background.html

<script type="text/javascript" src="js/json2.js"></script>
<script type="text/javascript" src="js/jquery.min.js"></script>
<script type="text/javascript" src="js/underscore.min.js"></script>
<script type="text/javascript" src="js/backbone.min.js"></script>
<script type="text/javascript" src="js/backbone-localstorage.js"></script>
<script type="text/javascript" src="js/trac.js"></script>
<script type="text/javascript">
    // This event is fired each time the user updates the text in the omnibox,
    // as long as the extension's keyword mode is still active.
    chrome.omnibox.onInputChanged.addListener(
            function(text, suggest) {
                console.log('inputChanged: ' + text);
                suggest([
                    {content: text + " one", description: "the first one"},
                    {content: text + " number two", description: "the second entry"}
                ]);
            });

    // This event is fired with the user accepts the input in the omnibox.
    chrome.omnibox.onInputEntered.addListener(
            function(text) {
                if (text == '') {
                    chrome.tabs.create({url : 'trac.html'});
                } else {
                    if (Trac(text)) {
                        //localStorage.setItem(“trac-last-action”, text);
                        var notification = webkitNotifications.createHTMLNotification('timer.html');
                        notification.show();
                        setTimeout(function() {
                            //notification.cancel();
                        }, 3000);
                    }

                }
            });
</script>