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

base/win/win_util.cc

Index: base/win/win_util.cc
diff --git a/base/win/win_util.cc b/base/win/win_util.cc
index d380821c71889ee9d9f5287040395e1bd50fbff6..a1b7f8985590dd709c89ba6cb1b579e14222e0ce 100644
--- a/base/win/win_util.cc
+++ b/base/win/win_util.cc
@@ -10,7 +10,6 @@
 #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>
@@ -497,39 +496,6 @@ bool IsEnrolledToDomain() {
   return g_domain_state == ENROLLED;
 }
 
-bool IsDeviceRegisteredWithManagement() {
-  static bool is_device_registered_with_management = []() {
-    HMODULE mdm_dll = ::LoadLibrary(L"MDMRegistration.dll");
-    if (!mdm_dll)
-      return false;
-
-    using IsDeviceRegisteredWithManagementFunction =
-        decltype(&::IsDeviceRegisteredWithManagement);
-    IsDeviceRegisteredWithManagementFunction
-        is_device_registered_with_management_function =
-            reinterpret_cast<IsDeviceRegisteredWithManagementFunction>(
-                ::GetProcAddress(mdm_dll, "IsDeviceRegisteredWithManagement"));
-    if (!is_device_registered_with_management_function)
-      return false;
-
-    BOOL is_managed = false;
-    HRESULT hr =
-        is_device_registered_with_management_function(&is_managed, 0, nullptr);
-    return SUCCEEDED(hr) && is_managed;
-  }();
-  return is_device_registered_with_management;
-}
-
-bool IsEnterpriseManaged() {
-  // TODO(rogerta): this function should really be:
-  //
-  //    return IsEnrolledToDomain() || IsDeviceRegisteredWithManagement();
-  //
-  // However, for now it is decided to collect some UMA metrics about
-  // IsDeviceRegisteredWithMdm() before changing chrome's behavior.
-  return IsEnrolledToDomain();
-}
-
 void SetDomainStateForTesting(bool state) {
   g_domain_state = state ? ENROLLED : NOT_ENROLLED;
 }