Move scoped_temp_dir from base to base/files

chrome/browser/system_monitor/removable_device_notifications_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/system_monitor/removable_device_notifications_mac.h"
 
 #include "base/file_util.h"
+#include "base/files/scoped_temp_dir.h"
 #include "base/mac/foundation_util.h"
 #include "base/message_loop.h"
-#include "base/scoped_temp_dir.h"
 #include "base/sys_string_conversions.h"
 #include "base/system_monitor/system_monitor.h"
 #include "base/test/mock_devices_changed_observer.h"
 #include "base/utf_string_conversions.h"
 #include "chrome/browser/system_monitor/media_storage_util.h"
 #include "chrome/browser/system_monitor/removable_device_constants.h"
 #include "content/public/test/test_browser_thread.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 namespace chrome {
@@ skipping 110 matching lines @@
                 OnRemovableStorageAttached(device_id_,
                                            new_display_name,
                                            mount_point_.value()));
     notifications_->UpdateDisk(
         info2, RemovableDeviceNotificationsMac::UPDATE_DEVICE_CHANGED);
     message_loop_.RunAllPending();
   }
 }
 
 TEST_F(RemovableDeviceNotificationsMacTest, DCIM) {
-  ScopedTempDir temp_dir;
+  base::ScopedTempDir temp_dir;
   ASSERT_TRUE(temp_dir.CreateUniqueTempDir());
   file_util::CreateDirectory(temp_dir.path().Append(kDCIMDirectoryName));
 
   FilePath mount_point = temp_dir.path();
   DiskInfoMac info = CreateDiskInfoMac(
       unique_id_, "", display_name_, mount_point);
   std::string device_id = MediaStorageUtil::MakeDeviceId(
       MediaStorageUtil::REMOVABLE_MASS_STORAGE_WITH_DCIM, unique_id_);
 
   {
@@ skipping 36 matching lines @@
                                          testing::_,
                                          testing::_)).Times(0);
   DiskInfoMac info = CreateDiskInfoMac(
       unique_id_, "Disk Image", display_name_, mount_point_);
   notifications_->UpdateDisk(
       info, RemovableDeviceNotificationsMac::UPDATE_DEVICE_ADDED);
   message_loop_.RunAllPending();
 }
 
 }  // namespace chrome