<!DOCTYPE html>
<html>
<head>
<script>
var popup;
function openPopup(url, name) {
popup = window.open(url, name);
}
function focusPopup(url) {
popup.focus();
}
window.addEventListener('focus', function() {
domAutomationController.send(window.name + '-got-focus');
});
window.addEventListener('blur', function() {
domAutomationController.send(window.name + '-lost-focus');
});
</script>
</head>
<body>
This page has focus and blur window events.
</body>
</html>