cros: Replace WizardController string constants with OobeScreen values.

chrome/browser/chromeos/system/device_disabling_browsertest.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 <memory>
 #include <string>
 
 #include "base/bind.h"
 #include "base/logging.h"
 #include "base/macros.h"
@@ skipping 124 matching lines @@
 }
 
 IN_PROC_BROWSER_TEST_F(DeviceDisablingTest, DisableDuringNormalOperation) {
   // Mark the device as disabled and wait until cros settings update.
   MarkDisabledAndWaitForPolicyFetch();
 
   // Verify that the device disabled screen is being shown.
   WizardController* const wizard_controller =
       WizardController::default_controller();
   ASSERT_TRUE(wizard_controller);
-  EXPECT_EQ(wizard_controller->GetScreen(
-                WizardController::kDeviceDisabledScreenName),
+  EXPECT_EQ(wizard_controller->GetScreen(OobeScreen::SCREEN_DEVICE_DISABLED),
             wizard_controller->current_screen());
 }
 
 // Verifies that device disabling works when the ephemeral users policy is
 // enabled. This case warrants its own test because the UI behaves somewhat
 // differently when the policy is set: A background job runs on startup that
 // causes the UI to try and show the login screen after some delay. It must
 // be ensured that the login screen does not show and does not clobber the
 // disabled screen.
 IN_PROC_BROWSER_TEST_F(DeviceDisablingTest, DisableWithEphemeralUsers) {
@@ skipping 56 matching lines @@
   base::RunLoop().RunUntilIdle();
 
   // Verify that the offline error screen was not shown and the device disabled
   // screen is still being shown instead.
   EXPECT_EQ(GetOobeScreenName(OobeScreen::SCREEN_DEVICE_DISABLED),
             GetCurrentScreenName(web_contents));
 }
 
 }  // namespace system
 }  // namespace chromeos