Move directory creation functions to base namespace.

chrome/browser/chromeos/login/wallpaper_manager_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 "chrome/browser/chromeos/login/wallpaper_manager.h"
 
 #include "ash/ash_resources/grit/ash_resources.h"
 #include "ash/desktop_background/desktop_background_controller.h"
 #include "ash/desktop_background/desktop_background_controller_observer.h"
 #include "ash/display/display_manager.h"
@@ skipping 85 matching lines @@
  protected:
   // Return custom wallpaper path. Create directory if not exist.
   base::FilePath GetCustomWallpaperPath(const char* sub_dir,
                                         const std::string& username_hash,
                                         const std::string& id) {
     base::FilePath wallpaper_path =
         WallpaperManager::Get()->GetCustomWallpaperPath(sub_dir,
                                                         username_hash,
                                                         id);
     if (!base::DirectoryExists(wallpaper_path.DirName()))
-      file_util::CreateDirectory(wallpaper_path.DirName());
+      base::CreateDirectory(wallpaper_path.DirName());
 
     return wallpaper_path;
   }
 
   // Logs in |username|.
   void LogIn(const std::string& username, const std::string& username_hash) {
     UserManager::Get()->UserLoggedIn(username, username_hash, false);
   }
 
   // Saves bitmap |resource_id| to disk.
@@ skipping 300 matching lines @@
 }
 
 // Test for crbug.com/270278. It simulates a browser crash and verifies if user
 // wallpaper is loaded.
 IN_PROC_BROWSER_TEST_F(WallpaperManagerBrowserTestCrashRestore,
                        RestoreWallpaper) {
   EXPECT_EQ(1, LoadedWallpapers());
 }
 
 }  // namespace chromeos