wbamberg/gist:9497337

## gistfile1.txt
var { Frame } = require("sdk/ui/frame");
var { Toolbar } = require("sdk/ui/toolbar");

/*
<head>
</head>
<body>
<input id="button" type="button" value="click me">

<script type="text/javascript">

var button = window.document.getElementById("button");
button.addEventListener("click", function() {
  console.log("blah");
});

</script>
</body>
*/
let datauri = "data:text/html;charset=utf-8;base64,PGhlYWQ+DQo8L2hlYWQ+DQo" +
              "8Ym9keT4NCjxpbnB1dCBpZD0iYnV0dG9uIiB0eXBlPSJidXR0b24iIHZhbH" +
              "VlPSJjbGljayBtZSI+DQoNCjxzY3JpcHQgdHlwZT0idGV4dC9qYXZhc2Nya" +
              "XB0Ij4NCg0KdmFyIGJ1dHRvbiA9IHdpbmRvdy5kb2N1bWVudC5nZXRFbGVt" +
              "ZW50QnlJZCgiYnV0dG9uIik7DQpidXR0b24uYWRkRXZlbnRMaXN0ZW5lcig" +
              "iY2xpY2siLCBmdW5jdGlvbigpIHsNCiAgY29uc29sZS5sb2coImJsYWgiKT" +
              "sNCn0pOw0KDQo8L3NjcmlwdD4NCjwvYm9keT4=";

var frame = new Frame({
  url: datauri
});

const toolbar = Toolbar({
  id: "test",
  title: "test",
  items: [frame]
});
	var { Frame } = require("sdk/ui/frame");
	var { Toolbar } = require("sdk/ui/toolbar");

	/*
	<head>
	</head>
	<body>
	<input id="button" type="button" value="click me">

	<script type="text/javascript">

	var button = window.document.getElementById("button");
	button.addEventListener("click", function() {
	console.log("blah");
	});

	</script>
	</body>
	*/
	let datauri = "data:text/html;charset=utf-8;base64,PGhlYWQ+DQo8L2hlYWQ+DQo" +
	"8Ym9keT4NCjxpbnB1dCBpZD0iYnV0dG9uIiB0eXBlPSJidXR0b24iIHZhbH" +
	"VlPSJjbGljayBtZSI+DQoNCjxzY3JpcHQgdHlwZT0idGV4dC9qYXZhc2Nya" +
	"XB0Ij4NCg0KdmFyIGJ1dHRvbiA9IHdpbmRvdy5kb2N1bWVudC5nZXRFbGVt" +
	"ZW50QnlJZCgiYnV0dG9uIik7DQpidXR0b24uYWRkRXZlbnRMaXN0ZW5lcig" +
	"iY2xpY2siLCBmdW5jdGlvbigpIHsNCiAgY29uc29sZS5sb2coImJsYWgiKT" +
	"sNCn0pOw0KDQo8L3NjcmlwdD4NCjwvYm9keT4=";

	var frame = new Frame({
	url: datauri
	});

	const toolbar = Toolbar({
	id: "test",
	title: "test",
	items: [frame]
	});