Move file_util to base/files/ directory.

base/test/launcher/test_launcher.cc

 // Copyright 2013 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/launcher/test_launcher.h"
 
 #if defined(OS_POSIX)
 #include <fcntl.h>
 #endif
 
 #include "base/at_exit.h"
 #include "base/bind.h"
 #include "base/command_line.h"
 #include "base/environment.h"
-#include "base/file_util.h"
 #include "base/files/file_path.h"
+#include "base/files/file_util.h"
 #include "base/files/scoped_file.h"
 #include "base/format_macros.h"
 #include "base/hash.h"
 #include "base/lazy_instance.h"
 #include "base/logging.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/message_loop/message_loop.h"
 #include "base/process/kill.h"
 #include "base/process/launch.h"
 #include "base/strings/string_number_conversions.h"
@@ skipping 1070 matching lines @@
 
     g_live_processes.Get().erase(process_handle);
   }
 
   base::CloseProcessHandle(process_handle);
 
   return exit_code;
 }
 
 }  // namespace base