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<!DOCTYPE html>
<script src="/tests/SimpleTest/paint_listener.js"></script>
<script src="/tests/gfx/layers/apz/test/mochitest/apz_test_utils.js"></script>
<style>
html, body {
height: 100%;
margin: 0px;
padding: 0px;
}
</style>
<div style="width:100%;height:100%;background-color:red;"></div>
<script>
document.querySelector("div").addEventListener("click", event => {
parent.postMessage({ screenX: event.screenX,
screenY: event.screenY,
clientX: event.clientX,
clientY: event.clientY }, "*");
});
window.onload = async () => {
await promiseApzFlushedRepaints();
parent.postMessage("ready", "*");
}
</script>