Move file_util to base/files/ directory.

base/test/test_suite.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/test/test_suite.h"
 
 #include "base/at_exit.h"
 #include "base/base_paths.h"
 #include "base/base_switches.h"
 #include "base/bind.h"
 #include "base/command_line.h"
 #include "base/debug/debugger.h"
 #include "base/debug/stack_trace.h"
-#include "base/file_util.h"
 #include "base/files/file_path.h"
+#include "base/files/file_util.h"
 #include "base/i18n/icu_util.h"
 #include "base/logging.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/path_service.h"
 #include "base/process/memory.h"
 #include "base/test/gtest_xml_util.h"
 #include "base/test/launcher/unit_test_launcher.h"
 #include "base/test/multiprocess_test.h"
 #include "base/test/test_switches.h"
 #include "base/test/test_timeouts.h"
@@ skipping 302 matching lines @@
   ResetCommandLine();
 #if !defined(OS_IOS)
   AddTestLauncherResultPrinter();
 #endif  // !defined(OS_IOS)
 
   TestTimeouts::Initialize();
 }
 
 void TestSuite::Shutdown() {
 }