ntp4: fix brokeness when new apps are added

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 254 matching lines @@
       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);
       }
     },
 
+    selectCardByValue: function(newCard, opt_animate) {

[csilv, 2011/05/24 19:50:18]

nit: Add a function comment.

+      for (var i = 0; i < this.cards_.length; i++) {
+        if (newCard == this.cards_[i]) {
+          this.selectCard(i, opt_animate);
+          return;
+        }
+      }
+      assert(false);
+    },
+
     /**
      * Centers the view on the card denoted by this.currentCard. Can either
      * animate to that card or snap to it.
      * @param {boolean=} opt_animate If true will animate transition from
      *     current position to new position.
      * @private
      */
     transformToCurrentCard_: function(opt_animate) {
       this.currentLeft_ = -this.currentCard * this.cardWidth_;
 
@@ skipping 94 matching lines @@
 
       // Ensure we're at a card bounary
       this.transformToCurrentCard_(true);
     },
 
 
   };
 
   return CardSlider;
 })();