context:     canHandleContent: function(contentType, isContentPreferred, desiredContentType)    {        var docShell = this.contentWindow.docShell;        var contentListener;        try {            contentListener =                docShell.QueryInterface(Components.interfaces.nsIInterfaceRequestor).getInterface(Components.interfaces.nsIURIContentListener);        } catch (ex) {            dump(ex);        }        if (!contentListener) return false;                return contentListener.canHandleContent(contentType, isContentPreferred, desiredContentType);    },
meta: 10234	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/10234/2fb9feaadc992e3ccd442db789244b253d0427f8/browser.js/buggy/browser/base/content/browser.js