Move directory creation functions to base namespace.

chrome/browser/download/download_prefs.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/download/download_prefs.h"
 
 #include <string>
 #include <vector>
 
 #include "base/bind.h"
@@ skipping 154 matching lines @@
       user_prefs::PrefRegistrySyncable::UNSYNCABLE_PREF);
   registry->RegisterFilePathPref(
       prefs::kSaveFileDefaultDirectory,
       default_download_path,
       user_prefs::PrefRegistrySyncable::UNSYNCABLE_PREF);
 
 #if defined(OS_CHROMEOS)
   // Ensure that the download directory specified in the preferences exists.
   BrowserThread::PostTask(
       BrowserThread::FILE, FROM_HERE,
-      base::Bind(base::IgnoreResult(&file_util::CreateDirectory),
+      base::Bind(base::IgnoreResult(&base::CreateDirectory),
                  default_download_path));
 #endif  // defined(OS_CHROMEOS)
 }
 
 // static
 const base::FilePath& DownloadPrefs::GetDefaultDownloadDirectory() {
   return g_default_download_directory.Get().path();
 }
 
 // static
@@ skipping 113 matching lines @@
     extensions.erase(extensions.size() - 1);
 
   profile_->GetPrefs()->SetString(prefs::kDownloadExtensionsToOpen, extensions);
 }
 
 bool DownloadPrefs::AutoOpenCompareFunctor::operator()(
     const base::FilePath::StringType& a,
     const base::FilePath::StringType& b) const {
   return base::FilePath::CompareLessIgnoreCase(a, b);
 }