[MD History] Implement grouped history UI.

chrome/test/data/webui/md_history/md_history_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 Test suite for the Material Design history page.
  */
 
 var ROOT_PATH = '../../../../../';
 
@@ skipping 11 matching lines @@
 
   commandLineSwitches: [{switchName: 'enable-features',
                          switchValue: 'MaterialDesignHistory'}],
 
   /** @override */
   runAccessibilityChecks: false,
 
   extraLibraries: PolymerTest.getLibraries(ROOT_PATH).concat([
     'test_util.js',
     'browser_service_test.js',
+    'history_grouped_list_test.js',
     'history_item_test.js',
     'history_list_test.js',
     'history_overflow_menu_test.js',
     'history_supervised_user_test.js',
     'history_synced_tabs_test.js',
     'history_toolbar_test.js'
   ]),
 
   /** @override */
   setUp: function() {
     PolymerTest.prototype.setUp.call(this);
 
     suiteSetup(function() {
       // Wait for the top-level app element to be upgraded.
-      return waitForUpgrade($('history-app'));
+      return waitForUpgrade($('history-app')).then(function() {
+        $('history-app').queryingDisabled_ = true;
+      });
     });
   },
 };
 
 TEST_F('MaterialHistoryBrowserTest', 'BrowserServiceTest', function() {
   md_history.browser_service_test.registerTests();
   mocha.run();
 });
 
+TEST_F('MaterialHistoryBrowserTest', 'HistoryGroupedListTest', function() {
+  md_history.history_grouped_list_test.registerTests();
+  mocha.run();
+});
+
 TEST_F('MaterialHistoryBrowserTest', 'HistoryItemTest', function() {
   md_history.history_item_test.registerTests();
   mocha.run();
 });
 
 TEST_F('MaterialHistoryBrowserTest', 'HistoryListTest', function() {
   md_history.history_list_test.registerTests();
   mocha.run();
 });
 
@@ skipping 22 matching lines @@
   testGenPreamble: function() {
     GEN('  SetDeleteAllowed(false);');
   }
 };
 
 TEST_F('MaterialHistoryDeletionDisabledTest', 'HistorySupervisedUserTest',
     function() {
   md_history.history_supervised_user_test.registerTests();
   mocha.run();
 });