Switch to standard integer types in mojo/.

mojo/services/network/udp_socket_apptest.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 <stddef.h>
+#include <stdint.h>
+
 #include <utility>
 
 #include "base/macros.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/run_loop.h"
 #include "mojo/application/public/cpp/application_connection.h"
 #include "mojo/application/public/cpp/application_impl.h"
 #include "mojo/application/public/cpp/application_test_base.h"
 #include "mojo/public/cpp/bindings/callback.h"
 #include "mojo/services/network/public/cpp/udp_socket_wrapper.h"
@@ skipping 627 matching lines @@
                 receive_callbacks[j].result()->code);
       EXPECT_FALSE(receive_callbacks[j].src_addr());
       EXPECT_TRUE(receive_callbacks[j].data().Equals(
           CreateTestMessage(static_cast<uint8_t>(j), kDatagramSize)));
     }
   }
 }
 
 }  // namespace service
 }  // namespace mojo