content: Use base::MessageLoop.

content/browser/geolocation/wifi_data_provider_unittest_win.cc

 // Copyright (c) 2010 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.
 
 // Most logic for the platform wifi provider is now factored into
 // WifiDataProviderCommon and covered by it's unit tests.
 
 #include "content/browser/geolocation/wifi_data_provider_win.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 namespace content {
 
 TEST(GeolocationWin32WifiDataProviderTest, CreateDestroy) {
   // WifiDataProviderCommon requires the client to have a message loop.
-  MessageLoop dummy_loop;
+  base::MessageLoop dummy_loop;
   scoped_refptr<Win32WifiDataProvider> instance(new Win32WifiDataProvider);
   instance = NULL;
   SUCCEED();
   // Can't actually call start provider on the Win32WifiDataProvider without
   // it accessing hardware and so risking making the test flaky.
 }
 
 }  // namespace content