Web MIDI: make MidiManagerMac notify device connections

media/midi/midi_manager_alsa.cc

Index: media/midi/midi_manager_alsa.cc
diff --git a/media/midi/midi_manager_alsa.cc b/media/midi/midi_manager_alsa.cc
index 492573b13de4c42fe3d679dc3bad521d1b42af5d..17b32f5b2f1fd6bf9b48f48253168a579cdad85f 100644
--- a/media/midi/midi_manager_alsa.cc
+++ b/media/midi/midi_manager_alsa.cc
@@ -252,7 +252,9 @@ void MidiManagerAlsa::StartInitialization() {
             VLOG(1) << "snd_seq_subscribe_port fails: " << snd_strerror(err);
           } else {
             source_map_[AddrToInt(sender)] = current_input++;
-            AddInputPort(MidiPortInfo(id, manufacturer, name, version));
+            const bool connected = trie;

[yhirano, 2014/10/24 03:30:08]

true

[Takashi Toyoshima, 2015/02/17 17:10:37]

Done.

+            AddInputPort(
+                MidiPortInfo(id, manufacturer, name, version, connected));
           }
         }
         if ((caps & kRequiredOutputPortCaps) == kRequiredOutputPortCaps) {
@@ -286,7 +288,9 @@ void MidiManagerAlsa::StartInitialization() {
             snd_midi_event_new(kSendBufferSize, &encoder);
             encoders_.push_back(encoder);
             out_ports_.push_back(out_port);
-            AddOutputPort(MidiPortInfo(id, manufacturer, name, version));
+            const bool connected = true;
+            AddOutputPort(
+                MidiPortInfo(id, manufacturer, name, version, connected));
           }
         }
       }