add a new, blank version of content settings so that a new UI may be prototyped

chrome/browser/resources/options/content_settings2.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.
+
+if (loadTimeData.getBoolean('newContentSettings')) {
+
+cr.define('options', function() {
+  /** @const */ var OptionsPage = options.OptionsPage;
+
+  //////////////////////////////////////////////////////////////////////////////
+  // ContentSettings class:
+
+  /**
+   * Encapsulated handling of content settings page.
+   * @constructor
+   */
+  function ContentSettings() {
+    this.activeNavTab = null;
+    OptionsPage.call(this, 'content',
+                     loadTimeData.getString('contentSettingsPageTabTitle'),
+                     'content-settings-page2');
+  }
+
+  cr.addSingletonGetter(ContentSettings);
+
+  ContentSettings.prototype = {
+    __proto__: OptionsPage.prototype,
+
+    initializePage: function() {
+      OptionsPage.prototype.initializePage.call(this);
+
+      $('content-settings-overlay-confirm2').onclick =
+          OptionsPage.closeOverlay.bind(OptionsPage);
+    },
+  };
+
+  ContentSettings.updateHandlersEnabledRadios = function(enabled) {
+    // Not implemented.
+  };
+
+  /**
+   * Sets the values for all the content settings radios.
+   * @param {Object} dict A mapping from radio groups to the checked value for
+   *     that group.
+   */
+  ContentSettings.setContentFilterSettingsValue = function(dict) {
+    // Not implemented.
+  };
+
+  /**
+   * Initializes an exceptions list.
+   * @param {string} type The content type that we are setting exceptions for.
+   * @param {Array} list An array of pairs, where the first element of each pair
+   *     is the filter string, and the second is the setting (allow/block).
+   */
+  ContentSettings.setExceptions = function(type, list) {
+    // Not implemented.
+  };
+
+  ContentSettings.setHandlers = function(list) {
+    // Not implemented.
+  };
+
+  ContentSettings.setIgnoredHandlers = function(list) {
+    // Not implemented.
+  };
+
+  ContentSettings.setOTRExceptions = function(type, list) {
+    // Not implemented.
+  };
+
+  /**
+   * Enables the Pepper Flash camera and microphone settings.
+   * Please note that whether the settings are actually showed or not is also
+   * affected by the style class pepper-flash-settings.
+   */
+  ContentSettings.enablePepperFlashCameraMicSettings = function() {
+    // Not implemented.
+  }
+
+  // Export
+  return {
+    ContentSettings: ContentSettings
+  };
+
+});
+
+}