cros: Replace WizardController string constants with OobeScreen values.

chrome/browser/chromeos/system/device_disabling_manager_default_delegate.cc

 // 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.
 
 #include "chrome/browser/chromeos/system/device_disabling_manager_default_delegate.h"
 
 #include "chrome/browser/chromeos/login/ui/login_display_host.h"
 #include "chrome/browser/chromeos/login/wizard_controller.h"
 #include "chrome/browser/lifetime/application_lifetime.h"
 
 namespace chromeos {
 namespace system {
 
 DeviceDisablingManagerDefaultDelegate::DeviceDisablingManagerDefaultDelegate() {
 }
 
 void DeviceDisablingManagerDefaultDelegate::RestartToLoginScreen() {
   chrome::AttemptUserExit();
 }
 
 void DeviceDisablingManagerDefaultDelegate::ShowDeviceDisabledScreen() {
   LoginDisplayHost::default_host()->StartWizard(
-      WizardController::kDeviceDisabledScreenName);
+      OobeScreen::SCREEN_DEVICE_DISABLED);
 }
 
 }  // namespace system
 }  // namespace chromeos