Elim parent_window parameter from network_connect

ash/system/tray/default_system_tray_delegate.cc

 // 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.
 
 #include "ash/system/tray/default_system_tray_delegate.h"
 
 #include <string>
 
 #include "ash/session/session_state_delegate.h"
 #include "ash/shell.h"
@@ skipping 189 matching lines @@
     IMEPropertyInfoList* list) {
 }
 
 void DefaultSystemTrayDelegate::SwitchIME(const std::string& ime_id) {
 }
 
 void DefaultSystemTrayDelegate::ActivateIMEProperty(const std::string& key) {
 }
 
 void DefaultSystemTrayDelegate::ShowNetworkConfigure(
-    const std::string& network_id,
-    gfx::NativeWindow parent_window) {
+    const std::string& network_id) {
 }
 
-bool DefaultSystemTrayDelegate::EnrollNetwork(const std::string& network_id,
-                                              gfx::NativeWindow parent_window) {
+bool DefaultSystemTrayDelegate::EnrollNetwork(const std::string& network_id) {
   return true;
 }
 
 void DefaultSystemTrayDelegate::ManageBluetoothDevices() {
 }
 
 void DefaultSystemTrayDelegate::ToggleBluetooth() {
   bluetooth_enabled_ = !bluetooth_enabled_;
 }
 
@@ skipping 58 matching lines @@
 bool DefaultSystemTrayDelegate::IsSearchKeyMappedToCapsLock() {
   return false;
 }
 
 tray::UserAccountsDelegate* DefaultSystemTrayDelegate::GetUserAccountsDelegate(
     const std::string& user_id) {
   return NULL;
 }
 
 }  // namespace ash