function searchResultsCallback(error, nodeIds)
        {
            if (error) {
                console.error(error);
                callback(null);
                return;
            }
            if (nodeIds.length != 1)
                return;

            callback(this.nodeForId(nodeIds[0]));
        }
@param {?Protocol.Error} error
@param {!Array.<number>} nodeIds
@this {WebInspector.DOMModel}