Move directory creation functions to base namespace.

chrome/browser/prefs/pref_service_browsertest.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 <string>
 
 #include "base/command_line.h"
 #include "base/file_util.h"
 #include "base/files/scoped_temp_dir.h"
 #include "base/json/json_file_value_serializer.h"
@@ skipping 56 matching lines @@
 
     base::FilePath reference_pref_file;
     if (new_profile_) {
       reference_pref_file = ui_test_utils::GetTestFilePath(
           base::FilePath().AppendASCII("profiles").
                      AppendASCII("window_placement").
                      AppendASCII("Default"),
           base::FilePath().Append(chrome::kPreferencesFilename));
       tmp_pref_file_ =
           user_data_directory.AppendASCII(TestingProfile::kTestUserProfileDir);
-      CHECK(file_util::CreateDirectory(tmp_pref_file_));
+      CHECK(base::CreateDirectory(tmp_pref_file_));
       tmp_pref_file_ = tmp_pref_file_.Append(chrome::kPreferencesFilename);
     } else {
       reference_pref_file = ui_test_utils::GetTestFilePath(
           base::FilePath().AppendASCII("profiles").
                      AppendASCII("window_placement"),
           base::FilePath().Append(chrome::kLocalStateFilename));
       tmp_pref_file_ = user_data_directory.Append(chrome::kLocalStateFilename);
     }
 
     CHECK(base::PathExists(reference_pref_file));
@@ skipping 137 matching lines @@
   EXPECT_EQ(right, bounds.x() + bounds.width());
 
   // Find if launched window is maximized.
   bool is_window_maximized = browser()->window()->IsMaximized();
   bool is_maximized = false;
   EXPECT_TRUE(root_dict->GetBoolean(kBrowserWindowPlacement + ".maximized",
       &is_maximized));
   EXPECT_EQ(is_maximized, is_window_maximized);
 }
 #endif