Remove the app launcher promo code

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 389 matching lines @@
       logEvent('apps.layout: ' + (Date.now() - startTime));
 
       // Tell the slider about the pages and mark the current page.
       this.updateSliderCards();
       this.cardSlider.currentCardValue.navigationDot.classList.add('selected');
 
       if (!this.appsLoaded_) {
         this.appsLoaded_ = true;
         cr.dispatchSimpleEvent(document, 'sectionready', true, true);
       }
-      this.updateAppLauncherPromoHiddenState_();
     },
 
     /**
      * Called by chrome when a new app has been added to chrome or has been
      * enabled if previously disabled.
      * @param {AppInfo} appData A data structure full of relevant information
      *     for the app.
      * @param {boolean=} opt_highlight Whether the app about to be added should
      *     be highlighted.
      */
@@ skipping 41 matching lines @@
       }
 
       // Set the App dot names.
       var dots = this.dotList.getElementsByClassName('dot');
       for (var i = 0; i < dots.length; ++i) {
         dots[i].displayTitle = data.appPageNames[i] || '';
       }
     },
 
     /**
-     * Callback invoked by chrome whenever the app launcher promo pref changes.
-     * @param {boolean} show Identifies if we should show or hide the promo.
-     */
-    appLauncherPromoPrefChangeCallback: function(show) {
-      loadTimeData.overrideValues({showAppLauncherPromo: show});
-      this.updateAppLauncherPromoHiddenState_();
-    },
-
-    /**
-     * Updates the hidden state of the app launcher promo based on the page
-     * shown and load data content.
-     * @private
-     */
-    updateAppLauncherPromoHiddenState_: function() {
-      $('app-launcher-promo').hidden =
-          !loadTimeData.getBoolean('showAppLauncherPromo');
-    },
-
-    /**
      * Invoked whenever the pages in apps-page-list have changed so that
      * the Slider knows about the new elements.
      */
     updateSliderCards: function() {
       var pageNo = Math.max(0, Math.min(this.cardSlider.currentCard,
                                         this.tilePages.length - 1));
       this.cardSlider.setCards(Array.prototype.slice.call(this.tilePages),
                                pageNo);
       if (loadTimeData.getBoolean('showApps')) {
         this.cardSlider.selectCardByValue(
@@ skipping 138 matching lines @@
     },
 
     /**
      * Saves/updates the newly selected page to open when first loading the NTP.
      * @param {number} shownPageIndex The new shown page index.
      * @private
      */
     setShownPage_: function(shownPageIndex) {
       assert(shownPageIndex >= 0);
       this.shownPageIndex = shownPageIndex;
-      chrome.send('pageSelected', [this.shownPageIndex]);
-      this.updateAppLauncherPromoHiddenState_();
+      chrome.send('pageSelected', [this.shownPage, this.shownPageIndex]);
     },
 
     /**
      * Listen for card additions to update the page switchers or the current
      * card accordingly.
      * @param {Event} e A card removed or added event.
      */
     onCardAdded_: function(e) {
       // When the second arg passed to insertBefore is falsey, it acts just like
       // appendChild.
@@ skipping 105 matching lines @@
       if (page.navigationDot)
         page.navigationDot.remove(opt_animate);
       this.cardSlider.removeCard(page);
     },
   };
 
   return {
     PageListView: PageListView
   };
 });