Revert of [i18n] chromeos login i18n-content to $i18n{}

chrome/browser/resources/chromeos/login/offline_gaia.html

Index: chrome/browser/resources/chromeos/login/offline_gaia.html
diff --git a/chrome/browser/resources/chromeos/login/offline_gaia.html b/chrome/browser/resources/chromeos/login/offline_gaia.html
index 0c99660d10a871cc57021cc62a582038920b260d..591466a9da50804d33f37633b35174d9ce90b184 100644
--- a/chrome/browser/resources/chromeos/login/offline_gaia.html
+++ b/chrome/browser/resources/chromeos/login/offline_gaia.html
@@ -53,7 +53,7 @@
       <neon-animatable id="emailSection" class="fit">
         <gaia-card class="fit">
           <div class="header flex vertical layout end-justified start">
-            <h1 class="welcome-message">$i18n{loginWelcomeMessage}</h1>
+            <h1 class="welcome-message" i18n-content="loginWelcomeMessage"></h1>
             <p id="managedBy" class="enterprise-info"
                hidden$="[[!showEnterpriseMessage]]">
             </p>
@@ -85,8 +85,8 @@
                 i18n-values="error:offlineLoginInvalidPassword;
                              label:offlineLoginPassword">
             </gaia-input>
-            <gaia-button type="link" on-tap="onForgotPasswordClicked_">
-              $i18n{offlineLoginForgotPasswordBtn}
+            <gaia-button type="link" on-tap="onForgotPasswordClicked_"
+                i18n-content="offlineLoginForgotPasswordBtn">
             </gaia-button>
           </gaia-input-form>
         </gaia-card>
@@ -95,10 +95,10 @@
 
     <paper-dialog id="forgotPasswordDlg" no-cancel-on-outside-click
         on-iron-overlay-closed="onDialogOverlayClosed_">
-      <p>$i18n{offlineLoginForgotPasswordDlg}</p>
+      <p i18n-content="offlineLoginForgotPasswordDlg"></p>
       <div class="buttons">
-        <gaia-button type="dialog" dialog-confirm autofocus>
-          $i18n{offlineLoginCloseBtn}
+        <gaia-button type="dialog" dialog-confirm autofocus
+            i18n-content="offlineLoginCloseBtn">
         </gaia-button>
       </div>
     </paper-dialog>