Remove the mojo serial interfaces and related infrastructure.

device/serial/data_sender.h

Index: device/serial/data_sender.h
diff --git a/device/serial/data_sender.h b/device/serial/data_sender.h
deleted file mode 100644
index 57ff0dcff334a6eb9f41fb5b847cab94046758bf..0000000000000000000000000000000000000000
--- a/device/serial/data_sender.h
+++ /dev/null
@@ -1,93 +0,0 @@
-// 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.
-
-#ifndef DEVICE_SERIAL_DATA_SENDER_H_
-#define DEVICE_SERIAL_DATA_SENDER_H_
-
-#include <stdint.h>
-
-#include <queue>
-
-#include "base/callback.h"
-#include "base/macros.h"
-#include "base/memory/linked_ptr.h"
-#include "base/strings/string_piece.h"
-#include "device/serial/buffer.h"
-#include "device/serial/data_stream.mojom.h"
-#include "mojo/public/cpp/system/data_pipe.h"
-
-namespace device {
-
-// A DataSender sends data to a DataSink.
-class DataSender {
- public:
-  typedef base::Callback<void(uint32_t bytes_sent)> DataSentCallback;
-  typedef base::Callback<void(uint32_t bytes_sent, int32_t error)>
-      SendErrorCallback;
-  typedef base::Callback<void()> CancelCallback;
-
-  // Constructs a DataSender to send data to |sink|, using a buffer size of
-  // |buffer_size|, with connection errors reported as |fatal_error_value|.
-  DataSender(mojo::InterfacePtr<serial::DataSink> sink,
-             uint32_t buffer_size,
-             int32_t fatal_error_value);
-
-  ~DataSender();
-
-  // Starts an asynchronous send of |data|. If the send completes successfully,
-  // |callback| will be called. Otherwise, |error_callback| will be called with
-  // the error. If there is a cancel in progress or there has been a connection
-  // error, this will not start a send and returns false. It is the caller's
-  // responsibility to ensure |data| remains valid until one of |callback| and
-  // |error_callback| is called.
-  bool Send(const base::StringPiece& data,
-            const DataSentCallback& callback,
-            const SendErrorCallback& error_callback);
-
-  // Requests the cancellation of any in-progress sends. Calls to Send() will
-  // fail until |callback| is called.
-  bool Cancel(int32_t error, const CancelCallback& callback);
-
- private:
-  class PendingSend;
-
-  // Invoked when a PendingSend completes.
-  void SendComplete();
-
-  // Invoked when a PendingSend fails with |error|.
-  void SendFailed(int32_t error);
-
-  // mojo error handler
-  void OnConnectionError();
-
-  // Dispatches a cancel callback if one is pending.
-  void RunCancelCallback();
-
-  // Shuts down this DataSender and dispatches fatal errors to all pending
-  // operations.
-  void ShutDown();
-
-  // The control connection to the data sink.
-  mojo::InterfacePtr<serial::DataSink> sink_;
-
-  // The error value to report in the event of a fatal error.
-  const int32_t fatal_error_value_;
-
-  // A queue of PendingSend that have been sent to |sink_|, but have not yet
-  // been acked by the DataSink.
-  std::queue<linked_ptr<PendingSend>> sends_awaiting_ack_;
-
-  // The callback to report cancel completion if a cancel operation is in
-  // progress.
-  CancelCallback pending_cancel_;
-
-  // Whether we have encountered a fatal error and shut down.
-  bool shut_down_;
-
-  DISALLOW_COPY_AND_ASSIGN(DataSender);
-};
-
-}  // namespace device
-
-#endif  // DEVICE_SERIAL_DATA_SENDER_H_