Reland: MD Settings: Fix the Network Prediction toggle box.

chrome/browser/resources/settings/privacy_page/privacy_page.js

 // Copyright 2015 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.
 
 /**
  * @fileoverview
  * 'settings-privacy-page' is the settings page containing privacy and
  * security settings.
  */
+(function() {
+
+/**
+ * Must be kept in sync with the C++ enum of the same name.
+ * @enum {number}
+ */
+var NetworkPredictionOptions = {
+  ALWAYS: 0,
+  WIFI_ONLY: 1,
+  NEVER: 2,
+  DEFAULT: 1
+};
+
 Polymer({
   is: 'settings-privacy-page',
 
   behaviors: [
     settings.RouteObserverBehavior,
     I18nBehavior,
     WebUIListenerBehavior,
   ],
 
   properties: {
@@ skipping 36 matching lines @@
     /** @private {chrome.settingsPrivate.PrefObject} */
     safeBrowsingExtendedReportingPref_: {
       type: Object,
       value: function() {
         return /** @type {chrome.settingsPrivate.PrefObject} */({});
       },
     },
 
     /** @private */
     showClearBrowsingDataDialog_: Boolean,
+
+    /**
+     * Used for HTML bindings. This is defined as a property rather than within
+     * the ready callback, because the value needs to be available before
+     * local DOM initialization - otherwise, the toggle has unexpected behavior.
+     * @private
+     */
+    networkPredictionEnum_: {
+      type: Object,
+      value: NetworkPredictionOptions,
+    },
   },
 
   ready: function() {
     this.ContentSettingsTypes = settings.ContentSettingsTypes;
 
     this.browserProxy_ = settings.PrivacyPageBrowserProxyImpl.getInstance();
 
 // <if expr="_google_chrome and not chromeos">
     var setMetricsReportingPref = this.setMetricsReportingPref_.bind(this);
     this.addWebUIListener('metrics-reporting-change', setMetricsReportingPref);
@@ skipping 140 matching lines @@
     return value ? this.i18n('siteSettingsProtectedContentEnable')
                  : this.i18n('siteSettingsBlocked');
   },
 
   /** @private */
   getProtectedContentIdentifiersLabel_: function(value) {
     return value ? this.i18n('siteSettingsProtectedContentEnableIdentifiers')
                  : this.i18n('siteSettingsBlocked');
   },
 });
+})();