Remove unused ntp_search.

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.
-   * @param {Object=} opt_data The data representing the thumbnail.
-   * @constructor
-   * @extends {Tile}
-   * @extends {HTMLAnchorElement}
-   */
-  function Thumbnail(opt_data) {
-    var el = cr.doc.createElement('a');
-    el.__proto__ = Thumbnail.prototype;
-    el.initialize();
-
-    if (opt_data)
-      el.data = opt_data;
-
-    return el;
-  }
-
-  Thumbnail.prototype = Tile.subclass({
-    __proto__: HTMLAnchorElement.prototype,
-
-    /**
-     * Initializes a Thumbnail.
-     */
-    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.
-     */
-    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) {
-      var title = this.querySelector('.title');
-      title.textContent = data.title;
-      title.dir = data.direction;
-
-      // Sets the tooltip.
-      this.title = data.title;
-
-      var dataUrl = data.url;
-      // Allow an empty string href (e.g. for a multiple tab thumbnail).
-      this.href = typeof data.href != 'undefined' ? data.href : dataUrl;
-
-      var thumbnailImage = this.querySelector('.thumbnail-image');
-
-      var banner = thumbnailImage.querySelector('.thumbnail-banner');
-      if (banner)
-        thumbnailImage.removeChild(banner);
-
-      var favicon = this.querySelector('.thumbnail-favicon') ||
-                    this.ownerDocument.createElement('div');
-      favicon.className = 'thumbnail-favicon';
-      favicon.style.backgroundImage = getFaviconImageSet(dataUrl);
-      this.appendChild(favicon);
-
-      var self = this;
-      var image = new Image();
-
-      // If the thumbnail image fails to load, show an alternative presentation.
-      // TODO(jeremycho): Move to a separate function?
-      image.onerror = function() {
-        banner = thumbnailImage.querySelector('.thumbnail-banner') ||
-            self.ownerDocument.createElement('div');
-        banner.className = 'thumbnail-banner';
-
-        // For now, just strip leading http://www and trailing backslash.
-        // TODO(jeremycho): Consult with UX on URL truncation.
-        banner.textContent = dataUrl.replace(/^(http:\/\/)?(www\.)?|\/$/gi, '');
-        thumbnailImage.appendChild(banner);
-      };
-
-      var thumbnailUrl = ntp.getThumbnailUrl(dataUrl);
-      thumbnailImage.style.backgroundImage = url(thumbnailUrl);
-      image.src = thumbnailUrl;
-    },
-
-    /**
-     * Returns true if this is a thumbnail or descendant thereof.  Used to
-     * detect when the mouse has transitioned into this thumbnail from a
-     * strictly non-thumbnail element.
-     * @param {Object} element The element to test.
-     * @return {boolean} True if this is a thumbnail or a descendant thereof.
-     * @private
-     */
-    isInThumbnail_: function(element) {
-      while (element) {
-        if (element == this)
-          return true;
-        element = element.parentNode;
-      }
-      return false;
-    },
-
-    /**
-     * Increment the hover count whenever the mouse enters a thumbnail.
-     * @param {Event} e The mouse over event.
-     * @private
-     */
-    handleMouseOver_: function(e) {
-      if (this.isInThumbnail_(e.target) &&
-          !this.isInThumbnail_(e.relatedTarget)) {
-        ntp.incrementHoveredThumbnailCount();
-      }
-    },
-  });
-
-  /**
-   * Creates a new ThumbnailPage object.
-   * @constructor
-   * @extends {TilePage}
-   */
-  function ThumbnailPage() {
-    var el = new TilePage();
-    el.__proto__ = ThumbnailPage.prototype;
-
-    return el;
-  }
-
-  ThumbnailPage.prototype = {
-    __proto__: TilePage.prototype,
-
-    /**
-     * Initializes a ThumbnailPage.
-     */
-    initialize: function() {
-      TilePage.prototype.initialize.apply(this, arguments);
-
-      this.classList.add('thumbnail-page');
-    },
-
-    /** @override */
-    shouldAcceptDrag: function(e) {
-      return false;
-    },
-  };
-
-  return {
-    Thumbnail: Thumbnail,
-    ThumbnailPage: ThumbnailPage,
-  };
-});