +157,8 @@ void OnActivateFailed(const std::string& service_path,
                       const std::string& error_name,
                       scoped_ptr<base::DictionaryValue> error_data) {
   NET_LOG_ERROR("Unable to activate network", service_path);
-  ShowErrorNotification(network_connect::kErrorActivateFailed, service_path);
+  ShowErrorNotification(
+      network_connect::kErrorActivateFailed, "", service_path);
 }
 
 void OnActivateSucceeded(const std::string& service_path) {
@@ -163,7 +168,8 @@ void OnActivateSucceeded(const std::string& service_path) {
 void OnConfigureFailed(const std::string& error_name,
                        scoped_ptr<base::DictionaryValue> error_data) {
   NET_LOG_ERROR("Unable to configure network", "");
-  ShowErrorNotification(NetworkConnectionHandler::kErrorConfigureFailed, "");
+  ShowErrorNotification(
+      NetworkConnectionHandler::kErrorConfigureFailed, "", "");
 }
 
 void OnConfigureSucceeded(const std::string& service_path) {
@@ -180,7 +186,7 @@ void SetPropertiesFailed(const std::string& desc,
                          scoped_ptr<base::DictionaryValue> error_data) {
   NET_LOG_ERROR(desc + ": Failed: " + config_error_name, service_path);
   ShowErrorNotification(
-      NetworkConnectionHandler::kErrorConfigureFailed, service_path);
+      NetworkConnectionHandler::kErrorConfigureFailed, "", service_path);
 }
 
 void SetPropertiesToClear(base::DictionaryValue* properties_to_set,
@@ -405,7 +411,7 @@ void ConfigureNetworkAndConnect(const std::string& service_path,
   std::string profile_path;
   if (!GetNetworkProfilePath(shared, &profile_path)) {
     ShowErrorNotification(
-        NetworkConnectionHandler::kErrorConfigureFailed, service_path);
+        NetworkConnectionHandler::kErrorConfigureFailed, "", service_path);
     return;
   }
   NetworkHandler::Get()->network_configuration_handler()->SetNetworkProfile(
@@ -421,7 +427,8 @@ void CreateConfigurationAndConnect(base::DictionaryValue* properties,
   NET_LOG_USER("CreateConfigurationAndConnect", "");
   std::string profile_path;
   if (!GetNetworkProfilePath(shared, &profile_path)) {
-    ShowErrorNotification(NetworkConnectionHandler::kErrorConfigureFailed, "");
+    ShowErrorNotification(
+        NetworkConnectionHandler::kErrorConfigureFailed, "", "");
     return;
   }
   properties->SetStringWithoutPathExpansion(