Revert of Make Hands-Off Zero-Touch Enrollment compatibile with tests

chrome/browser/chromeos/login/wizard_controller.cc

 // 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.
 
 #include "chrome/browser/chromeos/login/wizard_controller.h"
 
 #include <signal.h>
 #include <stddef.h>
 #include <stdlib.h>
 #include <sys/types.h>
@@ skipping 1356 matching lines @@
           screen_id == OobeScreen::SCREEN_OOBE_EULA ||
           screen_id == OobeScreen::SCREEN_SPECIAL_LOGIN ||
           screen_id == OobeScreen::SCREEN_WRONG_HWID);
 }
 
 // static
 void WizardController::SkipPostLoginScreensForTesting() {
   skip_post_login_screens_ = true;
 }
 
-// static
-bool WizardController::UsingHandsOffEnrollment() {
-  return policy::DeviceCloudPolicyManagerChromeOS::
-             GetZeroTouchEnrollmentMode() ==
-         policy::ZeroTouchEnrollmentMode::HANDS_OFF;
-}
-
 void WizardController::OnLocalStateInitialized(bool /* succeeded */) {
   if (GetLocalState()->GetInitializationStatus() !=
       PrefService::INITIALIZATION_STATUS_ERROR) {
     return;
   }
   GetErrorScreen()->SetUIState(NetworkError::UI_STATE_LOCAL_STATE_ERROR);
   host_->SetStatusAreaVisible(false);
   ShowErrorScreen();
 }
 
@@ skipping 153 matching lines @@
   SetCurrentScreen(screen);
 }
 
 AutoEnrollmentController* WizardController::GetAutoEnrollmentController() {
   if (!auto_enrollment_controller_)
     auto_enrollment_controller_ = base::MakeUnique<AutoEnrollmentController>();
   return auto_enrollment_controller_.get();
 }
 
 }  // namespace chromeos