Make the theme install infobar have an 'undo' button instead of

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. -->
 
 <grit base_dir="." latest_public_release="0" current_release="1"
       source_lang_id="en" enc_check="möl">
   <outputs>
     <output filename="grit/generated_resources.h" type="rc_header">
       <emit emit_type='prepend'></emit>
@@ skipping 2061 matching lines @@
         Restart
       </message>
       <message name="IDS_EXTENSION_CRASHED_INFOBAR_MESSAGE" desc="Message displayed on the extension crashed infobar.">
         The following extension has crashed : <ph name="EXTENSION_NAME">$1<ex>Buildbot Monitor</ex></ph>
           </message>
 
       <!-- Theme preview info bar -->
       <message name="IDS_THEME_INSTALL_INFOBAR_LABEL" desc="Text displayed on an infobar when a theme has been installed.">
         Installed theme "<ph name="THEME_NAME">$1<ex>Snowflake Theme</ex></ph>"
       </message>
-      <message name="IDS_THEME_INSTALL_INFOBAR_UNDO_BUTTON" desc="Text displayed on the button to undo a theme installation and go back to the default theme.">
-        Back to default
+      <message name="IDS_THEME_INSTALL_INFOBAR_UNDO_BUTTON" desc="Text displayed on the button to undo a theme installation and go back to the previous theme.">
+        Undo

[Glen Murphy, 2009/08/11 17:01:56]

String freeze was a few weeks ago; I know it's a hack, but if we want this patch
for stable, can we use IDS_UNDO (or any of the others) instead?

       </message>
       
       <!-- Extesion install prompt -->
       <message name="IDS_EXTENSION_PROMPT_TITLE" desc="Titlebar of the extension installation prompt window">
         Confirm Installation
       </message>
       <message name="IDS_EXTENSION_PROMPT_HEADING" desc="First bold line in the content area of the extension installation prompt. Asks the user if they want to install a particular extension.">
         Install "<ph name="EXTENSION_NAME">$1<ex>Gmail Checker</ex></ph>"?
       </message>
       <message name="IDS_EXTENSION_PROMPT_WARNING_1" desc="Humorous warning displayed in the extension install prompt that tells users that extensions have access to their computer and private data.">
@@ skipping 2591 matching lines @@
     <message name="IDS_OPEN_FILES_DIALOG_TITLE" desc="The default title for the Open File file chooser dialog (multiple files).">
       Open Files
     </message>
 
     <message translateable="false" name="IDS_GLEN" desc="Glen">
       Glen
     </message>
     </messages>
   </release>
 </grit>