Implemented screen notifying users about malformed HWID.

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 <set>
 #include <string>
 
@@ skipping 99 matching lines @@
   // Ignore password change, remove existing cryptohome and
   // force full sync of user data.
   virtual void ResyncUserData() = 0;
 
   // Shows Enterprise Enrollment screen.
   virtual void ShowEnterpriseEnrollmentScreen() = 0;
 
   // Shows Reset screen.
   virtual void ShowResetScreen() = 0;
 
+  // Show wrong hwid screen.
+  virtual void ShowWrongHWIDScreen() = 0;
+
   // Let the delegate know about the handler it is supposed to be using.
   virtual void SetWebUIHandler(LoginDisplayWebUIHandler* webui_handler) = 0;
 
   // Returns users list to be shown.
   virtual const UserList& GetUsers() const = 0;
 
   // Whether login as guest is available.
   virtual bool IsShowGuest() const = 0;
 
   // Whether login as guest is available.
@@ skipping 286 matching lines @@
   // NOTIFICATION_AUTH_NEEDED and reset on either NOTIFICATION_AUTH_SUPPLIED or
   // NOTIFICATION_AUTH_CANCELLED.
   bool has_pending_auth_ui_;
 
   DISALLOW_COPY_AND_ASSIGN(SigninScreenHandler);
 };
 
 }  // namespace chromeos
 
 #endif  // CHROME_BROWSER_UI_WEBUI_CHROMEOS_LOGIN_SIGNIN_SCREEN_HANDLER_H_