Move directory creation functions to base namespace.

chrome/browser/storage_monitor/storage_monitor_mac_unittest.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.
 
 #include "chrome/browser/storage_monitor/storage_monitor_mac.h"
 
 #include "base/file_util.h"
 #include "base/files/scoped_temp_dir.h"
 #include "base/mac/foundation_util.h"
 #include "base/run_loop.h"
@@ skipping 110 matching lines @@
   EXPECT_EQ(string16(), mock_storage_observer_->last_attached().name());
   EXPECT_EQ(kTestSize * 2,
             mock_storage_observer_->last_attached().total_size_in_bytes());
   EXPECT_EQ(mount_point_.value(),
             mock_storage_observer_->last_attached().location());
 }
 
 TEST_F(StorageMonitorMacTest, DCIM) {
   base::ScopedTempDir temp_dir;
   ASSERT_TRUE(temp_dir.CreateUniqueTempDir());
-  ASSERT_TRUE(file_util::CreateDirectory(
+  ASSERT_TRUE(base::CreateDirectory(
       temp_dir.path().Append(kDCIMDirectoryName)));
 
   base::FilePath mount_point = temp_dir.path();
   std::string device_id = StorageInfo::MakeDeviceId(
       StorageInfo::REMOVABLE_MASS_STORAGE_WITH_DCIM, unique_id_);
   StorageInfo info = CreateStorageInfo(device_id, "", mount_point, kTestSize);
 
   UpdateDisk(info, StorageMonitorMac::UPDATE_DEVICE_ADDED);
 
   EXPECT_EQ(1, mock_storage_observer_->attach_calls());
@@ skipping 26 matching lines @@
       base::FilePath("/non/matching/path"), &info));
 }
 
 // Test that mounting a DMG doesn't send a notification.
 TEST_F(StorageMonitorMacTest, DMG) {
   StorageInfo info = CreateStorageInfo(
       device_id_, "Disk Image", mount_point_, kTestSize);
   UpdateDisk(info, StorageMonitorMac::UPDATE_DEVICE_ADDED);
   EXPECT_EQ(0, mock_storage_observer_->attach_calls());
 }