MD Settings: Search engine: Request hotword info on engine change

chrome/browser/resources/settings/search_page/search_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-search-page' is the settings page containing search settings.
  */
 Polymer({
   is: 'settings-search-page',
@@ skipping 36 matching lines @@
   /** @override */
   created: function() {
     this.browserProxy_ = settings.SearchEnginesBrowserProxyImpl.getInstance();
   },
 
   /** @override */
   ready: function() {
     // Omnibox search engine
     var updateSearchEngines = function(searchEngines) {
       this.set('searchEngines_', searchEngines.defaults);
+      this.requestHotwordInfoUpdate_();
     }.bind(this);
     this.browserProxy_.getSearchEnginesList().then(updateSearchEngines);
     cr.addWebUIListener('search-engines-changed', updateSearchEngines);
 
-    // Hotword (OK Google)
+    // Hotword (OK Google) listener
     cr.addWebUIListener(
         'hotword-info-update', this.hotwordInfoUpdate_.bind(this));
-    this.browserProxy_.getHotwordInfo().then(function(hotwordInfo) {
-      this.hotwordInfoUpdate_(hotwordInfo);
-    }.bind(this));
 
     // Google Now cards in the launcher
     cr.addWebUIListener(
         'google-now-availability-changed',
         this.googleNowAvailabilityUpdate_.bind(this));
     this.browserProxy_.getGoogleNowAvailability().then(function(available) {
         this.googleNowAvailabilityUpdate_(available);
     }.bind(this));
   },
 
@@ skipping 17 matching lines @@
   /**
    * @param {Event} event
    * @private
    */
   onHotwordSearchEnableChange_: function(event) {
     // Do not set the pref directly, allow Chrome to run the setup app instead.
     this.browserProxy_.setHotwordSearchEnabled(
         !!this.hotwordSearchEnablePref_.value);
   },
 
+  /** @private */
+  requestHotwordInfoUpdate_: function() {
+    this.browserProxy_.getHotwordInfo().then(function(hotwordInfo) {
+      this.hotwordInfoUpdate_(hotwordInfo);
+    }.bind(this));
+  },
+
   /**
    * @param {!SearchPageHotwordInfo} hotwordInfo
    * @private
    */
   hotwordInfoUpdate_: function(hotwordInfo) {
     this.hotwordInfo_ = hotwordInfo;
     this.hotwordSearchEnablePref_ = {
       key: 'unused',  // required for PrefObject
       type: chrome.settingsPrivate.PrefType.BOOLEAN,
       value: this.hotwordInfo_.enabled,
@@ skipping 46 matching lines @@
   },
 
   /**
    * @param {Event} event
    * @private
    */
   doNothing_: function(event) {
     event.stopPropagation();
   }
 });