function resolveToObject(fulfill, reject)
        {
            this.resolveToObject(objectGroup, mycallback);
            function mycallback(object)
            {
                if (object)
                    fulfill(object)
                else
                    reject(new Error());
            }
        }
@param {function(?)} fulfill
@param {function(*)} reject
@this {WebInspector.DOMNode}