Web MIDI: make MidiManagerMac notify device connections

media/midi/midi_port_info.h

Index: media/midi/midi_port_info.h
diff --git a/media/midi/midi_port_info.h b/media/midi/midi_port_info.h
index 1fe3bcaf0fc972891e3469df5135a32561265f51..f81122e7d797b9401a27e1170fbedfd238690b2b 100644
--- a/media/midi/midi_port_info.h
+++ b/media/midi/midi_port_info.h
@@ -18,7 +18,8 @@ struct MEDIA_EXPORT MidiPortInfo {
   MidiPortInfo(const std::string& in_id,
                const std::string& in_manufacturer,
                const std::string& in_name,
-               const std::string& in_version);
+               const std::string& in_version,
+               bool connected);

[Takashi Toyoshima, 2014/10/23 11:13:01]

I'd manage this information here by this name since Web MIDI API spec is now
going to expose it to JavaScript as MIDIPort.connected.

[Takashi Toyoshima, 2014/10/27 04:31:29]

There is a spec discussion, and at least this is changed to enum. For now,
connected, and disconnected are mandatory state, but opened or something may be
added.

 
   MidiPortInfo(const MidiPortInfo& info);
   ~MidiPortInfo();
@@ -27,6 +28,7 @@ struct MEDIA_EXPORT MidiPortInfo {
   std::string manufacturer;
   std::string name;
   std::string version;
+  bool connected;
 };
 
 typedef std::vector<MidiPortInfo> MidiPortInfoList;