Add data pipe wrappers to be used to implement serial receive.

device/serial/data_pipe.mojom

Index: device/serial/data_pipe.mojom
diff --git a/device/serial/data_pipe.mojom b/device/serial/data_pipe.mojom
new file mode 100644
index 0000000000000000000000000000000000000000..36873d34d7d8aefbe13b56f9ce1c12e1dcbd3218
--- /dev/null
+++ b/device/serial/data_pipe.mojom
@@ -0,0 +1,17 @@
+// 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 {
+
+[Client=DataPipeReceiver]
+interface DataPipeProducer {

[raymes, 2014/08/05 06:26:44]

DataStreamSender/Client

DataStreamReceiver/Client?

[Sam McNally, 2014/08/05 07:26:33]

Done with names as discussed.

+  Init(handle<data_pipe_producer> producer_handle);
+  Resume();
+};
+
+interface DataPipeReceiver {
+  OnError(uint32 bytes_since_last_error, int32 error);
+};
+
+}