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

base/win/win_util.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 "base/win/win_util.h"
 
 #include <aclapi.h>
 #include <cfgmgr32.h>
 #include <powrprof.h>
 #include <shobjidl.h>  // Must be before propkey.
 #include <initguid.h>
 #include <inspectable.h>
+#include <mdmregistration.h>
 #include <propkey.h>
 #include <propvarutil.h>
 #include <psapi.h>
 #include <roapi.h>
 #include <sddl.h>
 #include <setupapi.h>
 #include <shellscalingapi.h>
 #include <shlwapi.h>
 #include <signal.h>
 #include <stddef.h>
@@ skipping 505 matching lines @@
   if (g_domain_state == UNKNOWN) {
     ::InterlockedCompareExchange(&g_domain_state,
                                  IsOS(OS_DOMAINMEMBER) ?
                                      ENROLLED : NOT_ENROLLED,
                                  UNKNOWN);
   }
 
   return g_domain_state == ENROLLED;
 }
 
+bool IsDeviceRegisteredWithMdm() {
+  using IsDeviceRegisteredWithManagementFunction =
+      decltype(&IsDeviceRegisteredWithManagement);
+
+  static IsDeviceRegisteredWithManagementFunction fn = nullptr;
+  if (!fn) {
+    HMODULE mdm_dll = ::LoadLibrary(L"MDMRegistration.dll");
+    fn = reinterpret_cast<IsDeviceRegisteredWithManagementFunction>(
+        ::GetProcAddress(mdm_dll, "IsDeviceRegisteredWithManagement"));
+    if (!fn) {
+      return false;
+    }
+  }
+
+  BOOL is_managed = false;
+  HRESULT hr = fn(&is_managed, 0, nullptr);
+  LOG(ERROR) << "*** rogerta: IsDeviceRegisteredWithMdm: "
+             << (bool)((hr) && is_managed);
+  return SUCCEEDED(hr) && is_managed;
+}
+
+bool IsEnterpriseUser() {
+  return IsEnrolledToDomain() || IsDeviceRegisteredWithMdm();
+}
+
 void SetDomainStateForTesting(bool state) {
   g_domain_state = state ? ENROLLED : NOT_ENROLLED;
 }
 
 bool IsUser32AndGdi32Available() {
   static base::LazyInstance<LazyIsUser32AndGdi32Available>::Leaky available =
       LAZY_INSTANCE_INITIALIZER;
   return available.Get().value();
 }
 
@@ skipping 70 matching lines @@
             awareness == PROCESS_PER_MONITOR_DPI_AWARE)
           per_monitor_dpi_aware = PerMonitorDpiAware::PER_MONITOR_DPI_AWARE;
       }
     }
   }
   return per_monitor_dpi_aware == PerMonitorDpiAware::PER_MONITOR_DPI_AWARE;
 }
 
 }  // namespace win
 }  // namespace base