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

chrome/browser/web_applications/web_app_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.
 
 #import "chrome/browser/web_applications/web_app_mac.h"
 
 #import <Cocoa/Cocoa.h>
 #include <errno.h>
 #include <sys/xattr.h>
 
 #include "base/command_line.h"
-#include "base/file_util.h"
+#include "base/files/file_util.h"
 #include "base/files/scoped_temp_dir.h"
 #include "base/mac/foundation_util.h"
 #include "base/mac/scoped_nsobject.h"
 #include "base/path_service.h"
 #include "base/strings/sys_string_conversions.h"
 #include "base/strings/utf_string_conversions.h"
 #include "chrome/common/chrome_paths.h"
 #include "chrome/common/chrome_switches.h"
 #import "chrome/common/mac/app_mode_common.h"
 #include "grit/theme_resources.h"
@@ skipping 321 matching lines @@
               [file_handler_1 objectForKey:app_mode::kCFBundleTypeRoleKey]);
   NSArray* file_handler_1_extensions =
       [file_handler_1 objectForKey:app_mode::kCFBundleTypeExtensionsKey];
   EXPECT_TRUE([file_handler_1_extensions containsObject:@"ext2"]);
   NSArray* file_handler_1_types =
       [file_handler_1 objectForKey:app_mode::kCFBundleTypeMIMETypesKey];
   EXPECT_TRUE([file_handler_1_types containsObject:@"type2"]);
 }
 
 }  // namespace web_app