diff -r 000000000000 -r 6474c204b198 content/base/test/unit/test_xhr_standalone.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/content/base/test/unit/test_xhr_standalone.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,21 @@
+/* Any copyright is dedicated to the Public Domain.
+ * http://creativecommons.org/publicdomain/zero/1.0/
+ */
+
+// Test setting .responseType and .withCredentials is allowed
+// in non-window non-Worker context
+
+function run_test()
+{
+    var xhr = Components.classes['@mozilla.org/xmlextras/xmlhttprequest;1'].
+          createInstance(Components.interfaces.nsIXMLHttpRequest);
+    xhr.open('GET', 'data:,', false);
+    var exceptionThrown = false;
+    try {
+        xhr.responseType = '';
+        xhr.withCredentials = false;
+    } catch (e) {
+        exceptionThrown = true;
+    }
+    do_check_eq(false, exceptionThrown);
+}