Make Hands-Off Zero-Touch Enrollment compatibile with tests

chrome/browser/chromeos/login/screens/base_screen.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_SCREENS_BASE_SCREEN_H_
 #define CHROME_BROWSER_CHROMEOS_LOGIN_SCREENS_BASE_SCREEN_H_
 
 #include <string>
 
 #include "base/gtest_prod_util.h"
@@ skipping 96 matching lines @@
   // The method is called each time some key in screen context is
   // updated by JS side. Default implementation does nothing, so
   // subclasses should override it in order to observe updates in
   // screen context.
   virtual void OnContextKeyUpdated(const ::login::ScreenContext::KeyType& key);
 
   // Returns scoped context editor. The editor or it's copies should not outlive
   // current BaseScreen instance.
   ContextEditor GetContextEditor();
 
+  // Returns true if OOBE is operating under the
+  // Zero-Touch Hands-Off Enrollment Flow.
+  bool UsingHandsOffEnrollment();
+
   BaseScreenDelegate* get_base_screen_delegate() const {
     return base_screen_delegate_;
   }
 
   ::login::ScreenContext context_;
 
  private:
   FRIEND_TEST_ALL_PREFIXES(EnrollmentScreenTest, TestCancel);
   FRIEND_TEST_ALL_PREFIXES(EnrollmentScreenTest, TestSuccess);
   FRIEND_TEST_ALL_PREFIXES(AttestationAuthEnrollmentScreenTest, TestCancel);
@@ skipping 22 matching lines @@
   BaseScreenDelegate* base_screen_delegate_ = nullptr;
 
   const OobeScreen screen_id_;
 
   DISALLOW_COPY_AND_ASSIGN(BaseScreen);
 };
 
 }  // namespace chromeos
 
 #endif  // CHROME_BROWSER_CHROMEOS_LOGIN_SCREENS_BASE_SCREEN_H_