Implemented screen notifying users about malformed HWID.

chrome/browser/chromeos/login/login_display.h

 // Copyright (c) 2012 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_LOGIN_LOGIN_DISPLAY_H_
 #define CHROME_BROWSER_CHROMEOS_LOGIN_LOGIN_DISPLAY_H_
 
 #include <string>
 #include <vector>
 
@@ skipping 58 matching lines @@
 
     // Called when existing user pod is selected in the UI.
     virtual void OnUserSelected(const std::string& username) = 0;
 
     // Called when the user requests enterprise enrollment.
     virtual void OnStartEnterpriseEnrollment() = 0;
 
     // Called when the user requests device reset.
     virtual void OnStartDeviceReset() = 0;
 
+    // Shows wrong HWID screen.
+    virtual void ShowWrongHWIDScreen() = 0;
+
     // Ignore password change, remove existing cryptohome and
     // force full sync of user data.
     virtual void ResyncUserData() = 0;
 
     // Sets the displayed email for the next login attempt with |CompleteLogin|.
     // If it succeeds, user's displayed email value will be updated to |email|.
     virtual void SetDisplayEmail(const std::string& email) = 0;
 
     // Sign out the currently signed in user.
     // Used when the lock screen is being displayed.
@@ skipping 75 matching lines @@
 
   // Bounds of the login UI background.
   gfx::Rect background_bounds_;
 
   DISALLOW_COPY_AND_ASSIGN(LoginDisplay);
 };
 
 }  // namespace chromeos
 
 #endif  // CHROME_BROWSER_CHROMEOS_LOGIN_LOGIN_DISPLAY_H_