Show ChromeOS bios firmware in about dialog.

chrome/browser/resources/options/about_page.js

 // Copyright (c) 2011 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.
 
 cr.define('options', function() {
   const OptionsPage = options.OptionsPage;
 
   /**
    * The number of milliseconds used for showing a message.
    * @type {number}
@@ skipping 59 matching lines @@
       // Notify the handler that the page is ready.
       chrome.send('PageReady');
     },
 
     // Update the Default Browsers section based on the current state.
     updateOSVersion_: function(versionString) {
       $('osVersion0').textContent = versionString;
       $('osVersion1').textContent = versionString;
     },
 
+    updateOSFirmware_: function(firmwareString) {
+      $('osFirmware0').textContent = firmwareString;
+      $('osFirmware1').textContent = firmwareString;
+    },
+
     /**
      * Updates the status message like "Checking for update...".
      * @param {string} message The message to be shown.
      * @param {boolean} insertDelay show the message for a while.
      * @private
      */
     updateStatus_: function(message, insertDelay) {
       // Add the message to the queue with delay if needed.
       // The delay is inserted so users can read the message.
       var delayMs = insertDelay ? MESSAGE_DELAY_MS : 0;
@@ skipping 79 matching lines @@
       $('checkNow').onclick = function(event) {
         chrome.send('RestartNow');
       };
     },
   };
 
   AboutPage.updateOSVersionCallback = function(versionString) {
     AboutPage.getInstance().updateOSVersion_(versionString);
   };
 
+  AboutPage.updateOSFirmwareCallback = function(firmwareString) {
+    AboutPage.getInstance().updateOSFirmware_(firmwareString);
+  };
+
   AboutPage.updateStatusCallback = function(message, insertDelay) {
     AboutPage.getInstance().updateStatus_(message, insertDelay);
   };
 
   AboutPage.updateEnableCallback = function(enable) {
     AboutPage.getInstance().updateEnable_(enable);
   };
 
   AboutPage.updateSelectedOptionCallback = function(value) {
     AboutPage.getInstance().updateSelectedOption_(value);
   };
 
   AboutPage.setUpdateImage = function(state) {
     $('updateIcon').className= 'update-icon ' + state;
   };
 
   AboutPage.changeToRestartButton = function() {
     AboutPage.getInstance().changeToRestartButton_();
   };
 
   // Export
   return {
     AboutPage: AboutPage
   };
 
 });