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

chrome/browser/upgrade_detector_impl.cc

Index: chrome/browser/upgrade_detector_impl.cc
diff --git a/chrome/browser/upgrade_detector_impl.cc b/chrome/browser/upgrade_detector_impl.cc
index 1d85b7dd30edb67c93a824d2f3d85532026a71e8..4b7756595ac8ddb5f88d9f5124a595e3c69efc29 100644
--- a/chrome/browser/upgrade_detector_impl.cc
+++ b/chrome/browser/upgrade_detector_impl.cc
@@ -409,8 +409,8 @@ bool UpgradeDetectorImpl::DetectOutdatedInstall() {
       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
   }