Require udev for MidiManagerAlsa

media/midi/midi_manager_alsa.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 "media/midi/midi_manager_alsa.h"
 
 #include <alsa/asoundlib.h>
 #include <stdlib.h>
 #include <algorithm>
 #include <string>
@@ skipping 52 matching lines @@
 }
 
 }  // namespace
 
 MidiManagerAlsa::MidiManagerAlsa()
     : in_client_(NULL),
       out_client_(NULL),
       out_client_id_(-1),
       in_port_id_(-1),
       decoder_(NULL),
+      udev_(device::udev_new()),
       send_thread_("MidiSendThread"),
       event_thread_("MidiEventThread"),
       event_thread_shutdown_(false) {
   // Initialize decoder.
   snd_midi_event_new(0, &decoder_);
   snd_midi_event_no_status(decoder_, 1);
 }
 
 MidiManagerAlsa::~MidiManagerAlsa() {
   // Tell the event thread it will soon be time to shut down. This gives
@@ skipping 926 matching lines @@
   // Update our map.
   source_map_[AddrToInt(client_id, port_id)] = port_index;
   return true;
 }
 
 MidiManager* MidiManager::Create() {
   return new MidiManagerAlsa();
 }
 
 }  // namespace media