Added UI to enable debugging features on CrOS

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 132 matching lines @@
   // Used for new user login via GAIA extension.
   virtual void CompleteLogin(const UserContext& user_context) = 0;
 
   // --------------- Shared with login display methods.
   // Notify the delegate when the sign-in UI is finished loading.
   virtual void OnSigninScreenReady() = 0;
 
   // Shows Enterprise Enrollment screen.
   virtual void ShowEnterpriseEnrollmentScreen() = 0;
 
+  // Shows Enable Developer Features screen.
+  virtual void ShowEnableDebuggingScreen() = 0;
+
   // Shows Kiosk Enable screen.
   virtual void ShowKioskEnableScreen() = 0;
 
   // Shows Reset screen.
   virtual void ShowKioskAutolaunchScreen() = 0;
 
   // Show wrong hwid screen.
   virtual void ShowWrongHWIDScreen() = 0;
 
   // Sets the displayed email for the next login attempt. If it succeeds,
@@ skipping 203 matching lines @@
   void HandleLaunchPublicSession(const std::string& user_id,
                                  const std::string& locale,
                                  const std::string& input_method);
   void HandleOfflineLogin(const base::ListValue* args);
   void HandleShutdownSystem();
   void HandleLoadWallpaper(const std::string& email);
   void HandleRebootSystem();
   void HandleRemoveUser(const std::string& email);
   void HandleShowAddUser(const base::ListValue* args);
   void HandleToggleEnrollmentScreen();
+  void HandleToggleEnableDebuggingScreen();
   void HandleToggleKioskEnableScreen();
   void HandleToggleResetScreen();
   void HandleToggleKioskAutolaunchScreen();
   void HandleCreateAccount();
   void HandleAccountPickerReady();
   void HandleWallpaperReady();
   void HandleSignOutUser();
   void HandleOpenProxySettings();
   void HandleLoginVisible(const std::string& source);
   void HandleCancelPasswordChangedFlow();
@@ skipping 155 matching lines @@
   scoped_ptr<ErrorScreensHistogramHelper> histogram_helper_;
 
   base::WeakPtrFactory<SigninScreenHandler> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(SigninScreenHandler);
 };
 
 }  // namespace chromeos
 
 #endif  // CHROME_BROWSER_UI_WEBUI_CHROMEOS_LOGIN_SIGNIN_SCREEN_HANDLER_H_