Adds --enable-app-launcher command line switch

chrome/browser/resources/ntp/apps.js

 // Copyright (c) 2010 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.
 
 function getAppsCallback(data) {
   logEvent('received apps');
   var appsSection = $('apps');
   var appsSectionContent = $('apps-maxiview');
   var appsMiniview = appsSection.getElementsByClassName('miniview')[0];
   var appsPromo = $('apps-promo');
 
   appsMiniview.textContent = '';
   while (appsSectionContent.lastChild != appsPromo) {
     appsSectionContent.removeChild(appsSectionContent.lastChild);
   }
 
   data.apps.sort(function(a,b) {
     return a.app_launch_index - b.app_launch_index
   });
 
   clearClosedMenu(apps.menu);
-  if (data.apps.length == 0) {
+  if (data.apps.length == 0 && !data.showLauncher) {
     appsSection.classList.add('disabled');
     layoutSections();
   } else {
     data.apps.forEach(function(app) {
         appsSectionContent.appendChild(apps.createElement(app));
     });
 
     appsSectionContent.appendChild(apps.createWebStoreElement());
 
     data.apps.slice(0, MAX_MINIVIEW_ITEMS).forEach(function(app) {
@@ skipping 257 matching lines @@
       var elm = createElement({
         'id': 'web-store-entry',
         'name': localStrings.getString('web_store_title'),
         'launch_url': localStrings.getString('web_store_url')
       });
       elm.setAttribute('app-id', 'web-store-entry');
       return elm;
     }
   };
 })();