Show ChromeOS bios firmware in about dialog.

chrome/browser/resources/options/about_page.js

Index: chrome/browser/resources/options/about_page.js
===================================================================
--- chrome/browser/resources/options/about_page.js	(revision 82505)
+++ chrome/browser/resources/options/about_page.js	(working copy)
@@ -77,6 +77,11 @@
       $('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.
@@ -176,6 +181,10 @@
     AboutPage.getInstance().updateOSVersion_(versionString);
   };
 
+  AboutPage.updateOSFirmwareCallback = function(firmwareString) {
+    AboutPage.getInstance().updateOSFirmware_(firmwareString);
+  };
+
   AboutPage.updateStatusCallback = function(message, insertDelay) {
     AboutPage.getInstance().updateStatus_(message, insertDelay);
   };