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 af618efdb27d99859b84837a6f974504ce57d015..fe9fa42a0fdec4c5aefc07b0fc24bcbcdf76f30a 100644
--- a/media/midi/midi_manager_alsa.cc
+++ b/media/midi/midi_manager_alsa.cc
@@ -298,8 +298,8 @@ 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;