[ticket/17135] Refactor messenger code to services [ci skip]

PHPBB3-17135

phpBB/phpbb/messenger/method/jabber.php

@@ -110,6 +110,16 @@ class jabber extends base
 			];
 	}
 
+	/**
+	 * Get messenger method id
+	 *
+	 * @return int
+	 */
+	public function get_id()
+	{
+		return NOTIFY_IM;
+	}
+
 	/**
 	 * Check if the messenger method is enabled
 	 * @return void