diff -r 000000000000 -r 6474c204b198 dom/workers/test/xhr_headers_server.sjs
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/dom/workers/test/xhr_headers_server.sjs	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,51 @@
+/**
+ * Any copyright is dedicated to the Public Domain.
+ * http://creativecommons.org/publicdomain/zero/1.0/
+ */
+"use strict";
+
+function handleRequest(request, response) {
+  switch (request.method) {
+    case "POST":
+      try {
+        var optionsHost = request.getHeader("options-host");
+      } catch(e) { }
+
+      if (optionsHost) {
+        setState("postHost", request.host);
+        setState("optionsHost", optionsHost);
+        return;
+      }
+      break;
+
+    case "OPTIONS":
+      if (getState("optionsHost") == request.host) {
+        try {
+          var optionsHeader =
+            request.getHeader("Access-Control-Request-Headers");
+        } catch(e) { }
+        setState("optionsHeader", "'" + optionsHeader + "'");
+      }
+      break;
+
+    case "GET":
+      response.setHeader("Cache-Control", "no-cache", false);
+      response.setHeader("Content-Type", "text/plain", false);
+
+      if (getState("postHost") == request.host) {
+        var result = getState("optionsHeader");
+        if (result) {
+          response.write("Success: expected OPTIONS request with " + result +
+                         " header");
+        } else if (getState("badGet") == 1) {
+          response.write("Error: unexpected GET request");
+        }
+      } else {
+        setState("badGet", "1");
+        response.write("Error: this response should never be seen");
+      }
+      return;
+  }
+
+  response.setStatusLine(request.httpVersion, 501, "Not Implemented");
+}