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

chrome/browser/chromeos/login/wizard_controller.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_CHROMEOS_LOGIN_WIZARD_CONTROLLER_H_
 #define CHROME_BROWSER_CHROMEOS_LOGIN_WIZARD_CONTROLLER_H_
 
 #include <map>
 #include <memory>
 #include <string>
@@ skipping 67 matching lines @@
   // If true zero delays have been enabled (for browser tests).
   static bool IsZeroDelayEnabled();
 
   // Checks whether screen show time should be tracked with UMA.
   static bool IsOOBEStepToTrack(OobeScreen screen_id);
 
   // Skips any screens that may normally be shown after login (registration,
   // Terms of Service, user image selection).
   static void SkipPostLoginScreensForTesting();
 
-  // Returns true if OOBE is operating under the
-  // Zero-Touch Hands-Off Enrollment Flow.
-  static bool UsingHandsOffEnrollment();
-
   // Shows the first screen defined by |first_screen| or by default if the
   // parameter is empty.
   void Init(OobeScreen first_screen);
 
   // Advances to screen defined by |screen| and shows it.
   void AdvanceToScreen(OobeScreen screen);
 
   // Advances to login screen. Should be used in for testing only.
   void SkipToLoginForTesting(const LoginScreenContext& context);
 
@@ skipping 324 matching lines @@
   BaseScreen* hid_screen_ = nullptr;
 
   base::WeakPtrFactory<WizardController> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(WizardController);
 };
 
 }  // namespace chromeos
 
 #endif  // CHROME_BROWSER_CHROMEOS_LOGIN_WIZARD_CONTROLLER_H_