MD History: Replace last usage of cr-shared-menu with cr-action-menu.

chrome/browser/resources/md_history/history_list.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.
 
 Polymer({
   is: 'history-list',
 
   behaviors: [HistoryListBehavior],
 
   properties: {
@@ skipping 10 matching lines @@
 
     // An array of history entries in reverse chronological order.
     historyData_: Array,
 
     lastFocused_: Object,
 
     querying: Boolean,
   },
 
   listeners: {
-    'scroll': 'notifyListScroll_',
     'remove-bookmark-stars': 'removeBookmarkStars_',
   },
 
   /** @override */
   attached: function() {
     // It is possible (eg, when middle clicking the reload button) for all other
     // resize events to fire before the list is attached and can be measured.
     // Adding another resize here ensures it will get sized correctly.
     /** @type {IronListElement} */ (this.$['infinite-list']).notifyResize();
     this.$['infinite-list'].scrollTarget = this;
@@ skipping 103 matching lines @@
    */
   isCardEnd_: function(item, i, length) {
     if (length == 0 || i > length - 1)
       return false;
     return i == length - 1 ||
         this.historyData_[i].dateRelativeDay !=
         this.historyData_[i + 1].dateRelativeDay;
   },
 
   /**
-   * @private
-   */
-  notifyListScroll_: function() { this.fire('history-list-scrolled'); },
-
-  /**
    * @param {number} index
    * @return {string}
    * @private
    */
   pathForItem_: function(index) { return 'historyData_.' + index; },
 });