Bug 1118764 - Don't distribute anonymous root content in shadow DOM. r=bz
<!DOCTYPE html>
<html>
<body>
<style>
#foo {
overflow: scroll;
height: 100px;
}
</style>
<div id="foo">
Mozilla Firefox<br>
Mozilla Firefox<br>
Mozilla Firefox<br>
Mozilla Firefox<br>
Mozilla Firefox<br>
Mozilla Firefox<br>
Mozilla Firefox<br>
Mozilla Firefox<br>
Mozilla Firefox<br>
Mozilla Firefox<br>
Mozilla Firefox<br>
Mozilla Firefox<br>
Mozilla Firefox<br>
Mozilla Firefox<br>
Mozilla Firefox<br>
Mozilla Firefox<br>
Mozilla Firefox<br>
Mozilla Firefox<br>
<script>
foo.createShadowRoot().innerHTML = "<content></content>";
</script>
</body>
</html>
