diff -r 000000000000 -r 6474c204b198 dom/workers/test/loadEncoding_worker.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/dom/workers/test/loadEncoding_worker.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,7 @@
+/*
+  Any copyright is dedicated to the Public Domain.
+  http://creativecommons.org/publicdomain/zero/1.0/
+*/
+// Bug 484305 - Load workers as UTF-8.
+postMessage({ encoding: "KOI8-R", text: "ðÒÉ×ÅÔ" });
+postMessage({ encoding: "UTF-8", text: "Привет" });