Move WriteFile and WriteFileDescriptor from file_util to base namespace.

chrome/browser/web_applications/web_app_mac.mm

 // 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.
 
 #import "chrome/browser/web_applications/web_app_mac.h"
 
 #import <Carbon/Carbon.h>
 #import <Cocoa/Cocoa.h>
 
 #include "apps/app_shim/app_shim_mac.h"
@@ skipping 127 matching lines @@
 
 base::FilePath GetWritableApplicationsDirectory() {
   base::FilePath path;
   if (base::mac::GetUserDirectory(NSApplicationDirectory, &path)) {
     if (!base::DirectoryExists(path)) {
       if (!base::CreateDirectory(path))
         return base::FilePath();
 
       // Create a zero-byte ".localized" file to inherit localizations from OSX
       // for folders that have special meaning.
-      file_util::WriteFile(path.Append(".localized"), NULL, 0);
+      base::WriteFile(path.Append(".localized"), NULL, 0);
     }
     return base::PathIsWritable(path) ? path : base::FilePath();
   }
   return base::FilePath();
 }
 
 // Given the path to an app bundle, return the resources directory.
 base::FilePath GetResourcesPath(const base::FilePath& app_path) {
   return app_path.Append("Contents").Append("Resources");
 }
@@ skipping 697 matching lines @@
     ShellIntegration::ShortcutInfo shortcut_info =
         BuildShortcutInfoFromBundle(*it);
     WebAppShortcutCreator shortcut_creator(it->DirName(), shortcut_info);
     shortcut_creator.DeleteShortcuts();
   }
 }
 
 }  // namespace internals
 
 }  // namespace web_app