Added UI to enable debugging features on CrOS

chrome/browser/chromeos/login/ui/webui_login_display.h

 // Copyright 2014 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_UI_WEBUI_LOGIN_DISPLAY_H_
 #define CHROME_BROWSER_CHROMEOS_LOGIN_UI_WEBUI_LOGIN_DISPLAY_H_
 
 #include <string>
 #include <vector>
 
@@ skipping 51 matching lines @@
   virtual void Signout() override;
   virtual void CreateAccount() override;
   virtual void CompleteLogin(const UserContext& user_context) override;
 
   virtual void OnSigninScreenReady() override;
   virtual void CancelUserAdding() override;
   virtual void LoadWallpaper(const std::string& username) override;
   virtual void LoadSigninWallpaper() override;
   virtual void RemoveUser(const std::string& username) override;
   virtual void ShowEnterpriseEnrollmentScreen() override;
+  virtual void ShowEnableDebuggingScreen() override;
   virtual void ShowKioskEnableScreen() override;
   virtual void ShowKioskAutolaunchScreen() override;
   virtual void ShowWrongHWIDScreen() override;
   virtual void SetWebUIHandler(
       LoginDisplayWebUIHandler* webui_handler) override;
   virtual void ShowSigninScreenForCreds(const std::string& username,
                                         const std::string& password);
   virtual const user_manager::UserList& GetUsers() const override;
   virtual bool IsShowGuest() const override;
   virtual bool IsShowUsers() const override;
@@ skipping 26 matching lines @@
 
   scoped_ptr<GaiaScreen> gaia_screen_;
   scoped_ptr<UserSelectionScreen> user_selection_screen_;
 
   DISALLOW_COPY_AND_ASSIGN(WebUILoginDisplay);
 };
 
 }  // namespace chromeos
 
 #endif  // CHROME_BROWSER_CHROMEOS_LOGIN_UI_WEBUI_LOGIN_DISPLAY_H_