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

extensions/browser/api/networking_private/networking_private_api.h

 // Copyright 2013 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.
 
 #ifndef EXTENSIONS_BROWSER_API_NETWORKING_PRIVATE_NETWORKING_PRIVATE_API_H_
 #define EXTENSIONS_BROWSER_API_NETWORKING_PRIVATE_NETWORKING_PRIVATE_API_H_
 
 #include <memory>
 #include <string>
 
@@ skipping 280 matching lines @@
                              NETWORKINGPRIVATE_STARTCONNECT);
 
  protected:
   ~NetworkingPrivateStartConnectFunction() override;
 
   // ExtensionFunction:
   ResponseAction Run() override;
 
  private:
   void Success();
-  void Failure(const std::string& error);
+  void Failure(const std::string& guid, const std::string& error);
 
   DISALLOW_COPY_AND_ASSIGN(NetworkingPrivateStartConnectFunction);
 };
 
 // Implements the chrome.networkingPrivate.startDisconnect method.
 class NetworkingPrivateStartDisconnectFunction
     : public UIThreadExtensionFunction {
  public:
   NetworkingPrivateStartDisconnectFunction() {}
   DECLARE_EXTENSION_FUNCTION("networkingPrivate.startDisconnect",
@@ skipping 212 matching lines @@
   // ExtensionFunction:
   ResponseAction Run() override;
 
  private:
   DISALLOW_COPY_AND_ASSIGN(NetworkingPrivateGetGlobalPolicyFunction);
 };
 
 }  // namespace extensions
 
 #endif  // EXTENSIONS_BROWSER_API_NETWORKING_PRIVATE_NETWORKING_PRIVATE_API_H_