[cros] Add network tray item for mobile network setup.

chrome/browser/ui/webui/options2/chromeos/internet_options_handler2.h

 // 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.
 
 #ifndef CHROME_BROWSER_UI_WEBUI_OPTIONS2_CHROMEOS_INTERNET_OPTIONS_HANDLER2_H_
 #define CHROME_BROWSER_UI_WEBUI_OPTIONS2_CHROMEOS_INTERNET_OPTIONS_HANDLER2_H_
 
 #include <string>
 
 #include "base/compiler_specific.h"
 #include "chrome/browser/chromeos/cros/network_library.h"
 #include "chrome/browser/chromeos/cros/network_ui_data.h"
 #include "chrome/browser/ui/webui/options2/options_ui2.h"
 #include "content/public/browser/notification_registrar.h"
 #include "ui/gfx/native_widget_types.h"
 
+class Browser;
 class SkBitmap;
+
 namespace views {
 class WidgetDelegate;
 }
 
 namespace options2 {
 
 // ChromeOS internet options page UI handler.
 class InternetOptionsHandler
   : public OptionsPageUIHandler,
     public chromeos::NetworkLibrary::NetworkManagerObserver,
@@ skipping 24 matching lines @@
   // content::NotificationObserver implementation.
   virtual void Observe(int type,
                        const content::NotificationSource& source,
                        const content::NotificationDetails& details) OVERRIDE;
 
  private:
   // Opens a modal popup dialog.
   void CreateModalPopup(views::WidgetDelegate* view);
   gfx::NativeWindow GetNativeWindow() const;
 
+  // Returns the last active browser. If there is no such browser, creates a new
+  // browser window with an empty tab and returns it.
+  Browser* GetAppropriateBrowser();
+
   // Passes data needed to show details overlay for network.
   // |args| will be [ network_type, service_path, command ]
   // And command is one of 'options', 'connect', disconnect', 'activate' or
   // 'forget'
   // Handle{Wifi,Cellular}ButtonClick handles button click on a wireless
   // network item and a cellular network item respectively.
   void ButtonClickCallback(const base::ListValue* args);
   void HandleWifiButtonClick(const std::string& service_path,
                              const std::string& command);
   void HandleCellularButtonClick(const std::string& service_path,
@@ skipping 81 matching lines @@
   chromeos::NetworkLibrary* cros_;
 
   content::NotificationRegistrar registrar_;
 
   DISALLOW_COPY_AND_ASSIGN(InternetOptionsHandler);
 };
 
 }  // namespace options2
 
 #endif  // CHROME_BROWSER_UI_WEBUI_OPTIONS2_CHROMEOS_INTERNET_OPTIONS_HANDLER2_H_