get rid of old options pages

chrome/browser/resources/options/handler_options.js

-// Copyright (c) 2011 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('options', function() {
-  const OptionsPage = options.OptionsPage;
-
-  /////////////////////////////////////////////////////////////////////////////
-  // HandlerOptions class:
-
-  /**
-   * Encapsulated handling of handler options page.
-   * @constructor
-   */
-  function HandlerOptions() {
-    this.activeNavTab = null;
-    OptionsPage.call(this,
-                     'handlers',
-                     templateData.handlersPageTabTitle,
-                     'handler-options');
-  }
-
-  cr.addSingletonGetter(HandlerOptions);
-
-  HandlerOptions.prototype = {
-    __proto__: OptionsPage.prototype,
-
-    /**
-     * The handlers list.
-     * @type {DeletableItemList}
-     * @private
-     */
-    handlersList_: null,
-
-    /** @inheritDoc */
-    initializePage: function() {
-      OptionsPage.prototype.initializePage.call(this);
-
-      this.createHandlersList_();
-    },
-
-    /**
-     * Creates, decorates and initializes the handlers list.
-     * @private
-     */
-    createHandlersList_: function() {
-      this.handlersList_ = $('handlers-list');
-      options.HandlersList.decorate(this.handlersList_);
-      this.handlersList_.autoExpands = true;
-
-      this.ignoredHandlersList_ = $('ignored-handlers-list');
-      options.IgnoredHandlersList.decorate(this.ignoredHandlersList_);
-      this.ignoredHandlersList_.autoExpands = true;
-    },
-  };
-
-  /**
-   * Sets the list of handlers shown by the view.
-   * @param handlers to be shown in the view.
-   */
-  HandlerOptions.setHandlers = function(handlers) {
-    $('handlers-list').setHandlers(handlers);
-  };
-
-  /**
-   * Sets the list of ignored handlers shown by the view.
-   * @param handlers to be shown in the view.
-   */
-  HandlerOptions.setIgnoredHandlers = function(handlers) {
-    $('ignored-handlers-section').hidden = handlers.length == 0;
-    $('ignored-handlers-list').setHandlers(handlers);
-  };
-
-  return {
-    HandlerOptions: HandlerOptions
-  };
-});