[MD History] Copy stats from the old history page.

chrome/browser/resources/md_history/list_container.js

 // Copyright 2016 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-container',
 
   properties: {
     // The path of the currently selected page.
     selectedPage_: String,
@@ skipping 85 matching lines @@
       this.getSelectedList_().unselectAllItems(count);
   },
 
   /**
    * Delete all the currently selected history items. Will prompt the user with
    * a dialog to confirm that the deletion should be performed.
    */
   deleteSelectedWithPrompt: function() {
     if (!loadTimeData.getBoolean('allowDeletingHistory'))
       return;
+
+    var browserService = md_history.BrowserService.getInstance();
+    browserService.recordAction('RemoveSelected');
+    if (this.searchTerm != '')
+      browserService.recordAction('SearchResultRemove');
     this.$.dialog.get().then(function(dialog) {
       dialog.showModal();
     });
   },
 
   /**
    * @param {HistoryRange} range
    * @private
    */
   groupedRangeChanged_: function(range, oldRange) {
@@ skipping 28 matching lines @@
           info.term == '' ? results[i].dateTimeOfDay : results[i].dateShort;
 
       if (results[i].dateRelativeDay != currentDate) {
         currentDate = results[i].dateRelativeDay;
       }
     }
   },
 
   /** @private */
   onDialogConfirmTap_: function() {
+    md_history.BrowserService.getInstance().recordAction(
+        'ConfirmRemoveSelected');
+
     this.getSelectedList_().deleteSelected();
     var dialog = assert(this.$.dialog.getIfExists());
     dialog.close();
   },
 
   /** @private */
   onDialogCancelTap_: function() {
+    md_history.BrowserService.getInstance().recordAction(
+        'CancelRemoveSelected');
+
     var dialog = assert(this.$.dialog.getIfExists());
     dialog.close();
   },
 
   /**
    * Closes the overflow menu.
    * @private
    */
   closeMenu_: function() {
     var menu = this.$.sharedMenu.getIfExists();
@@ skipping 11 matching lines @@
   toggleMenu_: function(e) {
     var target = e.detail.target;
     return this.$.sharedMenu.get().then(function(menu) {
       /** @type {CrSharedMenuElement} */(menu).toggleMenu(
         target, e.detail);
     });
   },
 
   /** @private */
   onMoreFromSiteTap_: function() {
+    md_history.BrowserService.getInstance().recordAction(
+        'EntryMenuShowMoreFromSite');
+
     var menu = assert(this.$.sharedMenu.getIfExists());
     this.fire('search-domain', {domain: menu.itemData.item.domain});
     menu.closeMenu();
   },
 
   /** @private */
   onRemoveFromHistoryTap_: function() {
+    var browserService = md_history.BrowserService.getInstance();
+    browserService.recordAction('EntryMenuRemoveFromHistory');
     var menu = assert(this.$.sharedMenu.getIfExists());
     var itemData = menu.itemData;
-    md_history.BrowserService.getInstance()
-        .deleteItems([itemData.item])
+    browserService.deleteItems([itemData.item])
         .then(function(items) {
           this.getSelectedList_().removeItemsByPath([itemData.path]);
           // This unselect-all is to reset the toolbar when deleting a selected
           // item. TODO(tsergeant): Make this automatic based on observing list
           // modifications.
           this.fire('unselect-all');
         }.bind(this));
     menu.closeMenu();
   },
 
   /**
    * @return {HTMLElement}
    * @private
    */
   getSelectedList_: function() {
     return this.$.content.selectedItem;
   },
 });