Update mojo sdk to rev cfc99316100efdfa7d53d83f9e07f1d4d3765c21

device/serial/data_stream.mojom

 // 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.
 
-module device.serial {
+module device.serial;
 
 [Client=DataSourceClient]
 interface DataSource {
   // Initializes this DataSource with the amount of data its client will
   // buffer.
   Init(uint32 buffer_size);
 
   // Resumes sending data after it has been stopped due to an error.
   Resume();
 
@@ skipping 28 matching lines @@
 interface DataSinkClient {
   // Reports that the sink has successfully received |bytes_sent| bytes of data.
   ReportBytesSent(uint32 bytes_sent);
 
   // Reports that the sink has received |bytes_sent| bytes of data (possibly 0)
   // and encountered an error: |error|. Any OnData messages received by the
   // DataSink before the response will be discarded. The client should respond
   // when it is ready to resume sending data.
   ReportBytesSentAndError(uint32 bytes_sent, int32 error) => ();
 };
-
-}