<!DOCTYPE html>
<html>
<head>
<style>
* { display: -webkit-inline-box; }
.CLASS11 { float: right; }
</style>
<script>
if (window.testRunner)
    testRunner.dumpAsText();

window.onload = function () {
    document.designMode = 'on';
    document.execCommand('SelectAll', false)
    document.execCommand('Indent', false, false);
    document.execCommand('Indent', false, false);
    document.documentElement.innerHTML = 'Pass if not crash.';
};
</script>
</head>
<body>aaa<div class="CLASS11"></div><div>bbb</div></body>
</html>