function addLinkTooltips(elementOrDialog) {
        var $element;
        if (elementOrDialog.getElement) {
            $element = elementOrDialog.getElement().find(".dialog-message");
        } else {
            $element = elementOrDialog;
        }
        $element.find("a").each(function (index, elem) {
            var $elem = $(elem);
            var url = $elem.attr("href");
            if (url && url !== "#" && !$elem.attr("title")) {
                $elem.attr("title", url);
            }
        });
    }
Ensures that all <a> tags with a URL have a tooltip showing the same URL
@param {!jQueryObject|Dialog} elementOrDialog  Dialog intance, or root of other DOM tree to add tooltips to