Pass through installer errors from Google Update to the About box.

chrome/app/generated_resources.grd

 <?xml version="1.0" encoding="UTF-8"?>
 
 <!--
 This file contains definitions of resources that will be translated for each
 locale.  The variables is_win, is_macosx, is_linux, and is_posix are available
 for making strings OS specific.  Other platform defines such as use_titlecase
 are declared in build/common.gypi.
 -->
 
 <grit base_dir="." latest_public_release="0" current_release="1"
@@ skipping 5080 matching lines @@
         The page at <ph name="SITE">$1<ex>http://www.google.com</ex> says:
         </ph>
       </message>
       <message name="IDS_JAVASCRIPT_MESSAGEBOX_TITLE" desc="Title for Javascript prompt and confirm originating from a webpage">
         The page at <ph name="SITE">$1<ex>http://www.google.com</ex></ph> says:
       </message>
       <message name="IDS_JAVASCRIPT_MESSAGEBOX_SUPPRESS_OPTION" desc="Optional UI shown on the message box, in the form of a checkbox, allowing the user to suppress additional message boxes from the page.">
         Prevent this page from creating additional dialogs.
       </message>
 
+      <!-- About box strings -->
+      <message name="IDS_ABOUT_BOX_ERROR_DURING_UPDATE_CHECK" desc="The error label for errors that occurred while checking for updates in the About box.">
+        An error occurred while checking for updates: <ph name="ERROR">$1<ex>Unable to contact Google Update</ex></ph>
+      </message>
+      <message name="IDS_ABOUT_BOX_ERROR_COCREATE_FAILED" desc="The error message for the specific case when we cannot contact Google Update">
+        Unable to contact Google Update.
+      </message>
+
       <!-- "Before Unload" Dialog Box strings -->
       <message name="IDS_BEFOREUNLOAD_MESSAGEBOX_TITLE" desc="Title for the 'before unload' dialog.">
         Confirm Navigation
       </message>
       <message name="IDS_BEFOREUNLOAD_MESSAGEBOX_FOOTER" desc="Text shown at the bottom of the dialog, after the message provided by the script.">
         Are you sure you want to leave this page?
       </message>
       <message name="IDS_BEFOREUNLOAD_MESSAGEBOX_OK_BUTTON_LABEL" desc="The text on the button which navigates the user away from the page.">
         Leave this Page
       </message>
@@ skipping 9370 matching lines @@
     </messages>
     <structures fallback_to_english="true">
       <!-- Make sure these stay in sync with the structures in generated_resources.grd. -->
       <structure name="IDD_CHROME_FRAME_FIND_DIALOG" file="cf_resources.rc" type="dialog" >
       </structure>
       <structure name="IDD_CHROME_FRAME_READY_PROMPT" file="cf_resources.rc" type="dialog" >
       </structure>
     </structures>
   </release>
 </grit>