MD History: Delete button in the toolbar allows deletion of multiple history-items.

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 = '../../../../../';
 
 GEN_INCLUDE(
     [ROOT_PATH + 'chrome/test/data/webui/polymer_browser_test_base.js']);
+GEN('#include "base/command_line.h"');
+GEN('#include "chrome/test/data/webui/history_ui_browsertest.h"');
 
 function MaterialHistoryBrowserTest() {}
 
 MaterialHistoryBrowserTest.prototype = {
   __proto__: PolymerTest.prototype,
 
   browsePreload: 'chrome://history',
 
   commandLineSwitches: [{switchName: 'enable-md-history'}],
 
   extraLibraries: PolymerTest.getLibraries(ROOT_PATH).concat([
     'test_util.js',
     'history_card_manager_test.js',
     'history_card_test.js',
     'history_overflow_menu_test.js',
+    'history_supervised_user_test.js',
     'history_toolbar_test.js'
   ])
 };
 
 TEST_F('MaterialHistoryBrowserTest', 'HistoryCardTest', function() {
   md_history.history_card_test.registerTests();
   mocha.run();
 });
 
 TEST_F('MaterialHistoryBrowserTest', 'HistoryCardManagerTest', function() {
   md_history.history_card_manager_test.registerTests();
   mocha.run();
 });
 
 TEST_F('MaterialHistoryBrowserTest', 'HistoryToolbarTest', function() {
   md_history.history_toolbar_test.registerTests();
   mocha.run();
 });
 
 TEST_F('MaterialHistoryBrowserTest', 'HistoryOverflowMenuTest', function() {
   md_history.history_overflow_menu_test.registerTests();
   mocha.run();
 });
+
+function MaterialHistoryDeletionDisabledTest() {}
+
+MaterialHistoryDeletionDisabledTest.prototype = {
+  __proto__: MaterialHistoryBrowserTest.prototype,
+
+  typedefCppFixture: 'HistoryUIBrowserTest',
+
+  testGenPreamble: function() {
+    GEN('  SetDeleteAllowed(false);');
+  }
+};
+
+TEST_F('MaterialHistoryDeletionDisabledTest', 'HistorySupervisedUserTest',
+    function() {
+  md_history.history_supervised_user_test.registerTests();
+  mocha.run();
+});