Web MIDI: use midi_service.mojom for media::midi::Result

content/renderer/media/midi_message_filter.cc

Index: content/renderer/media/midi_message_filter.cc
diff --git a/content/renderer/media/midi_message_filter.cc b/content/renderer/media/midi_message_filter.cc
index a9810ab40a90bad9fb2f7069e351bb2fb86e3063..177ef91b230e90b2023d77bc4014bffb7c4888c3 100644
--- a/content/renderer/media/midi_message_filter.cc
+++ b/content/renderer/media/midi_message_filter.cc
@@ -202,27 +202,6 @@ void MidiMessageFilter::OnAcknowledgeSentData(size_t bytes_sent) {
 void MidiMessageFilter::HandleClientAdded(media::midi::Result result) {
   TRACE_EVENT0("midi", "MidiMessageFilter::HandleClientAdded");
   DCHECK(main_task_runner_->BelongsToCurrentThread());
-  session_result_ = result;
-  std::string error;
-  std::string message;
-  switch (result) {
-    case media::midi::Result::OK:
-      break;
-    case media::midi::Result::NOT_SUPPORTED:
-      error = "NotSupportedError";
-      break;
-    case media::midi::Result::INITIALIZATION_ERROR:
-      error = "InvalidStateError";
-      message = "Platform dependent initialization failed.";
-      break;
-    default:
-      NOTREACHED();
-      error = "InvalidStateError";
-      message = "Unknown internal error occurred.";
-      break;
-  }
-  base::string16 error16 = base::UTF8ToUTF16(error);
-  base::string16 message16 = base::UTF8ToUTF16(message);
 
   // A for-loop using iterators does not work because |client| may touch
   // |clients_waiting_session_queue_| in callbacks.
@@ -249,8 +228,7 @@ void MidiMessageFilter::HandleClientAdded(media::midi::Result result) {
             ToBlinkState(info.state));
       }
     }
-    client->didStartSession(result == media::midi::Result::OK, error16,
-                            message16);
+    client->didStartSession(result);
     clients_.insert(client);
   }
 }