Adds the MostVisitedAction stat. This stat will provide a baseline to compare

chrome/browser/resources/ntp4/new_tab.js

 // Copyright (c) 2012 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 New tab page
  * This is the main code for the new tab page used by touch-enabled Chrome
  * browsers.  For now this is still a prototype.
  */
 
@@ skipping 50 matching lines @@
   /**
    * The time in milliseconds for most transitions.  This should match what's
    * in new_tab.css.  Unfortunately there's no better way to try to time
    * something to occur until after a transition has completed.
    * @type {number}
    * @const
    */
   var DEFAULT_TRANSITION_TIME = 500;
 
   /**
+   * See description for these values in ntp_stats.h.
+   * @enum {number}
+   */
+  var NtpFollowAction = {
+    CLICKED_TILE: 11,
+    CLICKED_OTHER_NTP_PANE: 12,
+    OTHER: 13
+  };
+
+  /**
    * Creates a NewTabView object. NewTabView extends PageListView with
    * new tab UI specific logics.
    * @constructor
    * @extends {PageListView}
    */
   function NewTabView() {
     var pageSwitcherStart = null;
     var pageSwitcherEnd = null;
     if (templateData.showApps) {
       pageSwitcherStart = getRequiredElement('page-switcher-start');
@@ skipping 143 matching lines @@
             return node.tagName == 'IMG' &&
                    /^data\:image\/(?:png|gif|jpe?g)/.test(value);
           },
         };
         showNotification(parseHtmlSubset(promo, tags, attrs), [], function() {
           chrome.send('closeNotificationPromo');
         }, 60000);
         chrome.send('notificationPromoViewed');
       }
 
+      cr.dispatchSimpleEvent(document, 'ntpLoaded', true, true);
       document.documentElement.classList.remove('starting-up');
     });
   }
 
   /**
    * Launches the chrome web store app with the chrome-ntp-launcher
    * source.
    * @param {Event} e The click event.
    */
   function onChromeWebStoreButtonClick(e) {
@@ skipping 357 matching lines @@
     appAdded: appAdded,
     appMoved: appMoved,
     appRemoved: appRemoved,
     appsPrefChangeCallback: appsPrefChangeCallback,
     enterRearrangeMode: enterRearrangeMode,
     getAppsCallback: getAppsCallback,
     getAppsPageIndex: getAppsPageIndex,
     getCardSlider: getCardSlider,
     onLoad: onLoad,
     leaveRearrangeMode: leaveRearrangeMode,
+    NtpFollowAction: NtpFollowAction,
     saveAppPageName: saveAppPageName,
     setAppToBeHighlighted: setAppToBeHighlighted,
     setBookmarkBarAttached: setBookmarkBarAttached,
     setForeignSessions: setForeignSessions,
     setMostVisitedPages: setMostVisitedPages,
     setSuggestionsPages: setSuggestionsPages,
     setRecentlyClosedTabs: setRecentlyClosedTabs,
     setStripeColor: setStripeColor,
     showNotification: showNotification,
     themeChanged: themeChanged,
     updateLogin: updateLogin
   };
 });
 
 document.addEventListener('DOMContentLoaded', ntp.onLoad);