| // Copyright 2016 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. | 
 |  | 
 | // Populates onload text and clear no-op text. | 
 | window.onload = function() { | 
 |   updateOnLoadText('OnLoadText'); | 
 |   updateNoOpText(''); | 
 | }; | 
 |  | 
 | var updateOnLoadText = function(text) { | 
 |   document.getElementById('on-load').innerHTML = text; | 
 | } | 
 |  | 
 | var updateNoOpText = function(text) { | 
 |   document.getElementById('no-op').innerHTML = text; | 
 | } | 
 |  | 
 | var isOnLoadPlaceholderTextVisible = function() { | 
 |   return document.getElementById('on-load').innerHTML == 'OnLoadText'; | 
 | } | 
 |  | 
 | var isNoOpPlaceholderTextVisible = function() { | 
 |   return document.getElementById('no-op').innerHTML == 'NoOpText'; | 
 | } | 
 |  | 
 | // When a button is tapped, a 0,5s timeout begins that will call this function. | 
 | var onNoOpTimeout = function() { | 
 |   document.getElementById('no-op').innerHTML = 'NoOpText'; | 
 | } | 
 |  | 
 | // Updates |gStateParams| to hold the specified values.  These are later used as | 
 | // input parameters to history state changes. | 
 | var gStateParams = {}; | 
 | var updateStateParams = function(obj, title, url) { | 
 |   gStateParams.obj = obj; | 
 |   gStateParams.title = title; | 
 |   gStateParams.url = url; | 
 | } | 
 |  | 
 | // Clears div text so tests can verify that the reported values are the result | 
 | // of the latest executed script. | 
 | var onButtonTapped = function() { | 
 |   updateOnLoadText(''); | 
 |   updateNoOpText(''); | 
 |   setTimeout(onNoOpTimeout, 500); | 
 | } | 
 |  | 
 | var pushStateAction = function() { | 
 |   onButtonTapped(); | 
 |   window.history.pushState(gStateParams.obj, gStateParams.title, | 
 |                            gStateParams.url); | 
 | } | 
 |  | 
 | var replaceStateAction = function() { | 
 |   onButtonTapped(); | 
 |   window.history.replaceState(gStateParams.obj, gStateParams.title, | 
 |                               gStateParams.url); | 
 | } | 
 |  |