MD History: Delete Grouped History

chrome/browser/resources/md_history/history_item.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.
 
 /**
  * @param {!Element} root
  * @param {?Element} boundary
  * @param {cr.ui.FocusRow.Delegate} delegate
  * @constructor
  * @extends {cr.ui.FocusRow}
@@ skipping 82 matching lines @@
       isCardStart: {
         type: Boolean,
         reflectToAttribute: true,
       },
 
       isCardEnd: {
         type: Boolean,
         reflectToAttribute: true,
       },
 
-      // True if the item is being displayed embedded in another element and
-      // should not manage its own borders or size.
-      embedded: {
-        type: Boolean,
-        reflectToAttribute: true,
-      },
-
       /** @type {Element} */
       lastFocused: {
         type: Object,
         notify: true,
       },
 
       ironListTabIndex: {
         type: Number,
         observer: 'ironListTabIndexChanged_',
       },
@@ skipping 243 matching lines @@
    */
   HistoryItem.searchResultsTitle = function(numberOfResults, searchTerm) {
     var resultId = numberOfResults == 1 ? 'searchResult' : 'searchResults';
     return loadTimeData.getStringF(
         'foundSearchResults', numberOfResults, loadTimeData.getString(resultId),
         searchTerm);
   };
 
   return {HistoryItem: HistoryItem};
 });