Use GUID instead of servicePath in network settings

ash/system/tray/system_tray_delegate.cc

 // Copyright (c) 2012 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 "ash/system/tray/system_tray_delegate.h"
 
 namespace ash {
 
 NetworkIconInfo::NetworkIconInfo()
     : connecting(false),
@@ skipping 100 matching lines @@
 bool SystemTrayDelegate::ShouldShowSettings() {
   return false;
 }
 
 void SystemTrayDelegate::ShowDateSettings() {
 }
 
 void SystemTrayDelegate::ShowSetTimeDialog() {
 }
 
-void SystemTrayDelegate::ShowNetworkSettings(const std::string& service_path) {
+void SystemTrayDelegate::ShowNetworkSettingsForGuid(const std::string& guid) {
 }
 
 void SystemTrayDelegate::ShowBluetoothSettings() {
 }
 
 void SystemTrayDelegate::ShowDisplaySettings() {
 }
 
 void SystemTrayDelegate::ShowChromeSlow() {
 }
@@ skipping 144 matching lines @@
 
 void SystemTrayDelegate::RemoveShutdownPolicyObserver(
     ShutdownPolicyObserver* observer) {
 }
 
 void SystemTrayDelegate::ShouldRebootOnShutdown(
     const RebootOnShutdownCallback& callback) {
 }
 
 }  // namespace ash