Remove the app launcher promo 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 4
  * This is the main code for a previous version of the Chrome NTP ("NTP4").
  * Some parts of this are still used for the chrome://apps page.
  */
 
@@ skipping 61 matching lines @@
 
   // TODO(dbeam): NewTabView is now the only extender of PageListView; these
   // classes should be merged.
   NewTabView.prototype = {__proto__: ntp.PageListView.prototype};
 
   /**
    * Invoked at startup once the DOM is available to initialize the app.
    */
   function onLoad() {
     sectionsToWaitFor = 0;
-    if (loadTimeData.getBoolean('showApps')) {
+    if (loadTimeData.getBoolean('showApps'))
       sectionsToWaitFor++;
-      if (loadTimeData.getBoolean('showAppLauncherPromo')) {
-        $('app-launcher-promo-close-button').addEventListener('click',
-            function() { chrome.send('stopShowingAppLauncherPromo'); });
-        $('apps-promo-learn-more').addEventListener('click',
-            function() { chrome.send('onLearnMore'); });
-      }
-    }
+
     measureNavDots();
 
     // Load the current theme colors.
     themeChanged();
 
     newTabView = new NewTabView();
 
     if (!loadTimeData.getBoolean('showWebStoreIcon')) {
       var webStoreIcon = $('chrome-web-store-link');
       // Not all versions of the NTP have a footer, so this may not exist.
@@ skipping 345 matching lines @@
     setBookmarkBarAttached: setBookmarkBarAttached,
     setFaviconDominantColor: setFaviconDominantColor,
     themeChanged: themeChanged,
     updateLogin: updateLogin
   };
 });
 
 document.addEventListener('DOMContentLoaded', ntp.onLoad);
 
 var toCssPx = cr.ui.toCssPx;