Set serial connection parameters immediately on connect.

device/serial/serial_connection_factory.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_connection_factory.h"
 
 #include "base/bind.h"
 #include "base/location.h"
 #include "device/serial/serial_connection.h"
 #include "device/serial/serial_io_handler.h"
@@ skipping 77 matching lines @@
     serial::ConnectionOptionsPtr options,
     mojo::InterfaceRequest<serial::Connection> connection_request,
     mojo::InterfaceRequest<serial::DataSink> sink,
     mojo::InterfaceRequest<serial::DataSource> source)
     : factory_(factory),
       path_(path),
       options_(options.Pass()),
       connection_request_(connection_request.Pass()),
       sink_(sink.Pass()),
       source_(source.Pass()) {
+  if (!options_) {
+    options_ = serial::ConnectionOptions::New();
+  }
+  FillDefaultConnectionOptions(options_.get());
 }
 
 void SerialConnectionFactory::ConnectTask::Run() {
   factory_->connect_message_loop_->PostTask(
       FROM_HERE,
       base::Bind(&SerialConnectionFactory::ConnectTask::Connect, this));
 }
 
 SerialConnectionFactory::ConnectTask::~ConnectTask() {
 }
 
 void SerialConnectionFactory::ConnectTask::Connect() {
   io_handler_ = factory_->io_handler_factory_.Run();
   io_handler_->Open(
-      path_,
+      path_, *options_,
       base::Bind(&SerialConnectionFactory::ConnectTask::OnConnected, this));
 }
 
 void SerialConnectionFactory::ConnectTask::OnConnected(bool success) {
   DCHECK(io_handler_.get());
-  if (!success)
+  if (!success) {
     return;
-  if (!options_)
-    options_ = serial::ConnectionOptions::New();
-  FillDefaultConnectionOptions(options_.get());
-  if (!io_handler_->ConfigurePort(*options_))
-    return;
+  }
+
   mojo::BindToRequest(
       new SerialConnection(io_handler_, sink_.Pass(), source_.Pass()),
       &connection_request_);
 }
 
 }  // namespace device