New MessageController as the single place for in-memory messages

js/expiring_messages.js

@@ -1,8 +1,11 @@
-/* global _: false */
-/* global Backbone: false */
-/* global i18n: false */
-/* global moment: false */
-/* global Whisper: false */
+/* global
+  _,
+  Backbone,
+  i18n,
+  MessageController,
+  moment,
+  Whisper
+*/
 
 // eslint-disable-next-line func-names
 (function() {
@@ -18,7 +21,9 @@
       });
 
       await Promise.all(
-        messages.map(async message => {
+        messages.map(async fromDB => {
+          const message = MessageController.register(fromDB.id, fromDB);
+
           window.log.info('Message expired', {
             sentAt: message.get('sent_at'),
           });