[MD settings] i18n-content to $i18n switch in People settings

chrome/browser/resources/settings/people_page/users_page.html

 <link rel="import" href="chrome://resources/html/polymer.html">
 <link rel="import" href="chrome://resources/polymer/v1_0/iron-a11y-keys-behavior/iron-a11y-keys-behavior.html">
 <link rel="import" href="chrome://resources/polymer/v1_0/iron-flex-layout/classes/iron-flex-layout.html">
 <link rel="import" href="chrome://resources/polymer/v1_0/paper-button/paper-button.html">
 <link rel="import" href="chrome://resources/polymer/v1_0/paper-input/paper-input.html">
 <link rel="import" href="chrome://md-settings/controls/settings_checkbox.html">
 <link rel="import" href="chrome://md-settings/settings_page/settings_section.html">
 <link rel="import" href="chrome://md-settings/settings_shared_css.html">
 <link rel="import" href="user_list.html">
 
 <dom-module id="settings-users-page">
   <link rel="import" type="css" href="users_page.css">
   <template>
     <style include="settings-shared"></style>
-    <div class="settings-box" i18n-content="usersModifiedByOwnerLabel"
+    <div class="settings-box"
         hidden$="{{computeHideOwnerLabel_(isOwner, isWhitelistManaged)}}">
+      $i18n{usersModifiedByOwnerLabel}
     </div>
-    <div class="settings-box" i18n-content="settingsManagedLabel"
+    <div class="settings-box"
         hidden$="{{computeHideManagedLabel_(isOwner, isWhitelistManaged)}}">
+      $i18n{settingsManagedLabel}
     </div>
     <div class="settings-box">
       <settings-checkbox
           pref="{{prefs.cros.accounts.allowBWSI}}"
-          i18n-values="label:guestBrowsingLabel"
+          label="$i18n{guestBrowsingLabel}"
           disabled="{{editingDisabled}}">
       </settings-checkbox>
       <settings-checkbox
           pref="{{prefs.cros.accounts.supervisedUsersEnabled}}"
-          i18n-values="label:supervisedUsersLabel"
+          label="$i18n{supervisedUsersLabel}"
           disabled="{{editingDisabled}}">
       </settings-checkbox>
       <settings-checkbox
           pref="{{prefs.cros.accounts.showUserNamesOnSignIn}}"
-          i18n-values="label:showOnSigninLabel"
+          label="$i18n{showOnSigninLabel}"
           disabled="{{editingDisabled}}">
       </settings-checkbox>
     </div>
     <div class="settings-box">
       <settings-checkbox
           pref="{{prefs.cros.accounts.allowGuest}}"
           id="restrictSignIn"
-          i18n-values="label:restrictSigninLabel"
+          label="$i18n{restrictSigninLabel}"
           disabled="{{editingDisabled}}" inverted>
       </settings-checkbox>
       <div class="users">
         <div>
           <settings-user-list prefs="[[prefs]]"
               disabled="[[editingUsersDisabled]]">
           </settings-user-list>
         </div>
         <div>
-          <paper-input id="addUserInput" i18n-values="label:addUsersLabel"
+          <paper-input id="addUserInput" label="$i18n{addUsersLabel}"
               disabled="[[editingUsersDisabled]]">
           </paper-input>
           <div class="add-user-button layout horizontal end-justified">
-            <paper-button i18n-content="add" on-tap="addUser_"
-                disabled="[[editingUsersDisabled]]" class="action-button">
+            <paper-button on-tap="addUser_" disabled="[[editingUsersDisabled]]"
+                class="action-button">
+              $i18n{add}
             </paper-button>
           </div>
         </div>
       </div>
     </div>
   </template>
   <script src="users_page.js"></script>
 </dom-module>