Switch to standard integer types in chrome/.

chrome/test/data/nacl/nonsfi/libc_free.c

 /*
  * 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.
  */
 
 /*
  * This is a minimal NaCl program without libc. It uses NaCl's stable IRT ABI.
  */
 
+#include <stddef.h>
 #include <stdint.h>
 
 #include "native_client/src/include/elf_auxv.h"
 #include "native_client/src/untrusted/irt/irt.h"
 #include "ppapi/c/pp_errors.h"
 #include "ppapi/c/ppb_messaging.h"
 #include "ppapi/c/ppb_var.h"
 #include "ppapi/c/ppp_instance.h"
 #include "ppapi/c/ppp_messaging.h"
 #include "ppapi/nacl_irt/public/irt_ppapi.h"
@@ skipping 209 matching lines @@
   ppp_instance.DidDestroy = DidDestroy;
   ppp_instance.DidChangeView = DidChangeView;
   ppp_instance.DidChangeFocus = DidChangeFocus;
   ppp_instance.HandleDocumentLoad = HandleDocumentLoad;
   ppp_messaging.HandleMessage = HandleMessage;
 
   ppapihook.ppapi_start(&start_funcs);
 
   __libnacl_irt_basic.exit(0);
 }