Fix crash with MIDI send for MidiManagerAlsa

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 7f213730cec96efc2573c8000ffd3ae70d671dfe..ad802c5a062711400d87337198174ac6b5453f79 100644
--- a/media/midi/midi_manager_alsa.cc
+++ b/media/midi/midi_manager_alsa.cc
@@ -299,8 +299,8 @@ void MidiManagerAlsa::DispatchSendMidiData(MidiManagerClient* client,
 
   // Acknowledge send.
   send_thread_.message_loop()->PostTask(
-      FROM_HERE, base::Bind(&MidiManagerClient::AccumulateMidiBytesSent,
-                            base::Unretained(client), data.size()));
+      FROM_HERE, base::Bind(&MidiManagerAlsa::AccumulateMidiBytesSent,
+                            base::Unretained(this), client, data.size()));
 }
 
 MidiManagerAlsa::MidiPort::Id::Id() = default;