Switch to standard integer types in ppapi/.

ppapi/tests/test_tcp_socket_private.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 "ppapi/tests/test_tcp_socket_private.h"
 
+#include <stddef.h>
 #include <stdlib.h>
 
 #include <new>
 
 #include "ppapi/cpp/private/tcp_socket_private.h"
 #include "ppapi/tests/test_utils.h"
 #include "ppapi/tests/testing_instance.h"
 
 namespace {
 
@@ skipping 238 matching lines @@
     if (cb.result() < 0)
       return cb.result();
     if (cb.result() == 0)
       return PP_ERROR_FAILED;
     written += cb.result();
   }
   if (written != s.size())
     return PP_ERROR_FAILED;
   return PP_OK;
 }