rock500

// Copyright (c) 2014 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
(function() {
'use strict';
/**
 * T-Rex runner.
 * @param {string} outerContainerId Outer containing element id.
 * @param {Object} opt_config
 * @constructor