Move file_util to base/files/ directory.

This updates the includes in base but leaves a forwarding header for the rest of the project for now.

R=yzshen@chromium.org

Review URL: https://codereview.chromium.org/468253002

Cr-Commit-Position: refs/heads/master@{#289360}
git-svn-id: svn://svn.chromium.org/chrome/trunk/src@289360 0039d316-1c4b-4281-b951-d872f2087c98


CrOS-Libchrome-Original-Commit: e3177dd5063e419cb181cf6a45d3ff94cb0feebd
diff --git a/base/files/file_unittest.cc b/base/files/file_unittest.cc
index de88145..6616f6a 100644
--- a/base/files/file_unittest.cc
+++ b/base/files/file_unittest.cc
@@ -2,8 +2,8 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#include "base/file_util.h"
 #include "base/files/file.h"
+#include "base/files/file_util.h"
 #include "base/files/scoped_temp_dir.h"
 #include "base/time/time.h"
 #include "testing/gtest/include/gtest/gtest.h"