Revert "Use the Windows MDM API to check if the machine is being managed."

components/update_client/updater_state_win.cc

 // Copyright 2016 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 "components/update_client/updater_state.h"
 
 #include <string>
 #include <utility>
 
 #include "base/memory/ptr_util.h"
@@ skipping 115 matching lines @@
 
   // Try to read default override.
   if (policy_key.ReadValueDW(kUpdatePolicyValue, &value) == ERROR_SUCCESS &&
       value <= kMaxUpdatePolicyValue) {
     return value;
   }
 
   return -1;
 }
 
-bool UpdaterState::IsEnterpriseManaged() {
-  return base::win::IsEnterpriseManaged();
+bool UpdaterState::IsJoinedToDomain() {
+  return base::win::IsEnrolledToDomain();
 }
 
 }  // namespace update_client