<!DOCTYPE html> 
<html>
<body>
<div>This tests to see if a line break is incorrectly inserted when you delete the content directly following a button.</div>
<div id="container" contenteditable="true"><button>button</button> this text should be on the same line as the button</div>
<div id="result">FAIL</div>
</body>
<script>
var target = document.getElementById("container");
window.getSelection().setPosition(target, 1);
window.getSelection().modify("move", "right", "character");
document.execCommand("delete");
if (target.childNodes.length == 2)
    document.getElementById("result").innerHTML = "PASS";
if (window.testRunner)
    window.testRunner.dumpAsText();
</script> 
</html>