Move file_util to base/files/ directory.

base/files/file_util_proxy.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 "base/files/file_util_proxy.h"
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
-#include "base/file_util.h"
+#include "base/files/file_util.h"
 #include "base/location.h"
 #include "base/task_runner.h"
 #include "base/task_runner_util.h"
 
 namespace base {
 
 namespace {
 
 void CallWithTranslatedParameter(const FileUtilProxy::StatusCallback& callback,
                                  bool value) {
@@ skipping 75 matching lines @@
     const Time& last_modified_time,
     const StatusCallback& callback) {
   return base::PostTaskAndReplyWithResult(
       task_runner,
       FROM_HERE,
       Bind(&TouchFile, file_path, last_access_time, last_modified_time),
       Bind(&CallWithTranslatedParameter, callback));
 }
 
 }  // namespace base