Created file-based test pages for window.location tests.

ios/testing/data/http_server_files/window_location.js

+// 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.
+
+// Adds event listeners and populates on-load-div.
+window.onload = function() {
+  updateOnLoadText('OnLoadText');
+};
+
+var updateOnLoadText = function(text) {
+  document.getElementById('on-load-div').innerHTML = text;
+}
+
+var isOnLoadTextVisible = function() {
+  return document.getElementById('on-load-div').innerHTML == 'OnLoadText';
+}
+
+// Updates the url-to-load div with |text|.  This value is later used by the
+// window.location calls below.
+var updateUrlToLoadText = function(text) {
+  document.getElementById('url-to-load').innerHTML = text;
+}
+
+// Returns a DOMString representing the URL used as the innerHTML of the
+// url-to-load div.
+var getUrl = function() {
+  return document.getElementById('url-to-load').innerHTML;
+}
+
+var locationAssign = function() {
+  updateOnLoadText('');
+  window.location.assign(getUrl());
+}
+
+var locationReplace = function() {
+  updateOnLoadText('');
+  window.location.replace(getUrl());
+}
+
+var locationReload = function() {
+  updateOnLoadText('');
+  window.location.reload();
+}
+
+var setLocationToDOMString = function() {
+  updateOnLoadText('');
+  window.location = getUrl();
+}
+