Move WriteFile and WriteFileDescriptor from file_util to base namespace.

chrome/browser/chromeos/extensions/wallpaper_private_api.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/extensions/wallpaper_private_api.h"
 
 #include <vector>
 
 #include "ash/ash_switches.h"
 #include "ash/desktop_background/desktop_background_controller.h"
@@ skipping 54 matching lines @@
 bool SaveData(int key, const std::string& file_name, const std::string& data) {
   base::FilePath data_dir;
   CHECK(PathService::Get(key, &data_dir));
   if (!base::DirectoryExists(data_dir) &&
       !base::CreateDirectory(data_dir)) {
     return false;
   }
   base::FilePath file_path = data_dir.Append(file_name);
 
   return base::PathExists(file_path) ||
-         (file_util::WriteFile(file_path, data.c_str(),
-                               data.size()) != -1);
+         (base::WriteFile(file_path, data.c_str(), data.size()) != -1);
 }
 
 // Gets |file_name| from directory with |key|. Return false if the directory can
 // not be found or failed to read file to string |data|. Note if the |file_name|
 // can not be found in the directory, return true with empty |data|. It is
 // expected that we may try to access file which did not saved yet.
 bool GetData(const base::FilePath& path, std::string* data) {
   base::FilePath data_dir = path.DirName();
   if (!base::DirectoryExists(data_dir) &&
       !base::CreateDirectory(data_dir))
@@ skipping 763 matching lines @@
                  this, file_list));
 }
 
 void WallpaperPrivateGetOfflineWallpaperListFunction::OnComplete(
     const std::vector<std::string>& file_list) {
   base::ListValue* results = new base::ListValue();
   results->AppendStrings(file_list);
   SetResult(results);
   SendResponse(true);
 }