uploader-extension/popup.js

chrome.browserAction.onClicked.addListener(function (tab){
  chrome.windows.create({
    url: "uploader.html",
    width: 230,
    height: 230,
    type: "popup"
  }, function(window) {
  });
});

chrome.runtime.onMessage.addListener(function(request, sender, sendResponse) {
	var notifID = 'copied';
	if (request.success) {
		chrome.notifications.create(notifID, {
			'type': 'basic',
			'title': 'Snap.as',
			'message': 'Copied to clipboard!',
			'iconUrl': 'icon128.png',
		});
		setTimeout(function() {
			chrome.notifications.clear(notifID);
		}, 2500);
	}
});