Switch to standard integer types in mojo/.

mojo/edk/system/data_pipe_producer_dispatcher.cc

 // 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.
 
 #include "mojo/edk/system/data_pipe_producer_dispatcher.h"
 
+#include <stddef.h>
+#include <stdint.h>
+
 #include <utility>
 
 #include "base/bind.h"
 #include "base/logging.h"
 #include "base/message_loop/message_loop.h"
 #include "mojo/edk/embedder/embedder_internal.h"
 #include "mojo/edk/embedder/platform_shared_buffer.h"
 #include "mojo/edk/embedder/platform_support.h"
 #include "mojo/edk/system/configuration.h"
 #include "mojo/edk/system/data_pipe.h"
@@ skipping 381 matching lines @@
     CHECK(fds.empty());
     if (write_error)
       serialized_platform_handle_.reset();
     channel_ = nullptr;
   }
   serialized_ = true;
 }
 
 }  // namespace edk
 }  // namespace mojo