Add an automatic settings reset banner.

chrome/browser/resources/options/automatic_settings_reset_banner.js

+// Copyright 2014 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.
+
+// Note: the native-side handler for this is AutomaticSettingsResetHandler.
+
+cr.define('options', function() {
+  /** @const */ var SettingsBannerBase = options.SettingsBannerBase;
+
+  /**
+   * AutomaticSettingsResetBanner class
+   * Provides encapsulated handling of the Reset Profile Settings banner.
+   * @constructor
+   */
+  function AutomaticSettingsResetBanner() {}
+
+  cr.addSingletonGetter(AutomaticSettingsResetBanner);
+
+  AutomaticSettingsResetBanner.prototype = {
+    __proto__: SettingsBannerBase.prototype,
+
+    /**
+     * Initializes the banner's event handlers.
+     */
+    initialize: function() {
+      this.showMetricName_ = 'AutomaticSettingsReset_WebUIBanner_BannerShown';
+
+      this.dismissNativeCallbackName_ =
+          'onDismissedAutomaticSettingsResetBanner';
+
+      this.setVisibilibyDomElement_ = $('automatic-settings-reset-banner');
+
+      $('automatic-settings-reset-banner-close').onclick = function(event) {
+        chrome.send('metricsHandler:recordAction',
+            ['AutomaticSettingsReset_WebUIBanner_ManuallyClosed']);
+        AutomaticSettingsResetBanner.dismiss();
+      };
+      $('automatic-settings-reset-learn-more').onclick = function(event) {
+        chrome.send('metricsHandler:recordAction',
+            ['AutomaticSettingsReset_WebUIBanner_LearnMoreClicked']);
+      };
+    },
+  };
+
+  // Forward public APIs to private implementations.
+  [
+    'show',
+    'dismiss',
+  ].forEach(function(name) {
+    AutomaticSettingsResetBanner[name] = function() {
+      var instance = AutomaticSettingsResetBanner.getInstance();
+      return instance[name + '_'].apply(instance, arguments);
+    };
+  });
+
+  // Export
+  return {
+    AutomaticSettingsResetBanner: AutomaticSettingsResetBanner
+  };
+});