<!DOCTYPE HTML> <!-- Copied from https://bugzilla.mozilla.org/show_bug.cgi?id=744830 --> <script src="/tests/SimpleTest/SimpleTest.js"></script> <link rel="stylesheet" href="/tests/SimpleTest/test.css"> <a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=166235">Mozilla Bug 166235</a> <iframe></iframe> <script type="application/javascript"> SimpleTest.waitForExplicitFinish(); SpecialPowers.pushPrefEnv({"set": [["svg.disabled", true]]}, function() { document.querySelector('iframe').src = "file_disabled_iframe.html"; }); </script>