ntp: speed up startup by deferring app icon loads

chrome/browser/resources/ntp4/card_slider.js

 // Copyright (c) 2011 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 Card slider implementation. Allows you to create interactions
  * that have items that can slide left to right to reveal additional items.
  * Works by adding the necessary event handlers to a specific DOM structure
  * including a frame, container and cards.
  * - The frame defines the boundary of one item. Each card will be expanded to
@@ skipping 280 matching lines @@
         this.currentCardValue.classList.add('selected-card');
       }
 
       this.transformToCurrentCard_(opt_animate);
 
       if (isChangingCard) {
         var event = document.createEvent('Event');
         event.initEvent(CardSlider.EventType.CARD_CHANGED, true, true);
         event.cardSlider = this;
         this.container_.dispatchEvent(event);
+
+        // We also dispatch an event on the card itself.
+        cr.dispatchSimpleEvent(this.currentCardValue, 'cardselected',
+                               true, true);
       }
     },
 
     /**
      * Selects a card from the stack. Passes through to selectCard.
      * @param {Node} newCard The card that should be selected.
      * @param {boolean=} opt_animate Whether to animate.
      */
     selectCardByValue: function(newCard, opt_animate) {
       var i = this.cards_.indexOf(newCard);
@@ skipping 108 matching lines @@
       // Stop listening to any current touch
       this.touchHandler_.cancelTouch();
 
       // Ensure we're at a card bounary
       this.transformToCurrentCard_(true);
     },
   };
 
   return CardSlider;
 })();