MD Settings: Spellcheck subsection secondary text

chrome/browser/resources/settings/languages_page/languages_page.html

 <link rel="import" href="chrome://resources/html/assert.html">
 <link rel="import" href="chrome://resources/html/cr.html">
 <link rel="import" href="chrome://resources/html/polymer.html">
 <link rel="import" href="chrome://resources/polymer/v1_0/iron-collapse/iron-collapse.html">
 <link rel="import" href="chrome://resources/polymer/v1_0/iron-icon/iron-icon.html">
 <link rel="import" href="chrome://resources/polymer/v1_0/neon-animation/neon-animatable.html">
 <link rel="import" href="chrome://resources/polymer/v1_0/paper-icon-button/paper-icon-button.html">
 <link rel="import" href="chrome://resources/cr_elements/cr_expand_button/cr_expand_button.html">
 <link rel="import" href="chrome://resources/cr_elements/icons.html">
 <link rel="import" href="/icons.html">
@@ skipping 97 matching lines @@
                 on-tap="onManageInputMethodsTap_">
               $i18n{manageInputMethods}
             </div>
           </div>
         </iron-collapse>
 </if>
 <if expr="not is_macosx">
         <div class="settings-box two-line">
           <div class="start">
             <div>$i18n{spellCheckListTitle}</div>
-            <div class="secondary">[[spellCheckSecondary_]]</div>
+            <div class="secondary">
+              [[getSpellCheckSecondaryText_(languages.enabled.*)]]
+            </div>
           </div>
           <cr-expand-button expanded="{{spellCheckOpened_}}">
           </cr-expand-button>
         </div>
         <iron-collapse id="spellCheckCollapse" opened="[[spellCheckOpened_]]">
           <div class="list-frame vertical-list">
             <template is="dom-repeat"
                 items="[[spellCheckLanguages_(languages.enabled.*)]]">
               <div class="list-item">
                 <div class="start">
@@ skipping 40 matching lines @@
       <template is="dom-if" name="edit-dictionary">
         <settings-subpage page-title="$i18n{editDictionaryPageTitle}">
           <settings-edit-dictionary-page></settings-edit-dictionary-page>
         </settings-subpage>
       </template>
 </if>
     </settings-animated-pages>
   </template>
   <script src="languages_page.js"></script>
 </dom-module>