Start axing NTP4 dead code.

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 132 matching lines @@
 
     // Load the current theme colors.
     themeChanged();
 
     newTabView = new NewTabView();
 
     notificationContainer = getRequiredElement('notification-container');
     notificationContainer.addEventListener(
         'webkitTransitionEnd', onNotificationTransitionEnd);
 
-    if (loadTimeData.getBoolean('showRecentlyClosed')) {
-      cr.ui.decorate(getRequiredElement('recently-closed-menu-button'),
-          ntp.RecentMenuButton);
-      chrome.send('getRecentlyClosedTabs');
-    } else {
-      $('recently-closed-menu-button').hidden = true;
-    }
-
     if (loadTimeData.getBoolean('showOtherSessionsMenu')) {
       otherSessionsButton = /** @type {!ntp.OtherSessionsMenuButton} */(
           getRequiredElement('other-sessions-menu-button'));
       cr.ui.decorate(otherSessionsButton, ntp.OtherSessionsMenuButton);
       otherSessionsButton.initialize(loadTimeData.getBoolean('isUserSignedIn'));
     } else {
       getRequiredElement('other-sessions-menu-button').hidden = true;
     }
 
     if (loadTimeData.getBoolean('showMostvisited')) {
@@ skipping 368 matching lines @@
   /**
    * When done fading out, set hidden to true so the notification can't be
    * tabbed to or clicked.
    * @param {Event} e The webkitTransitionEnd event.
    */
   function onNotificationTransitionEnd(e) {
     if (notificationContainer.classList.contains('inactive'))
       notificationContainer.hidden = true;
   }
 
-  function setRecentlyClosedTabs(dataItems) {
-    $('recently-closed-menu-button').dataItems = dataItems;
-    layoutFooter();
-  }
-
   /**
    * @param {Array<PageData>} data
    * @param {boolean} hasBlacklistedUrls
    */
   function setMostVisitedPages(data, hasBlacklistedUrls) {
     newTabView.mostVisitedPage.data = data;
     cr.dispatchSimpleEvent(document, 'sectionready', true, true);
   }
 
   function setSuggestionsPages(data, hasBlacklistedUrls) {
@@ skipping 202 matching lines @@
     onLoad: onLoad,
     leaveRearrangeMode: leaveRearrangeMode,
     logTimeToClick: logTimeToClick,
     NtpFollowAction: NtpFollowAction,
     saveAppPageName: saveAppPageName,
     setAppToBeHighlighted: setAppToBeHighlighted,
     setBookmarkBarAttached: setBookmarkBarAttached,
     setForeignSessions: setForeignSessions,
     setMostVisitedPages: setMostVisitedPages,
     setSuggestionsPages: setSuggestionsPages,
-    setRecentlyClosedTabs: setRecentlyClosedTabs,
     setFaviconDominantColor: setFaviconDominantColor,
     showNotification: showNotification,
     themeChanged: themeChanged,
     updateLogin: updateLogin
   };
 });
 
 document.addEventListener('DOMContentLoaded', ntp.onLoad);
 
 var toCssPx = cr.ui.toCssPx;