Move WriteFile and WriteFileDescriptor from file_util to base namespace.

chrome/browser/chromeos/drive/file_system_util.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_system_util.h"
 
 #include <string>
 
 #include "base/basictypes.h"
 #include "base/bind.h"
@@ skipping 347 matching lines @@
 
 void EmptyFileOperationCallback(FileError error) {
 }
 
 bool CreateGDocFile(const base::FilePath& file_path,
                     const GURL& url,
                     const std::string& resource_id) {
   std::string content = base::StringPrintf(
       "{\"url\": \"%s\", \"resource_id\": \"%s\"}",
       url.spec().c_str(), resource_id.c_str());
-  return file_util::WriteFile(file_path, content.data(), content.size()) ==
+  return base::WriteFile(file_path, content.data(), content.size()) ==
       static_cast<int>(content.size());
 }
 
 bool HasGDocFileExtension(const base::FilePath& file_path) {
   return google_apis::ResourceEntry::ClassifyEntryKindByFileExtension(
       file_path) &
       google_apis::ResourceEntry::KIND_OF_HOSTED_DOCUMENT;
 }
 
 GURL ReadUrlFromGDocFile(const base::FilePath& file_path) {
@@ skipping 35 matching lines @@
   const bool disable_sync_over_celluar =
       profile->GetPrefs()->GetBoolean(prefs::kDisableDriveOverCellular);
 
   if (is_connection_cellular && disable_sync_over_celluar)
     return DRIVE_CONNECTED_METERED;
   return DRIVE_CONNECTED;
 }
 
 }  // namespace util
 }  // namespace drive