Remove unused ntp_search.

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.
-   * @param {Object=} opt_data The data representing the most visited page.
-   * @constructor
-   * @extends {Thumbnail}
-   * @extends {HTMLAnchorElement}
-   */
-  function MostVisited(opt_data) {
-    var el = cr.doc.createElement('a');
-    el.__proto__ = MostVisited.prototype;
-    el.initialize();
-
-    if (opt_data)
-      el.data = opt_data;
-
-    return el;
-  }
-
-  MostVisited.prototype = {
-    __proto__: Thumbnail.prototype,
-
-    /**
-     * Initializes a MostVisited Thumbnail.
-     */
-    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.
-     */
-    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');
-    },
-    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_();
-        e.preventDefault();
-      } else {
-        ntp.logTimeToClickAndHoverCount('MostVisited');
-        // Records an app launch from the most visited page (Chrome will decide
-        // whether the url is an app). TODO(estade): this only works for clicks;
-        // other actions like "open in new tab" from the context menu won't be
-        // recorded. Can this be fixed?
-        chrome.send('recordAppLaunchByURL',
-                    [encodeURIComponent(this.href),
-                     ntp.APP_LAUNCH.NTP_MOST_VISITED]);
-        // Records the index of this tile.
-        chrome.send('metricsHandler:recordInHistogram',
-                    ['NewTabPage.MostVisited', this.index, 8]);
-        chrome.send('mostVisitedAction',
-                    [ntp.NtpFollowAction.CLICKED_TILE]);
-      }
-    },
-
-    /**
-     * Allow blacklisting most visited site using the keyboard.
-     * @private
-     */
-    handleKeyDown_: function(e) {
-      if (!cr.isMac && e.keyCode == 46 || // Del
-          cr.isMac && e.metaKey && e.keyCode == 8) { // Cmd + Backspace
-        this.blacklist_();
-      }
-    },
-
-    /**
-     * Permanently removes a page from Most Visited.
-     * @private
-     */
-    blacklist_: function() {
-      this.tileCell.tilePage.setTileRepositioningState(this.index, true);
-      this.showUndoNotification_();
-      chrome.send('blacklistURLFromMostVisited', [this.data_.url]);
-      this.classList.add('blacklisted');
-    },
-
-    /**
-     * Shows the undo notification when blacklisting a most visited site.
-     * @private
-     */
-    showUndoNotification_: function() {
-      var data = this.data_;
-      var tilePage = this.tileCell.tilePage;
-      var index = this.index;
-      var doUndo = function() {
-        tilePage.setTileRepositioningState(index, false);
-        chrome.send('removeURLsFromMostVisitedBlacklist', [data.url]);
-      };
-
-      var undo = {
-        action: doUndo,
-        text: loadTimeData.getString('undothumbnailremove'),
-      };
-
-      var undoAll = {
-        action: function() {
-          chrome.send('clearMostVisitedURLsBlacklist');
-        },
-        text: loadTimeData.getString('restoreThumbnailsShort'),
-      };
-
-      ntp.showNotification(
-          loadTimeData.getString('thumbnailremovednotification'),
-          [undo, undoAll]);
-    },
-
-    /**
-     * Returns whether this element can be 'removed' from chrome.
-     * @return {boolean} True, since most visited pages can always be
-     *     blacklisted.
-     */
-    canBeRemoved: function() {
-      return true;
-    },
-  };
-
-  /**
-   * Creates a new MostVisitedPage object.
-   * @constructor
-   * @extends {ThumbnailPage}
-   */
-  function MostVisitedPage() {
-    var el = new ThumbnailPage();
-    el.__proto__ = MostVisitedPage.prototype;
-    el.initialize();
-
-    return el;
-  }
-
-  MostVisitedPage.prototype = {
-    __proto__: ThumbnailPage.prototype,
-
-    TileClass: MostVisited,
-
-    /**
-     * Initializes a MostVisitedPage.
-     */
-    initialize: function() {
-      ThumbnailPage.prototype.initialize.apply(this, arguments);
-
-      this.classList.add('most-visited-page');
-    },
-
-    /**
-     * Handles the 'card deselected' event (i.e. the user clicked to another
-     * pane).
-     * @private
-     * @param {Event} e The CardChanged event.
-     */
-    handleCardDeselected_: function(e) {
-      if (!document.documentElement.classList.contains('starting-up')) {
-        chrome.send('mostVisitedAction',
-                    [ntp.NtpFollowAction.CLICKED_OTHER_NTP_PANE]);
-      }
-    },
-
-    /**
-     * Handles the 'card selected' event (i.e. the user clicked to select the
-     * this page's pane).
-     * @private
-     * @param {Event} e The CardChanged event.
-     */
-    handleCardSelected_: function(e) {
-      if (!document.documentElement.classList.contains('starting-up'))
-        chrome.send('mostVisitedSelected');
-    },
-
-    /** @override */
-    setDataList: function(dataList) {
-      var startTime = Date.now();
-      ThumbnailPage.prototype.setDataList.apply(this, arguments);
-      this.updateGrid();
-      logEvent('mostVisited.layout: ' + (Date.now() - startTime));
-    },
-  };
-
-  /**
-   * Executed once the NTP has loaded. Checks if the Most Visited pane is
-   * shown or not. If it is shown, the 'mostVisitedSelected' message is sent
-   * to the C++ code, to record the fact that the user has seen this pane.
-   */
-  MostVisitedPage.onLoaded = function() {
-    if (ntp.getCardSlider() &&
-        ntp.getCardSlider().currentCardValue &&
-        ntp.getCardSlider().currentCardValue.classList
-        .contains('most-visited-page')) {
-      chrome.send('mostVisitedSelected');
-    }
-  };
-
-  return {
-    MostVisitedPage: MostVisitedPage,
-  };
-});
-
-document.addEventListener('ntpLoaded', ntp.MostVisitedPage.onLoaded);