Move directory creation functions to base namespace.

chrome/browser/sync_file_system/drive_backend_v1/api_util.cc

 // Copyright 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/sync_file_system/drive_backend_v1/api_util.h"
 
 #include <algorithm>
 #include <functional>
 #include <sstream>
 #include <string>
@@ skipping 126 matching lines @@
   std::string mime_type;
   if (extension.empty() ||
       !net::GetWellKnownMimeTypeFromExtension(extension.substr(1), &mime_type))
     return kMimeTypeOctetStream;
   return mime_type;
 }
 
 bool CreateTemporaryFile(const base::FilePath& dir_path,
                          webkit_blob::ScopedFile* temp_file) {
   base::FilePath temp_file_path;
-  const bool success = file_util::CreateDirectory(dir_path) &&
+  const bool success = base::CreateDirectory(dir_path) &&
       base::CreateTemporaryFileInDir(dir_path, &temp_file_path);
   if (!success)
     return success;
   *temp_file =
       webkit_blob::ScopedFile(temp_file_path,
                               webkit_blob::ScopedFile::DELETE_ON_SCOPE_OUT,
                               base::MessageLoopProxy::current().get());
   return success;
 }
 
@@ skipping 986 matching lines @@
 }
 
 std::string APIUtil::GetRootResourceId() const {
   if (IsDriveAPIDisabled())
     return drive_service_->GetRootResourceId();
   return root_resource_id_;
 }
 
 }  // namespace drive_backend
 }  // namespace sync_file_system