Implement 'Do Not Track' header

chrome/browser/resources/options/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;
 var ClearBrowserDataOverlay = options.ClearBrowserDataOverlay;
 var ContentSettings = options.ContentSettings;
 var ContentSettingsExceptionsArea =
     options.contentSettings.ContentSettingsExceptionsArea;
 var CookiesView = options.CookiesView;
 var CookiesViewApp = options.CookiesViewApp;
+var DoNotTrackConfirmOverlay = options.DoNotTrackConfirmOverlay;
 var FontSettings = options.FontSettings;
 var HandlerOptions = options.HandlerOptions;
 var HomePageOverlay = options.HomePageOverlay;
 var ImportDataOverlay = options.ImportDataOverlay;
 var InstantConfirmOverlay = options.InstantConfirmOverlay;
 var LanguageOptions = options.LanguageOptions;
 var MediaGalleriesManager = options.MediaGalleriesManager;
 var OptionsFocusManager = options.OptionsFocusManager;
 var OptionsPage = options.OptionsPage;
 var PasswordManager = options.PasswordManager;
@@ skipping 50 matching lines @@
   OptionsPage.registerOverlay(ContentSettingsExceptionsArea.getInstance(),
                               ContentSettings.getInstance());
   OptionsPage.registerOverlay(CookiesView.getInstance(),
                               ContentSettings.getInstance(),
                               [$('privacyContentSettingsButton'),
                                $('show-cookies-button')]);
   OptionsPage.registerOverlay(CookiesViewApp.getInstance(),
                               ContentSettings.getInstance(),
                               [$('privacyContentSettingsButton'),
                                $('show-app-cookies-button')]);
+  OptionsPage.registerOverlay(DoNotTrackConfirmOverlay.getInstance(),
+                              BrowserOptions.getInstance());
   OptionsPage.registerOverlay(FontSettings.getInstance(),
                               BrowserOptions.getInstance(),
                               [$('fontSettingsCustomizeFontsButton')]);
   if (HandlerOptions && $('manage-handlers-button')) {
     OptionsPage.registerOverlay(HandlerOptions.getInstance(),
                                 ContentSettings.getInstance(),
                                 [$('manage-handlers-button')]);
   }
   OptionsPage.registerOverlay(HomePageOverlay.getInstance(),
                               BrowserOptions.getInstance(),
@@ skipping 130 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);
 };