Make Hands-Off Zero-Touch Enrollment compatibile with tests

chrome/browser/chromeos/login/screens/base_screen.cc

 // Copyright (c) 2011 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/screens/base_screen.h"
 
 #include "base/logging.h"
 #include "chrome/browser/chromeos/login/screens/base_screen_delegate.h"
 #include "chrome/browser/chromeos/login/screens/model_view_channel.h"
+#include "chrome/browser/chromeos/policy/device_cloud_policy_manager_chromeos.h"
 
 namespace chromeos {
 
 BaseScreen::ContextEditor::ContextEditor(BaseScreen& screen)
     : screen_(screen), context_(screen.context_) {
 }
 
 BaseScreen::ContextEditor::~ContextEditor() {
   screen_.CommitContextChanges();
 }
@@ skipping 98 matching lines @@
   return ContextEditor(*this);
 }
 
 void BaseScreen::OnContextChanged(const base::DictionaryValue& diff) {
   std::vector<::login::ScreenContext::KeyType> keys;
   context_.ApplyChanges(diff, &keys);
   for (const auto& key : keys)
     OnContextKeyUpdated(key);
 }
 
+bool BaseScreen::UsingHandsOffEnrollment() {

[xiyuan, 2017/05/09 22:03:52]

This does not feel belong here. Can we put it somewhere else? Maybe in
startup_utils ? or a static method of WizardController ?

[kumarniranjan, 2017/05/09 22:49:47]

Done.

+  return policy::DeviceCloudPolicyManagerChromeOS::
+             GetZeroTouchEnrollmentMode() ==
+         policy::ZeroTouchEnrollmentMode::HANDS_OFF;
+}
+
 }  // namespace chromeos