NTP5: Refactoring appData to use Tile's data implementation.

chrome/browser/resources/ntp_search/most_visited_page.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.
 
 cr.define('ntp', function() {
   'use strict';
 
   var Thumbnail = ntp.Thumbnail;
   var ThumbnailPage = ntp.ThumbnailPage;
 
   /**
    * Creates a new Most Visited object for tiling.
    * @constructor
    * @extends {Thumbnail}
    * @extends {HTMLAnchorElement}
-   * @param {Object} config Tile page configuration object.
    */
-  function MostVisited(config) {
+  function MostVisited() {
     var el = cr.doc.createElement('a');
     el.__proto__ = MostVisited.prototype;
-    el.initialize(config);
+    el.initialize();
 
     return el;
   }
 
   MostVisited.prototype = {
     __proto__: Thumbnail.prototype,
 
     /**
      * Initializes a MostVisited Thumbnail.
-     * @param {Object} config TilePage configuration object.
      */
-    initialize: function(config) {
+    initialize: function() {
       Thumbnail.prototype.initialize.apply(this, arguments);
 
       this.addEventListener('click', this.handleClick_);
       this.addEventListener('keydown', this.handleKeyDown_);
       this.addEventListener('carddeselected', this.handleCardDeselected_);
       this.addEventListener('cardselected', this.handleCardSelected_);
     },
 
     /**
      * Clears the DOM hierarchy for this node, setting it back to the default
      * for a blank thumbnail.
      */
     reset: function() {
       Thumbnail.prototype.reset.apply(this, arguments);
 
       var closeButton = cr.doc.createElement('div');
       closeButton.className = 'close-button';
       closeButton.title = loadTimeData.getString('removethumbnailtooltip');
       this.appendChild(closeButton);
     },
 
     /**
      * Update the appearance of this tile according to |data|.
      * @param {Object} data A dictionary of relevant data for the page.
      */
-    setData: function(data) {
+    set data(data) {
+      Object.getOwnPropertyDescriptor(Thumbnail.prototype, 'data').set.apply(
+          this, arguments);
+
       if (this.classList.contains('blacklisted') && data) {
         // Animate appearance of new tile.
         this.classList.add('new-tile-contents');
       }
       this.classList.remove('blacklisted');
-
-      Thumbnail.prototype.setData.apply(this, arguments);
+    },
+    get data() {
+      return this.data_;
     },
 
     /**
      * Handles a click on the tile.
      * @param {Event} e The click event.
      * @private
      */
     handleClick_: function(e) {
       if (e.target.classList.contains('close-button')) {
         this.blacklist_();
@@ skipping 149 matching lines @@
       chrome.send('mostVisitedSelected');
     }
   };
 
   return {
     MostVisitedPage: MostVisitedPage,
   };
 });
 
 document.addEventListener('ntpLoaded', ntp.MostVisitedPage.onLoaded);