Retrieve the list of keyboard layouts for public sessions async

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

 // Copyright (c) 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_SIGNIN_SCREEN_HANDLER_H_
 #define CHROME_BROWSER_UI_WEBUI_CHROMEOS_LOGIN_SIGNIN_SCREEN_HANDLER_H_
 
 #include <map>
 #include <set>
 #include <string>
@@ skipping 340 matching lines @@
   void HandleLoginScreenUpdate();
   void HandleShowLoadingTimeoutError();
   void HandleUpdateOfflineLogin(bool offline_login_active);
   void HandleShowSupervisedUserCreationScreen();
   void HandleFocusPod(const std::string& user_id);
   void HandleLaunchKioskApp(const std::string& app_id, bool diagnostic_mode);
   void HandleRetrieveAuthenticatedUserEmail(double attempt_token);
   void HandleGetPublicSessionKeyboardLayouts(const std::string& user_id,
                                              const std::string& locale);
 
+  // Sends the list of keyboard layouts available for the currently selected
+  // public session locale.
+  void SendPublicSessionKeyboardLayouts(
+      const std::string& user_id,
+      scoped_ptr<base::ListValue> keyboard_layouts);
+
   // Returns true iff
   // (i)   log in is restricted to some user list,
   // (ii)  all users in the restricted list are present.
   bool AllWhitelistedUsersPresent();
 
   // Cancels password changed flow - switches back to login screen.
   // Called as a callback after cookies are cleared.
   void CancelPasswordChangedFlowInternal();
 
   // Returns current visible screen.
@@ skipping 92 matching lines @@
   scoped_ptr<AuthenticatedUserEmailRetriever> email_retriever_;
 
   base::WeakPtrFactory<SigninScreenHandler> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(SigninScreenHandler);
 };
 
 }  // namespace chromeos
 
 #endif  // CHROME_BROWSER_UI_WEBUI_CHROMEOS_LOGIN_SIGNIN_SCREEN_HANDLER_H_