About page should not automatically trigger OS updates

chrome/app/chromeos_strings.grdp

 <?xml version="1.0" encoding="utf-8"?>
 <!-- ChromeOS-specific strings (included from generated_resources.grd).
      Everything in this file is wrapped in <if expr="chromeos">. -->
 <grit-part>
   <message name="IDS_EMPTY_STRING" desc="Empty string, exist only to make code generic. No translation required.">
   </message>
   <message name="IDS_CHROMEBOOK" desc="The localized name for Chromebook.">
     Chromebook
   </message>
   <message name="IDS_CHROMEBOX" desc="The localized name for Chromebox">
@@ skipping 5065 matching lines @@
     Kiosk application could not be downloaded.
   </message>
   <message name="IDS_KIOSK_APP_ERROR_UNABLE_TO_LAUNCH" desc="Error message used when a kiosk app fails to launch due to app launching failure.">
     Kiosk application could not be launched.
   </message>
   <message name="IDS_KIOSK_APP_ERROR_USER_CANCEL" desc="Error message used when a kiosk app launch is canceled by user.">
     Kiosk application launch canceled.
   </message>
 
   <!-- About Chrome page -->
+  <message name="IDS_UPGRADE_BUTTON" desc="The button label to check for updates and apply (download and install) if found">
+    Check for and apply updates
+  </message>
   <message name="IDS_UPGRADE_OFFLINE" desc="Status label: Currently offline">
     You are currently offline.
   </message>
   <message name="IDS_UPGRADE_DISALLOWED" desc="Status label: Upgrade disallowed for the current network">
     You are currently connected to the <ph name="NETWORK_TYPE">$1<ex>cellular</ex></ph> network.
   </message>
   <message name="IDS_UPGRADE_NETWORK_LIST_CELLULAR_ALLOWED" desc="Status label: for updates you need to connect to an Ethernet, Wi-Fi or mobile data">
     To check for updates, please use Ethernet, Wi-Fi or mobile data.
   </message>
   <message name="IDS_UPGRADE_NETWORK_LIST_CELLULAR_DISALLOWED" desc="Status label: for updates you need to connect to an Ethernet or Wi-Fi">
@@ skipping 656 matching lines @@
   <message name="IDS_SET_TIME_BUTTON_CLOSE" desc="Text for the button to close the window.">
     Done
   </message>
   <message name="IDS_SET_TIME_DATE_LABEL" desc="Label for the date input element.">
     System date
   </message>
   <message name="IDS_SET_TIME_TIME_LABEL" desc="Label for the time input element.">
     System time
   </message>
 </grit-part>