diff -r 000000000000 -r 6474c204b198 dom/workers/test/csp_worker.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/dom/workers/test/csp_worker.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,16 @@
+/**
+ * Any copyright is dedicated to the Public Domain.
+ * http://creativecommons.org/publicdomain/zero/1.0/
+ */
+onmessage = function(event) {
+  if (event.data == 0) {
+    postMessage(eval('40 + 2'));
+  } else if (event.data > 0) {
+    var worker = new Worker('csp_worker.js');
+    worker.postMessage(event.data - 1);
+  } else if (event.data == -1) {
+    importScripts('data:application/javascript;base64,ZHVtcCgnaGVsbG8gd29ybGQnKQo=');
+  } else if (event.data == -2) {
+    importScripts('javascript:dump(123);');
+  }
+}