tab creation for authentication in touchfeeds

login.js

    authorizeClick: function() {
        var url = "https://accounts.google.com/o/oauth2/auth?client_id=663702953261.apps.googleusercontent.com&redirect_uri=urn:ietf:wg:oauth:2.0:oob&scope=http://www.google.com/reader/api/0&response_type=code";
        chrome.tabs.create({url: url}, function(tab) {this.tabId = tab.id; globalTab = tab;}.bind(this));
        this.interval = window.setInterval(this.checkOAuthTitle.bind(this), 1000);
    },


    checkOAuthTitle: function() {
        chrome.tabs.get(this.tabId, function(tabInfo) {
            var match = tabInfo.title.split("=");
            if (match.length == 2) {
                this.code = match[1];
                window.clearInterval(this.interval);
                chrome.tabs.remove(this.tabId, function() {});
                this.tabId = 0;
                this.getAccessToken();
            }
        }.bind(this));
    },