ChromeOS: Implement Network Selection screen of material design OOBE.

chrome/browser/ui/webui/chromeos/login/network_dropdown_handler.h

 // Copyright (c) 2011 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 CHROME_BROWSER_UI_WEBUI_CHROMEOS_LOGIN_NETWORK_DROPDOWN_HANDLER_H_
 #define CHROME_BROWSER_UI_WEBUI_CHROMEOS_LOGIN_NETWORK_DROPDOWN_HANDLER_H_
 
 #include <memory>
 #include <string>
 
@@ skipping 34 matching lines @@
   // Handles choosing of the network menu item.
   void HandleNetworkItemChosen(double id);
   // Handles network drop-down showing.
   void HandleNetworkDropdownShow(const std::string& element_id,
                                  bool oobe);
   // Handles network drop-down hiding.
   void HandleNetworkDropdownHide();
   // Handles network drop-down refresh.
   void HandleNetworkDropdownRefresh();
 
+  void HandleLaunchProxySettingsDialog();
+  void HandleLaunchAddWiFiNetworkDialog();
+  void HandleLaunchAddMobileNetworkDialog();
+
   std::unique_ptr<NetworkDropdown> dropdown_;
 
   base::ObserverList<Observer> observers_;
 
   DISALLOW_COPY_AND_ASSIGN(NetworkDropdownHandler);
 };
 
 }  // namespace chromeos
 #endif  // CHROME_BROWSER_UI_WEBUI_CHROMEOS_LOGIN_NETWORK_DROPDOWN_HANDLER_H_