MD User Manager: change last of i18n-* to $i18n{}

chrome/browser/resources/md_user_manager/supervised_user_learn_more.html

 <link rel="import" href="/icons.html">
 <link rel="import" href="/shared_styles.html">
 <link rel="import" href="chrome://resources/html/polymer.html">
 <link rel="import" href="chrome://resources/polymer/v1_0/iron-flex-layout/iron-flex-layout-classes.html">
 <link rel="import" href="chrome://resources/polymer/v1_0/paper-button/paper-button.html">
 
 <dom-module id="supervised-user-learn-more">
   <template>
     <style include="shared-styles iron-flex iron-flex-alignment iron-positioning">
       :host {
@@ skipping 33 matching lines @@
       :host-context([dir='rtl']) #actions {
         left: 16px;
         right: auto;
       }
     </style>
     <div id="container">
       <div id="title-area" class="horizontal justified layout">
         <span id="title">$i18n{supervisedUserLearnMoreTitle}</span>
         <iron-icon icon="user-manager:supervisor-account"></iron-icon>
       </div>
-      <div class="content-area"
-          i18n-values=".innerHTML:supervisedUserLearnMoreText">
-      </div>
+      <div class="content-area">$i18nRaw{supervisedUserLearnMoreText}</div>
       <div id="actions">
         <paper-button id="done" class="action primary" on-tap="onDoneTap_">
           $i18n{supervisedUserLearnMoreDone}
         </paper-button>
       </div>
     </div>
   </template>
   <script src="supervised_user_learn_more.js"></script>
 </dom-module>