Remove unused ntp_search.

chrome/browser/resources/ntp_search/dot_list.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.
-
-/**
- * @fileoverview DotList implementation
- */
-
-cr.define('ntp', function() {
-  'use strict';
-
-  /**
-   * Live list of the navigation dots.
-   * @type {!NodeList|undefined}
-   */
-  var navDots;
-
-  /**
-   * Creates a new DotList object.
-   * @constructor
-   * @extends {HTMLUListElement}
-   */
-  var DotList = cr.ui.define('ul');
-
-  DotList.prototype = {
-    __proto__: HTMLUListElement.prototype,
-
-    /** @override */
-    decorate: function() {
-      this.addEventListener('keydown', this.onKeyDown_.bind(this));
-      navDots = this.getElementsByClassName('dot');
-    },
-
-    /**
-     * Live list of the navigation dots.
-     * @type {!NodeList|undefined}
-     */
-    get dots() {
-      return navDots;
-    },
-
-    /**
-     * Handler for key events on the dot list. These keys will change the focus
-     * element.
-     * @param {Event} e The KeyboardEvent.
-     */
-    onKeyDown_: function(e) {
-      if (e.metaKey || e.shiftKey || e.altKey || e.ctrlKey)
-        return;
-
-      var direction = 0;
-      if (e.keyIdentifier == 'Left')
-        direction = -1;
-      else if (e.keyIdentifier == 'Right')
-        direction = 1;
-      else
-        return;
-
-      var focusDot = this.querySelector('.dot:focus');
-      if (!focusDot)
-        return;
-      var focusIndex = Array.prototype.indexOf.call(navDots, focusDot);
-      var newFocusIndex = focusIndex + direction;
-      if (focusIndex == newFocusIndex)
-        return;
-
-      newFocusIndex = (newFocusIndex + navDots.length) % navDots.length;
-      navDots[newFocusIndex].tabIndex = 3;
-      navDots[newFocusIndex].focus();
-      focusDot.tabIndex = -1;
-
-      e.stopPropagation();
-      e.preventDefault();
-    }
-  };
-
-  return {
-    DotList: DotList
-  };
-});