messageList: Export MediaMessage

This will allow reusing it on the lock screen.

Part-of: <https://gitlab.gnome.org/GNOME/gnome-shell/-/merge_requests/3306>

diff --git a/js/ui/messageList.js b/js/ui/messageList.js
index 0dda98cdf540ff121239ec1fb295f8d504dd8888..1d2453b0a01c2abbe44fe8f165fc78104dad2791 100644 (file)
--- a/js/ui/messageList.js
+++ b/js/ui/messageList.js
@@ -770,7 +770,7 @@ class NotificationMessage extends Message {
     }
 });
 
-const MediaMessage = GObject.registerClass(
+export const MediaMessage = GObject.registerClass(
 class MediaMessage extends Message {
     constructor(player) {
         super(player.source);