Add a partial Mojo serial connection interface and implementation.

device/serial/serial_io_handler_posix.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 "device/serial/serial_io_handler_posix.h"
 
 #include <sys/ioctl.h>
 #include <termios.h>
 
 #include "base/posix/eintr_wrapper.h"
@@ skipping 104 matching lines @@
 #else
   return false;
 #endif
 }
 
 }  // namespace
 
 namespace device {
 
 // static
-scoped_refptr<SerialIoHandler> SerialIoHandler::Create() {
-  return new SerialIoHandlerPosix();
+scoped_refptr<SerialIoHandler> SerialIoHandler::Create(
+    scoped_refptr<base::MessageLoopProxy> file_thread_message_loop) {
+  return new SerialIoHandlerPosix(file_thread_message_loop);
 }
 
 void SerialIoHandlerPosix::ReadImpl() {
   DCHECK(CalledOnValidThread());
   DCHECK(pending_read_buffer());
   DCHECK(file().IsValid());
 
   EnsureWatchingReads();
 }
 
@@ skipping 12 matching lines @@
   QueueReadCompleted(0, read_cancel_reason());
 }
 
 void SerialIoHandlerPosix::CancelWriteImpl() {
   DCHECK(CalledOnValidThread());
   is_watching_writes_ = false;
   file_write_watcher_.StopWatchingFileDescriptor();
   QueueWriteCompleted(0, write_cancel_reason());
 }
 
-SerialIoHandlerPosix::SerialIoHandlerPosix()
-    : is_watching_reads_(false), is_watching_writes_(false) {
+SerialIoHandlerPosix::SerialIoHandlerPosix(
+    scoped_refptr<base::MessageLoopProxy> file_thread_message_loop)
+    : SerialIoHandler(file_thread_message_loop),
+      is_watching_reads_(false),
+      is_watching_writes_(false) {
 }
 
 SerialIoHandlerPosix::~SerialIoHandlerPosix() {
 }
 
 void SerialIoHandlerPosix::OnFileCanReadWithoutBlocking(int fd) {
   DCHECK(CalledOnValidThread());
   DCHECK_EQ(fd, file().GetPlatformFile());
 
   if (pending_read_buffer()) {
@@ skipping 228 matching lines @@
       (config.c_cflag & CSTOPB) ? serial::STOP_BITS_TWO : serial::STOP_BITS_ONE;
   info->cts_flow_control = (config.c_cflag & CRTSCTS) != 0;
   return info.Pass();
 }
 
 std::string SerialIoHandler::MaybeFixUpPortName(const std::string& port_name) {
   return port_name;
 }
 
 }  // namespace device