Move directory creation functions to base namespace.

chrome/browser/chromeos/drive/download_handler.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/download_handler.h"
 
 #include "base/bind.h"
 #include "base/file_util.h"
 #include "base/supports_user_data.h"
 #include "base/threading/sequenced_worker_pool.h"
@@ skipping 38 matching lines @@
 
 DriveUserData* GetDriveUserData(DownloadItem* download) {
   return static_cast<DriveUserData*>(download->GetUserData(&kDrivePathKey));
 }
 
 // Creates a temporary file |drive_tmp_download_path| in
 // |drive_tmp_download_dir|. Must be called on a thread that allows file
 // operations.
 base::FilePath GetDriveTempDownloadPath(
     const base::FilePath& drive_tmp_download_dir) {
-  bool created = file_util::CreateDirectory(drive_tmp_download_dir);
+  bool created = base::CreateDirectory(drive_tmp_download_dir);
   DCHECK(created) << "Can not create temp download directory at "
                   << drive_tmp_download_dir.value();
   base::FilePath drive_tmp_download_path;
   created = base::CreateTemporaryFileInDir(drive_tmp_download_dir,
                                            &drive_tmp_download_path);
   DCHECK(created) << "Temporary download file creation failed";
   return drive_tmp_download_path;
 }
 
 // Moves downloaded file to Drive.
@@ skipping 233 matching lines @@
 void DownloadHandler::UploadDownloadItem(DownloadItem* download) {
   DCHECK_EQ(DownloadItem::COMPLETE, download->GetState());
   WriteOnCacheFile(
       file_system_,
       util::ExtractDrivePath(GetTargetPath(download)),
       download->GetMimeType(),
       base::Bind(&MoveDownloadedFile, download->GetTargetFilePath()));
 }
 
 }  // namespace drive