Provide warning message for setParameters

chromeos/dbus/fake_shill_third_party_vpn_driver_client.h

 // 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.
 
 #ifndef CHROMEOS_DBUS_FAKE_SHILL_THIRD_PARTY_VPN_DRIVER_CLIENT_H_
 #define CHROMEOS_DBUS_FAKE_SHILL_THIRD_PARTY_VPN_DRIVER_CLIENT_H_
 
 #include <stdint.h>
 
 #include "chromeos/chromeos_export.h"
@@ skipping 15 matching lines @@
   // ShillThirdPartyVpnDriverClient overrides
   void Init(dbus::Bus* bus) override;
   void AddShillThirdPartyVpnObserver(
       const std::string& object_path_value,
       ShillThirdPartyVpnObserver* observer) override;
   void RemoveShillThirdPartyVpnObserver(
       const std::string& object_path_value) override;
   void SetParameters(
       const std::string& object_path_value,
       const base::DictionaryValue& parameters,
-      const base::Closure& callback,
+      const ShillClientHelper::StringCallback& callback,
       const ShillClientHelper::ErrorCallback& error_callback) override;
   void UpdateConnectionState(
       const std::string& object_path_value,
       const uint32_t connection_state,
       const base::Closure& callback,
       const ShillClientHelper::ErrorCallback& error_callback) override;
   void SendPacket(
       const std::string& object_path_value,
       const std::vector<char>& ip_packet,
       const base::Closure& callback,
@@ skipping 10 matching lines @@
   using ObserverMap = std::map<std::string, ShillThirdPartyVpnObserver*>;
 
   ObserverMap observer_map_;
 
   DISALLOW_COPY_AND_ASSIGN(FakeShillThirdPartyVpnDriverClient);
 };
 
 }  // namespace chromeos
 
 #endif  // CHROMEOS_DBUS_FAKE_SHILL_THIRD_PARTY_VPN_DRIVER_CLIENT_H_