<!doctype html>
<html class="reftest-wait">
<title>Embedded Style: Media Queries Resize Frame</title>
<link rel="match" href="embedded_style_media_queries_resized-ref.html">
<script src="/common/reftest-wait.js"></script>
<style>iframe {width:100%; height:500px}</style>
<script>
    onload = function() {
        document.getElementById("form-iframe").style.height = "300px";
        let iframeWindow = document.querySelector('iframe').contentWindow;
        iframeWindow.requestAnimationFrame(() => {
         