Move directory creation functions to base namespace.

chrome/browser/extensions/test_extension_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/extensions/test_extension_prefs.h"
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
 #include "base/file_util.h"
 #include "base/memory/scoped_ptr.h"
@@ skipping 45 matching lines @@
   mutable base::Time current_time_;
 };
 
 }  // namespace
 
 TestExtensionPrefs::TestExtensionPrefs(base::SequencedTaskRunner* task_runner)
     : task_runner_(task_runner), extensions_disabled_(false) {
   EXPECT_TRUE(temp_dir_.CreateUniqueTempDir());
   preferences_file_ = temp_dir_.path().AppendASCII("Preferences");
   extensions_dir_ = temp_dir_.path().AppendASCII("Extensions");
-  EXPECT_TRUE(file_util::CreateDirectory(extensions_dir_));
+  EXPECT_TRUE(base::CreateDirectory(extensions_dir_));
 
   ResetPrefRegistry();
   RecreateExtensionPrefs();
 }
 
 TestExtensionPrefs::~TestExtensionPrefs() {
 }
 
 PrefService* TestExtensionPrefs::pref_service() {
   return pref_service_.get();
@@ skipping 98 matching lines @@
 PrefService* TestExtensionPrefs::CreateIncognitoPrefService() const {
   return pref_service_->CreateIncognitoPrefService(
       new ExtensionPrefStore(extension_pref_value_map_.get(), true));
 }
 
 void TestExtensionPrefs::set_extensions_disabled(bool extensions_disabled) {
   extensions_disabled_ = extensions_disabled;
 }
 
 }  // namespace extensions