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

chrome/browser/chromeos/drive/file_cache_unittest.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 "chrome/browser/chromeos/drive/file_cache.h"
 
 #include <string>
 #include <vector>
 
 #include "base/callback_helpers.h"
-#include "base/file_util.h"
 #include "base/files/file_enumerator.h"
+#include "base/files/file_util.h"
 #include "base/files/scoped_temp_dir.h"
 #include "base/md5.h"
 #include "base/path_service.h"
 #include "chrome/browser/chromeos/drive/drive.pb.h"
 #include "chrome/browser/chromeos/drive/fake_free_disk_space_getter.h"
 #include "chrome/browser/chromeos/drive/file_system_util.h"
 #include "chrome/browser/chromeos/drive/resource_metadata_storage.h"
 #include "chrome/browser/chromeos/drive/test_util.h"
 #include "content/public/test/test_browser_thread_bundle.h"
 #include "google_apis/drive/test_util.h"
@@ skipping 528 matching lines @@
 
   // Clear cache.
   EXPECT_TRUE(cache_->ClearAll());
 
   // Verify that the cache is removed.
   EXPECT_TRUE(base::IsDirectoryEmpty(cache_files_dir_));
 }
 
 }  // namespace internal
 }  // namespace drive