Add login screen locale and input method device policies

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

Index: chrome/browser/ui/webui/chromeos/login/signin_screen_handler.h
diff --git a/chrome/browser/ui/webui/chromeos/login/signin_screen_handler.h b/chrome/browser/ui/webui/chromeos/login/signin_screen_handler.h
index 60809afb6dec68e2601206f47b521ce667dcb359..63978affbc934bdba0ae1848cac142398b4e7886 100644
--- a/chrome/browser/ui/webui/chromeos/login/signin_screen_handler.h
+++ b/chrome/browser/ui/webui/chromeos/login/signin_screen_handler.h
@@ -376,6 +376,7 @@ class SigninScreenHandler
   void HandleShowLoadingTimeoutError();
   void HandleShowSupervisedUserCreationScreen();
   void HandleFocusPod(const AccountId& account_id);
+  void HandleNoPodFocused();
   void HandleHardlockPod(const std::string& user_id);
   void HandleLaunchKioskApp(const AccountId& app_account_id,
                             bool diagnostic_mode);
@@ -431,6 +432,9 @@ class SigninScreenHandler
   // Callback invoked after the feedback is finished.
   void OnFeedbackFinished();
 
+  // Called when the cros property controlling allowed input methods changes.
+  void OnAllowedInputMethodsChanged();
+
   // Current UI state of the signin screen.
   UIState ui_state_ = UI_STATE_UNKNOWN;
 
@@ -467,6 +471,9 @@ class SigninScreenHandler
 
   content::NotificationRegistrar registrar_;
 
+  std::unique_ptr<CrosSettings::ObserverSubscription>
+      allowed_input_methods_subscription_;
+
   // Whether there is an auth UI pending. This flag is set on receiving
   // NOTIFICATION_AUTH_NEEDED and reset on either NOTIFICATION_AUTH_SUPPLIED or
   // NOTIFICATION_AUTH_CANCELLED.
@@ -511,6 +518,8 @@ class SigninScreenHandler
 
   std::unique_ptr<LoginFeedback> login_feedback_;
 
+  std::unique_ptr<AccountId> focused_pod_account_id_;
+
   base::WeakPtrFactory<SigninScreenHandler> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(SigninScreenHandler);