Free mdm library after use.

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.
@@ skipping 15 matching lines @@
 #include <tpcshrd.h>
 #include <uiviewsettingsinterop.h>
 #include <windows.ui.viewmanagement.h>
 #include <winstring.h>
 #include <wrl/wrappers/corewrappers.h>
 
 #include <memory>
 
 #include "base/base_switches.h"
 #include "base/command_line.h"
+#include "base/files/file_path.h"
 #include "base/logging.h"
 #include "base/macros.h"
+#include "base/scoped_native_library.h"
 #include "base/strings/string_util.h"
 #include "base/strings/stringprintf.h"
 #include "base/strings/utf_string_conversions.h"
 #include "base/threading/thread_restrictions.h"
 #include "base/win/registry.h"
 #include "base/win/scoped_comptr.h"
 #include "base/win/scoped_handle.h"
 #include "base/win/scoped_propvariant.h"
 #include "base/win/windows_version.h"
 
@@ skipping 444 matching lines @@
                                  IsOS(OS_DOMAINMEMBER) ?
                                      ENROLLED : NOT_ENROLLED,
                                  UNKNOWN);
   }
 
   return g_domain_state == ENROLLED;
 }
 
 bool IsDeviceRegisteredWithManagement() {
   static bool is_device_registered_with_management = []() {
-    HMODULE mdm_dll = ::LoadLibrary(L"MDMRegistration.dll");
-    if (!mdm_dll)
+    ScopedNativeLibrary library(
+        FilePath::FromUTF8Unsafe(GetNativeLibraryName("MDMRegistration")));

[grt (UTC plus 2), 2017/03/03 09:31:35]

since this isn't cross-platform code, please simplify to:
FilePath(FILE_PATH_LITERAL("MDMRegistration.dll"))

[Roger Tawa OOO till Jul 10th, 2017/03/03 15:18:46]

Done.

+    if (!library.is_valid())
       return false;
 
     using IsDeviceRegisteredWithManagementFunction =
         decltype(&::IsDeviceRegisteredWithManagement);
     IsDeviceRegisteredWithManagementFunction
         is_device_registered_with_management_function =
             reinterpret_cast<IsDeviceRegisteredWithManagementFunction>(
-                ::GetProcAddress(mdm_dll, "IsDeviceRegisteredWithManagement"));
+                library.GetFunctionPointer("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;
 }
@@ skipping 114 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