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

chrome/browser/chromeos/drive/file_write_helper_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/file_write_helper.h"
 
 #include "base/bind.h"
 #include "base/message_loop.h"
 #include "base/threading/thread_restrictions.h"
 #include "chrome/browser/chromeos/drive/dummy_file_system.h"
@@ skipping 59 matching lines @@
 }  // namespace
 
 class FileWriteHelperTest : public testing::Test {
  public:
   FileWriteHelperTest()
       : ui_thread_(content::BrowserThread::UI, &message_loop_),
         test_file_system_(new TestFileSystem) {
   }
 
  protected:
-  MessageLoopForUI message_loop_;
+  base::MessageLoopForUI message_loop_;
   content::TestBrowserThread ui_thread_;
   scoped_ptr<TestFileSystem> test_file_system_;
 };
 
 TEST_F(FileWriteHelperTest, PrepareFileForWritingSuccess) {
   FileWriteHelper file_write_helper(test_file_system_.get());
   FileError error = FILE_ERROR_FAILED;
   base::FilePath path;
   // The file should successfully be opened.
   file_write_helper.PrepareWritableFileAndRun(
@@ skipping 41 matching lines @@
   file_write_helper.PrepareWritableFileAndRun(
       base::FilePath(kDrivePath),
       google_apis::test_util::CreateCopyResultCallback(&error, &path));
   google_apis::test_util::RunBlockingPoolTask();
 
   EXPECT_EQ(FILE_ERROR_IN_USE, error);
   EXPECT_TRUE(path.empty());
 }
 
 }   // namespace drive