[MD Extensions] Add support for URL navigation

chrome/test/data/webui/extensions/cr_extensions_browsertest.js

 // Copyright 2015 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.
 
 /** @fileoverview Runs the Polymer Settings tests. */
 
 /** @const {string} Path to source root. */
 var ROOT_PATH = '../../../../../';
 
 // Polymer BrowserTest fixture.
@@ skipping 28 matching lines @@
     'extension_test_util.js',
     'extension_detail_view_test.js',
     'extension_code_section_test.js',
     'extension_error_page_test.js',
     'extension_item_test.js',
     'extension_item_list_test.js',
     'extension_load_error_test.js',
     'extension_keyboard_shortcuts_test.js',
     'extension_options_dialog_test.js',
     'extension_pack_dialog_test.js',
+    'extension_page_state_test.js',
     'extension_service_test.js',
     'extension_shortcut_input_test.js',
     'extension_sidebar_test.js',
     'extension_toolbar_test.js',
     'extension_manager_test.js',
     '../mock_controller.js',
     '../../../../../ui/webui/resources/js/promise_resolver.js',
     '../../../../../ui/webui/resources/js/webui_resource_test.js',
   ]),
 
@@ skipping 275 matching lines @@
 });
 
 ////////////////////////////////////////////////////////////////////////////////
 // Extension Code Section Tests
 
 TEST_F('CrExtensionsBrowserTest', 'ExtensionCodeSectionLayoutTest',
        function() {
   extension_code_section_tests.registerTests();
   mocha.grep(assert(extension_code_section_tests.TestNames.Layout)).run();
 });
+
+////////////////////////////////////////////////////////////////////////////////
+// Extension Page State Tests
+
+function CrExtensionsPageStateBrowserTest() {}
+
+// extensions.PageState observes window.location. In order to test this without
+// the "real" PageState joining the party, we navigate to page_state.html
+// directly.
+CrExtensionsPageStateBrowserTest.prototype = {
+  __proto__: CrExtensionsBrowserTest.prototype,
+
+  /** @override */
+  browsePreload: 'chrome://extensions/page_state.html',
+};
+
+TEST_F('CrExtensionsPageStateBrowserTest', 'ExtensionPageStateBasicTest',
+       function() {
+  extension_page_state_tests.registerTests();
+  mocha.grep(assert(extension_page_state_tests.TestNames.Basic)).run();
+});
+
+TEST_F('CrExtensionsPageStateBrowserTest', 'ExtensionPageStateConversionTest',
+       function() {
+  extension_page_state_tests.registerTests();
+  mocha.grep(assert(extension_page_state_tests.TestNames.Conversions)).run();
+});
+
+TEST_F('CrExtensionsPageStateBrowserTest',
+       'ExtensionPageStatePushAndReplaceStateTest', function() {
+  extension_page_state_tests.registerTests();
+  mocha.grep(
+      assert(extension_page_state_tests.TestNames.PushAndReplaceState)).run();
+});