Change base/file_utils.h includes to base/files/file_utils.h in chrome/

chrome/browser/chromeos/file_manager/file_manager_browsertest.cc

 // Copyright (c) 2013 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.
 
 // Browser test for basic Chrome OS file manager functionality:
 //  - The file list is updated when a file is added externally to the Downloads
 //    folder.
 //  - Selecting a file and copy-pasting it with the keyboard copies the file.
 //  - Selecting a file and pressing delete deletes it.
 
 #include <deque>
 #include <string>
 
 #include "apps/app_window.h"
 #include "apps/app_window_registry.h"
 #include "base/bind.h"
-#include "base/file_util.h"
 #include "base/files/file_path.h"
+#include "base/files/file_util.h"
 #include "base/json/json_reader.h"
 #include "base/json/json_value_converter.h"
 #include "base/json/json_writer.h"
 #include "base/prefs/pref_service.h"
 #include "base/strings/string_piece.h"
 #include "base/strings/utf_string_conversions.h"
 #include "base/time/time.h"
 #include "chrome/browser/chromeos/drive/drive_integration_service.h"
 #include "chrome/browser/chromeos/drive/file_system_interface.h"
 #include "chrome/browser/chromeos/file_manager/app_id.h"
@@ skipping 1488 matching lines @@
 }
 
 IN_PROC_BROWSER_TEST_F(VideoPlayerBrowserTest, OpenSingleVideoOnDrive) {
   AddScript("video_player/open_video_files.js");
   set_test_case_name("openSingleVideoOnDrive");
   StartTest();
 }
 
 }  // namespace
 }  // namespace file_manager