Add OptionsUI and its handler for multiple displays.

chrome/browser/resources/options2/options.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.
 
 var AddLanguageOverlay = options.AddLanguageOverlay;
 var AlertOverlay = options.AlertOverlay;
 var AutofillEditAddressOverlay = options.AutofillEditAddressOverlay;
 var AutofillEditCreditCardOverlay = options.AutofillEditCreditCardOverlay;
 var AutofillOptions = options.AutofillOptions;
 var BrowserOptions = options.BrowserOptions;
@@ skipping 109 matching lines @@
     OptionsPage.registerOverlay(BluetoothOptions.getInstance(),
                                 BrowserOptions.getInstance(),
                                 [$('bluetooth-add-device')]);
     OptionsPage.registerOverlay(BluetoothPairing.getInstance(),
                                 BrowserOptions.getInstance());
     OptionsPage.registerOverlay(ChangePictureOptions.getInstance(),
                                 BrowserOptions.getInstance(),
                                 [$('account-picture')]);
     OptionsPage.registerOverlay(DetailsInternetPage.getInstance(),
                                 BrowserOptions.getInstance());
+    OptionsPage.registerOverlay(DisplayOptions.getInstance(),
+                                BrowserOptions.getInstance(),
+                                [$('display-options-button')]);
     OptionsPage.registerOverlay(KeyboardOverlay.getInstance(),
                                 BrowserOptions.getInstance(),
                                 [$('keyboard-settings-button')]);
     OptionsPage.registerOverlay(PointerOverlay.getInstance(),
                                 BrowserOptions.getInstance(),
                                 [$('pointer-settings-button')]);
     OptionsPage.registerOverlay(PreferredNetworks.getInstance(),
                                 BrowserOptions.getInstance());
     OptionsPage.registerOverlay(
         new OptionsPage('languageChewing',
@@ skipping 78 matching lines @@
   options.OptionsPage.willClose();
 };
 
 /**
  * Listener for the |popstate| event.
  * @param {Event} e The |popstate| event.
  */
 window.onpopstate = function(e) {
   options.OptionsPage.setState(e.state);
 };