Revert of Switch to standard integer types in sandbox/.

sandbox/mac/mach_message_server.cc

 // Copyright 2014 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 "sandbox/mac/mach_message_server.h"
 
 #include <bsm/libbsm.h>
 #include <servers/bootstrap.h>
-#include <stddef.h>
 
 #include <string>
 
 #include "base/logging.h"
 #include "base/mac/mach_logging.h"
 #include "base/strings/stringprintf.h"
 
 namespace sandbox {
 
 MachMessageServer::MachMessageServer(
@@ skipping 164 matching lines @@
   // forwarded message was sent from the process hosting this sandbox server,
   // destroying the message could also destroy rights held outside the scope of
   // this message server.
   if (!did_forward_message_) {
     mach_msg_destroy(request);
     mach_msg_destroy(reply);
   }
 }
 
 }  // namespace sandbox