aura: Remove apps from NTP4 and disable NTP4 intro bubble.

chrome/browser/resources/ntp4/page_list_view.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 PageListView implementation.
  * PageListView manages page list, dot list, switcher buttons and handles apps
  * pages callbacks from backend.
  *
  * Note that you need to have AppLauncherHandler in your WebUI to use this code.
@@ skipping 135 matching lines @@
       if (this.pageSwitcherStart)
         ntp.initializePageSwitcher(this.pageSwitcherStart);
 
       this.pageSwitcherEnd = opt_pageSwitcherEnd;
       if (this.pageSwitcherEnd)
         ntp.initializePageSwitcher(this.pageSwitcherEnd);
 
       this.shownPage = templateData.shown_page_type;
       this.shownPageIndex = templateData.shown_page_index;
 
-      // Request data on the apps so we can fill them in.
-      // Note that this is kicked off asynchronously.  'getAppsCallback' will be
-      // invoked at some point after this function returns.
-      chrome.send('getApps');
+      if (templateData.showAppsPage) {
+        // Request data on the apps so we can fill them in.
+        // Note that this is kicked off asynchronously.  'getAppsCallback' will
+        // be invoked at some point after this function returns.
+        chrome.send('getApps');
+      } else {
+        // No apps page.
+        if (this.shownPage == templateData['apps_page_id']) {
+          this.shownPage = templateData['most_visited_page_id'];
+          this.shownPageIndex = 0;
+        }
+
+        // Mark section ready asynchronously soon after.
+        window.setTimeout(this.markSectionReady_.bind(this), 0);
+      }
 
       document.addEventListener('keydown', this.onDocKeyDown_.bind(this));
       // Prevent touch events from triggering any sort of native scrolling
       document.addEventListener('touchmove', function(e) {
         e.preventDefault();
       }, true);
 
       this.tilePages = this.pageList.getElementsByClassName('tile-page');
       this.appsPages = this.pageList.getElementsByClassName('apps-page');
 
@@ skipping 189 matching lines @@
         if (app.id == this.highlightAppId)
           highlightApp = app;
         else
           this.appsPages[pageIndex].appendApp(app, false);
       }
 
       ntp.AppsPage.setPromo(data.showPromo ? data : null);
 
       this.cardSlider.currentCard = prevCurrentCard;
 
-      // Tell the slider about the pages.
-      this.updateSliderCards();
-
       if (highlightApp)
         this.appAdded(highlightApp, true);
 
+      logEvent('apps.layout: ' + (Date.now() - startTime));
+
+      this.markSectionReady_();
+    },
+
+    /**
+     * Marks section ready.
+     * @private
+     */
+   markSectionReady_: function() {
+      // Tell the slider about the pages.
+      this.updateSliderCards();
       // Mark the current page.
       this.cardSlider.currentCardValue.navigationDot.classList.add('selected');
-      logEvent('apps.layout: ' + (Date.now() - startTime));
 
       document.documentElement.classList.remove('starting-up');
-
       cr.dispatchSimpleEvent(document, 'sectionready', true, true);
     },
 
     /**
      * Called by chrome when a new app has been added to chrome or has been
      * enabled if previously disabled.
      * @param {Object} appData A data structure full of relevant information for
      *     the app.
      */
     appAdded: function(appData, opt_highlight) {
@@ skipping 298 matching lines @@
       if (page.navigationDot)
         page.navigationDot.remove(opt_animate);
       this.cardSlider.removeCard(page);
     },
   };
 
   return {
     PageListView: PageListView
   };
 });