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

chrome/browser/upgrade_detector_impl.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/upgrade_detector_impl.h"
 
 #include <stdint.h>
 
 #include <memory>
 #include <string>
@@ skipping 391 matching lines @@
 
   // Don't show the bubble if we have a brand code that is NOT organic, unless
   // an outdated build is being simulated by command line switches.
   static bool simulate_outdated = SimulatingOutdated();
   if (!simulate_outdated) {
     std::string brand;
     if (google_brand::GetBrand(&brand) && !google_brand::IsOrganic(brand))
       return false;
 
 #if defined(OS_WIN)
-    // Don't show the update bubbles to enterprise users.
-    if (base::win::IsEnterpriseManaged())
+    // Don't show the update bubbles to enterprise users (i.e., on a domain).
+    if (base::win::IsEnrolledToDomain())
       return false;
 #endif
   }
 
   base::Time network_time;
   base::TimeDelta uncertainty;
   if (g_browser_process->network_time_tracker()->GetNetworkTime(&network_time,
                                                                 &uncertainty) !=
       network_time::NetworkTimeTracker::NETWORK_TIME_AVAILABLE) {
     // When network time has not been initialized yet, simply rely on the
@@ skipping 98 matching lines @@
 
 // static
 UpgradeDetectorImpl* UpgradeDetectorImpl::GetInstance() {
   return base::Singleton<UpgradeDetectorImpl>::get();
 }
 
 // static
 UpgradeDetector* UpgradeDetector::GetInstance() {
   return UpgradeDetectorImpl::GetInstance();
 }