Bootstrapping: Send meaningful error code/message from Slave to Master

chrome/browser/chromeos/login/screens/network_screen.cc

Index: chrome/browser/chromeos/login/screens/network_screen.cc
diff --git a/chrome/browser/chromeos/login/screens/network_screen.cc b/chrome/browser/chromeos/login/screens/network_screen.cc
index 5fa9d2dca3ccbccff7e575477df82221ca1043d9..35e89307d9d28c5e13e08c6296f6f56b4d26e331 100644
--- a/chrome/browser/chromeos/login/screens/network_screen.cc
+++ b/chrome/browser/chromeos/login/screens/network_screen.cc
@@ -154,9 +154,9 @@ void NetworkScreen::GetConnectedWifiNetwork(std::string* out_onc_spec) {
 void NetworkScreen::CreateAndConnectNetworkFromOnc(
     const std::string& onc_spec,
     const base::Closure& success_callback,
-    const base::Closure& failed_callback) {
+    const network_handler::ErrorCallback& error_callback) {
   network_state_helper_->CreateAndConnectNetworkFromOnc(
-      onc_spec, success_callback, failed_callback);
+      onc_spec, success_callback, error_callback);
 }
 
 void NetworkScreen::AddObserver(Observer* observer) {