Cleanup: Remove unused variables in chrome/ found by Scythe.

chrome/browser/ui/webui/chromeos/login/enrollment_screen_handler.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_UI_WEBUI_CHROMEOS_LOGIN_ENROLLMENT_SCREEN_HANDLER_H_
 #define CHROME_BROWSER_UI_WEBUI_CHROMEOS_LOGIN_ENROLLMENT_SCREEN_HANDLER_H_
 
 #include <string>
 
 #include "base/basictypes.h"
@@ skipping 94 matching lines @@
   bool IsEnrollmentScreenHiddenByError() const;
 
   // Keeps the controller for this actor.
   Controller* controller_;
 
   bool show_on_init_;
 
   // The enrollment configuration.
   policy::EnrollmentConfig config_;
 
-  // Whether an enrollment attempt has failed.
-  bool enrollment_failed_once_;
-
   // Latest enrollment frame error.
   net::Error frame_error_;
 
   // True if screen was not shown yet.
   bool first_show_;
 
   // Whether we should handle network errors on enrollment screen.
   // True when signin screen step is shown.
   bool observe_network_failure_;
 
   // Network state informer used to keep signin screen up.
   scoped_refptr<NetworkStateInformer> network_state_informer_;
 
   NetworkErrorModel* network_error_model_;
 
   scoped_ptr<ErrorScreensHistogramHelper> histogram_helper_;
 
   // GAIA extension loader.
   scoped_ptr<ScopedGaiaAuthExtension> auth_extension_;
 
   base::WeakPtrFactory<EnrollmentScreenHandler> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(EnrollmentScreenHandler);
 };
 
 }  // namespace chromeos
 
 #endif  // CHROME_BROWSER_UI_WEBUI_CHROMEOS_LOGIN_ENROLLMENT_SCREEN_HANDLER_H_