diff -r 000000000000 -r 6474c204b198 content/base/test/chrome/bug421622-referer.sjs
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/content/base/test/chrome/bug421622-referer.sjs	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,8 @@
+function handleRequest(request, response) {
+  response.setHeader("Content-Type", "text/plain", false);
+  response.setHeader("Cache-Control", "no-cache", false);
+
+  var referer = request.hasHeader("Referer") ? request.getHeader("Referer")
+                                             : "";
+  response.write("Referer: " + referer);
+}