diff -r 000000000000 -r 6474c204b198 dom/workers/test/relativeLoad_worker.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/dom/workers/test/relativeLoad_worker.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,27 @@
+/**
+ * Any copyright is dedicated to the Public Domain.
+ * http://creativecommons.org/publicdomain/zero/1.0/
+ */
+const importURL = "relativeLoad_import.js";
+
+onmessage = function(event) {
+  var xhr = new XMLHttpRequest();
+  xhr.open("GET", "testXHR.txt", false);
+  xhr.send(null);
+  if (xhr.status != 200 ||
+      xhr.responseText != "A noisy noise annoys an oyster.") {
+    throw "Couldn't get xhr text from where we wanted it!";
+  }
+
+  importScripts(importURL);
+  var worker = new Worker("relativeLoad_worker2.js");
+  worker.onerror = function(event) {
+    throw event.message;
+  };
+  worker.onmessage = function(event) {
+    if (event.data != workerURL) {
+      throw "Bad data!";
+    }
+    postMessage(workerURL);
+  }
+};