MD Bookmarks: Show toolbar overlay when multiple items are selected

chrome/test/data/webui/md_history/md_history_focus_test.js

 // Copyright 2017 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 Tests for MD History which are run as interactive ui tests.
  * Should be used for tests which care about focus.
  */
 
 var ROOT_PATH = '../../../../../';
@@ skipping 34 matching lines @@
         [createHistoryEntry('2016-03-15', 'https://google.com')];
 
     setup(function() {
       window.resultsRendered = false;
       app = replaceApp();
 
       toolbar = app.$['toolbar'];
     });
 
     test('search bar is focused on load in wide mode', function() {
-      toolbar.$['main-toolbar'].narrow_ = false;
+      toolbar.$['main-toolbar'].narrow = false;
 
       historyResult(createHistoryInfo(), []);
       return PolymerTest.flushTasks().then(() => {
         // Ensure the search bar is focused on load.
         assertTrue(
             app.$.toolbar.$['main-toolbar']
             .getSearchField()
             .isSearchFocused());
       });
     });
 
     test('search bar is not focused on load in narrow mode', function() {
-      toolbar.$['main-toolbar'].narrow_ = true;
+      toolbar.$['main-toolbar'].narrow = true;
 
       historyResult(createHistoryInfo(), []);
       return PolymerTest.flushTasks().then(() => {
         // Ensure the search bar is focused on load.
         assertFalse(
             $('history-app')
             .$.toolbar.$['main-toolbar']
             .getSearchField()
             .isSearchFocused());
       });
@@ skipping 194 matching lines @@
         // Pressing down goes to the next card.
         MockInteractions.pressAndReleaseKeyOn(focused, 40, [], 'ArrowDown');
         focused = cards[1].$['collapse-button'];
         assertEquals(focused, lastFocused);
       });
     });
   });
 
   mocha.run();
 });