Add device policy: Kiosk Virtual Keyboard Layout.

chrome/browser/chromeos/app_mode/kiosk_app_manager.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_CHROMEOS_APP_MODE_KIOSK_APP_MANAGER_H_
 #define CHROME_BROWSER_CHROMEOS_APP_MODE_KIOSK_APP_MANAGER_H_
 
 #include <string>
 #include <vector>
 
@@ skipping 135 matching lines @@
   // finished installing (e.g. because old version is still running). Otherwise,
   // |app| could be NULL and the current installed app in |profile| will be
   // used.
   void UpdateAppDataFromProfile(const std::string& app_id,
                                 Profile* profile,
                                 const extensions::Extension* app);
 
   void AddObserver(KioskAppManagerObserver* observer);
   void RemoveObserver(KioskAppManagerObserver* observer);
 
+  void UpdateKeyboardLayout();
+
  private:
   friend struct base::DefaultLazyInstanceTraits<KioskAppManager>;
   friend struct base::DefaultDeleter<KioskAppManager>;
   friend class KioskAppManagerTest;
   friend class KioskTest;
 
   enum AutoLoginState {
     AUTOLOGIN_NONE      = 0,
     AUTOLOGIN_REQUESTED = 1,
     AUTOLOGIN_APPROVED  = 2,
@@ skipping 55 matching lines @@
   // True if machine ownership is already established.
   bool ownership_established_;
   ScopedVector<KioskAppData> apps_;
   std::string auto_launch_app_id_;
   ObserverList<KioskAppManagerObserver, true> observers_;
 
   scoped_ptr<CrosSettings::ObserverSubscription>
       local_accounts_subscription_;
   scoped_ptr<CrosSettings::ObserverSubscription>
       local_account_auto_login_id_subscription_;
+  // Virtual keyboard layout subscription.
+  scoped_ptr<CrosSettings::ObserverSubscription> keyboard_layout_subscription_;
 
   scoped_ptr<ExternalCache> external_cache_;
 
   DISALLOW_COPY_AND_ASSIGN(KioskAppManager);
 };
 
 }  // namespace chromeos
 
 #endif  // CHROME_BROWSER_CHROMEOS_APP_MODE_KIOSK_APP_MANAGER_H_