Don't show network config UI when networkingPrivate.startConenct fails

extensions/browser/api/networking_private/networking_private_chromeos.cc

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "extensions/browser/api/networking_private/networking_private_chromeos.h"
 
 #include <memory>
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
@@ skipping 518 matching lines @@
     const FailureCallback& failure_callback) {
   std::string service_path, error;
   if (!GetServicePathFromGuid(guid, &service_path, &error)) {
     failure_callback.Run(error);
     return;
   }
 
   const bool check_error_state = false;
   NetworkHandler::Get()->network_connection_handler()->ConnectToNetwork(
       service_path, success_callback,
-      base::Bind(&NetworkingPrivateChromeOS::ConnectFailureCallback,
-                 weak_ptr_factory_.GetWeakPtr(), guid, success_callback,
-                 failure_callback),
+      base::Bind(&NetworkHandlerFailureCallback, failure_callback),
       check_error_state);
 }
 
 void NetworkingPrivateChromeOS::StartDisconnect(
     const std::string& guid,
     const VoidCallback& success_callback,
     const FailureCallback& failure_callback) {
   std::string service_path, error;
   if (!GetServicePathFromGuid(guid, &service_path, &error)) {
     failure_callback.Run(error);
@@ skipping 325 matching lines @@
       break;
     }
     case UIProxyConfig::MODE_DIRECT:
     case UIProxyConfig::MODE_AUTO_DETECT:
       break;
   }
 
   VLOG(2) << " NEW PROXY: " << *proxy_settings;
 }
 
-void NetworkingPrivateChromeOS::ConnectFailureCallback(
-    const std::string& guid,
-    const VoidCallback& success_callback,
-    const FailureCallback& failure_callback,
-    const std::string& error_name,
-    std::unique_ptr<base::DictionaryValue> error_data) {
-  // TODO(stevenjb): Temporary workaround to show the configuration UI.
-  // Eventually the caller (e.g. Settings) should handle any failures and
-  // show its own configuration UI. crbug.com/380937.
-  if (ui_delegate()->HandleConnectFailed(guid, error_name)) {
-    success_callback.Run();
-    return;
-  }
-  failure_callback.Run(error_name);
-}
-
 }  // namespace extensions