chrome: Use base::MessageLoop. (Part 3)

chrome/browser/chromeos/drive/drive_system_service_unittest.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 "chrome/browser/chromeos/drive/drive_system_service.h"
 
 #include "base/message_loop.h"
 #include "chrome/browser/chromeos/drive/mock_drive_file_system.h"
 #include "chrome/browser/chromeos/drive/test_util.h"
 #include "chrome/browser/google_apis/dummy_drive_service.h"
@@ skipping 21 matching lines @@
   }
 
   virtual void TearDown() OVERRIDE {
     delete system_service_;
     file_system_ = NULL;
     google_apis::test_util::RunBlockingPoolTask();
     profile_.reset();
   }
 
  protected:
-  MessageLoopForUI message_loop_;
+  base::MessageLoopForUI message_loop_;
   // The order of the test threads is important, do not change the order.
   // See also content/browser/browser_thread_impl.cc.
   content::TestBrowserThread ui_thread_;
   scoped_ptr<TestingProfile> profile_;
 
   MockDriveFileSystem* file_system_;
   DriveSystemService* system_service_;
 };
 
 TEST_F(DriveSystemServiceTest, InitializeAndShutdown) {
   system_service_->Initialize();
   google_apis::test_util::RunBlockingPoolTask();
   system_service_->Shutdown();
 }
 
 }  // namespace drive