Language settings: change spellcheck row; minor code cleanup

chrome/browser/resources/settings/languages_page/languages_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-languages-page' is the settings page
  * for language and input method settings.
  */
 (function() {
 'use strict';
@@ skipping 17 matching lines @@
      */
     languages: {
       type: Object,
       notify: true,
     },
 
     /** @type {!LanguageHelper} */
     languageHelper: Object,
 
     /** @private */
-    spellCheckSecondary_: {
+    spellCheckSecondaryText_: {
       type: String,
-      value: 'Placeholder, e.g. English (United States)',
+      value: '',
+      computed: 'getSpellCheckSecondaryText_(languages.enabled.*)',
     },
 
     /**
      * The language to display the details for.
      * @type {!LanguageState|undefined}
      * @private
      */
     detailLanguage_: Object,
 
     /** @private */
@@ skipping 318 matching lines @@
 
   /**
    * @return {string}
    * @private
    */
   getLanguageListTwoLine_: function() {
     return cr.isChromeOS || cr.isWindows ? 'two-line' : '';
   },
 
   /**
+   * @return {string}
+   * @private
+   */
+  getSpellCheckListTwoLine_: function() {
+    return this.spellCheckSecondaryText_.length ? 'two-line' : '';
+  },
+
+  /**
    * Returns either the "selected" class, if the language matches the
    * prospective UI language, or an empty string. Languages can only be
    * selected on Chrome OS and Windows.
    * @param {string} languageCode The language code identifying a language.
    * @param {string} prospectiveUILanguage The prospective UI language.
    * @param {boolean} supportsUI Whether Chrome's UI can be shown in this
    *     language.
    * @return {string} The class name for the language item.
    * @private
    */
@@ skipping 122 matching lines @@
     if (e.target.tagName == expandButtonTag)
       return;
 
     /** @type {!CrExpandButtonElement} */
     var expandButton = e.currentTarget.querySelector(expandButtonTag);
     assert(expandButton);
     expandButton.expanded = !expandButton.expanded;
   },
 });
 })();