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

chrome/browser/chromeos/drive/file_system/create_directory_operation_unittest.cc

 // Copyright (c) 2013 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_system/create_directory_operation.h"
 
 #include "base/files/scoped_temp_dir.h"
 #include "base/message_loop.h"
 #include "chrome/browser/chromeos/drive/file_system_util.h"
 #include "chrome/browser/chromeos/drive/resource_metadata.h"
@@ skipping 20 matching lines @@
 
   PlatformFileInfoProto* file_info = entry.mutable_file_info();
   file_info->set_is_directory(is_directory);
 
   return entry;
 }
 
 }  // namespace
 
 TEST(CreateDirectoryOperationTest, GetExistingDeepestDirectory) {
-  MessageLoopForUI message_loop;
+  base::MessageLoopForUI message_loop;
   content::TestBrowserThread ui_thread(
       content::BrowserThread::UI, &message_loop);
 
   // Set up a Metadata instance.
   base::ScopedTempDir temp_dir;
   ASSERT_TRUE(temp_dir.CreateUniqueTempDir());
   scoped_ptr<internal::ResourceMetadata, test_util::DestroyHelperForTests>
       metadata(new internal::ResourceMetadata(
           temp_dir.path(), message_loop.message_loop_proxy()));
   FileError error = FILE_ERROR_FAILED;
@@ skipping 114 matching lines @@
   EXPECT_EQ(
       FILE_PATH_LITERAL(""),
       CreateDirectoryOperation::GetExistingDeepestDirectory(
           metadata.get(),
           base::FilePath(FILE_PATH_LITERAL("foo/bar")),
           &entry).value());
 }
 
 }  // namespace file_system
 }  // namespace drive