Switch to standard integer types in ppapi/.

ppapi/tests/test_udp_socket.h

 // 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.
 
 #ifndef PPAPI_TESTS_TEST_UDP_SOCKET_H_
 #define PPAPI_TESTS_TEST_UDP_SOCKET_H_
 
+#include <stddef.h>
+
 #include <string>
 
 #include "ppapi/c/pp_stdint.h"
 #include "ppapi/c/ppb_udp_socket.h"
 #include "ppapi/cpp/net_address.h"
 #include "ppapi/tests/test_case.h"
 
 namespace {
 typedef int32_t (*UDPSocketSetOption)(PP_Resource udp_socket,
                                       PP_UDPSocket_Option name,
@@ skipping 43 matching lines @@
   std::string TestParallelSend();
   std::string TestMulticast();
 
   pp::NetAddress address_;
 
   const PPB_UDPSocket_1_0* socket_interface_1_0_;
   const PPB_UDPSocket_1_1* socket_interface_1_1_;
 };
 
 #endif  // PPAPI_TESTS_TEST_UDP_SOCKET_H_