Change mojo enums to be scoped enums in the generated C++ bindings.

device/serial/serial_connection.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.h"
 
 #include <utility>
 
 #include "base/bind.h"
 #include "device/serial/buffer.h"
@@ skipping 17 matching lines @@
       base::Bind(base::DoNothing));
   sender_ = new DataSourceSender(
       std::move(source), std::move(source_client),
       base::Bind(&SerialConnection::OnReceivePipeReady, base::Unretained(this)),
       base::Bind(base::DoNothing));
 }
 
 SerialConnection::~SerialConnection() {
   receiver_->ShutDown();
   sender_->ShutDown();
-  io_handler_->CancelRead(serial::RECEIVE_ERROR_DISCONNECTED);
-  io_handler_->CancelWrite(serial::SEND_ERROR_DISCONNECTED);
+  io_handler_->CancelRead(serial::ReceiveError::DISCONNECTED);
+  io_handler_->CancelWrite(serial::SendError::DISCONNECTED);
 }
 
 void SerialConnection::GetInfo(
     const mojo::Callback<void(serial::ConnectionInfoPtr)>& callback) {
   callback.Run(io_handler_->GetPortInfo());
 }
 
 void SerialConnection::SetOptions(serial::ConnectionOptionsPtr options,
                                   const mojo::Callback<void(bool)>& callback) {
   callback.Run(io_handler_->ConfigurePort(*options));
-  io_handler_->CancelRead(device::serial::RECEIVE_ERROR_NONE);
+  io_handler_->CancelRead(device::serial::ReceiveError::NONE);
 }
 
 void SerialConnection::SetControlSignals(
     serial::HostControlSignalsPtr signals,
     const mojo::Callback<void(bool)>& callback) {
   callback.Run(io_handler_->SetControlSignals(*signals));
 }
 
 void SerialConnection::GetControlSignals(
     const mojo::Callback<void(serial::DeviceControlSignalsPtr)>& callback) {
@@ skipping 10 matching lines @@
 
 void SerialConnection::OnSendPipeReady(scoped_ptr<ReadOnlyBuffer> buffer) {
   io_handler_->Write(std::move(buffer));
 }
 
 void SerialConnection::OnReceivePipeReady(scoped_ptr<WritableBuffer> buffer) {
   io_handler_->Read(std::move(buffer));
 }
 
 }  // namespace device