Put Kiosk App parameters into device settings.

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

 // 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.
 
 #ifndef CHROME_BROWSER_UI_WEBUI_CHROMEOS_LOGIN_KIOSK_APP_MENU_HANDLER_H_
 #define CHROME_BROWSER_UI_WEBUI_CHROMEOS_LOGIN_KIOSK_APP_MENU_HANDLER_H_
 
 #include <string>
 
 #include "base/compiler_specific.h"
 #include "base/memory/scoped_ptr.h"
-#include "content/public/browser/notification_observer.h"
+#include "chrome/browser/chromeos/app_mode/kiosk_app_manager_observer.h"
 #include "content/public/browser/web_ui_message_handler.h"
 
 namespace chromeos {
 
 // KioskAppMenuHandler supplies kiosk apps data to apps menu on sign-in
 // screen when app mode is enabled and handles "launchKioskApp" request
 // from the apps menu.
 class KioskAppMenuHandler : public content::WebUIMessageHandler,
-                            public content::NotificationObserver {
+                            public KioskAppManagerObserver {
  public:
   KioskAppMenuHandler();
   virtual ~KioskAppMenuHandler();
 
   void GetLocalizedStrings(base::DictionaryValue* localized_strings);
 
   // content::WebUIMessageHandler overrides:
   virtual void RegisterMessages() OVERRIDE;
 
  private:
   // Sends all kiosk apps to webui.
   void SendKioskApps();
 
   // JS callbacks.
   void HandleInitializeKioskApps(const base::ListValue* args);
   void HandleKioskAppsLoaded(const base::ListValue* args);
   void HandleLaunchKioskApps(const base::ListValue* args);
   void HandleCheckKioskAppLaunchError(const base::ListValue* args);
 
-  // content::NotificationObserver overrides:
-  virtual void Observe(int type,
-                       const content::NotificationSource& source,
-                       const content::NotificationDetails& details) OVERRIDE;
+  // KioskAppManagerObserver overrides:
+  virtual void OnKioskAppsSettingsChanged() OVERRIDE;
+  virtual void OnKioskAppDataChanged(const std::string& app_id) OVERRIDE;
 
   bool initialized_;
 
   DISALLOW_COPY_AND_ASSIGN(KioskAppMenuHandler);
 };
 
 }  // namespace chromeos
 
 #endif  // CHROME_BROWSER_UI_WEBUI_CHROMEOS_LOGIN_KIOSK_APP_MENU_HANDLER_H_