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

chrome/browser/resources/ntp_search/thumbnail_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 Tile = ntp.Tile;
   var TilePage = ntp.TilePage;
 
   /**
    * Creates a new Thumbnail object for tiling.
    * @constructor
    * @extends {Tile}
    * @extends {HTMLAnchorElement}
-   * @param {Object} config Tile page configuration object.
    */
-  function Thumbnail(config) {
+  function Thumbnail() {
     var el = cr.doc.createElement('a');
     el.__proto__ = Thumbnail.prototype;
-    el.initialize(config);
+    el.initialize();
 
     return el;
   }
 
   Thumbnail.prototype = Tile.subclass({
     __proto__: HTMLAnchorElement.prototype,
 
     /**
      * Initializes a Thumbnail.
-     * @param {Object} config TilePage configuration object.
      */
-    initialize: function(config) {
+    initialize: function() {
       Tile.prototype.initialize.apply(this, arguments);
       this.classList.add('thumbnail');
       this.addEventListener('mouseover', this.handleMouseOver_);
     },
 
     /**
      * Clears the DOM hierarchy for this node, setting it back to the default
      * for a blank thumbnail.
      */
     reset: function() {
       this.innerHTML =
           '<span class="thumbnail-wrapper">' +
             '<span class="thumbnail-image thumbnail-card"></span>' +
           '</span>' +
           '<span class="title"></span>';
 
       this.tabIndex = -1;
       this.data_ = null;
       this.title = '';
     },
 
     /**
      * Update the appearance of this tile according to |data|.
      * @param {Object} data A dictionary of relevant data for the page.
      */
-    setData: function(data) {
-      Tile.prototype.setData.apply(this, arguments);
+    set data(data) {
+      Object.getOwnPropertyDescriptor(Tile.prototype, 'data').set.apply(this,
+          arguments);
 
       this.formatThumbnail_(data);
     },
 
     /**
      * Formats this tile according to |data|.
      * @param {Object} data A dictionary of relevant data for the page.
      * @private
      */
     formatThumbnail_: function(data) {
@@ skipping 100 matching lines @@
     shouldAcceptDrag: function(e) {
       return false;
     },
   };
 
   return {
     Thumbnail: Thumbnail,
     ThumbnailPage: ThumbnailPage,
   };
 });