Update the text for the Page Info bubble for internal pages.

chrome/app/google_chrome_strings.grd

 <?xml version="1.0" encoding="UTF-8"?>
 <!-- This file contains definitions of strings that are specific to
 Google Chrome. These strings will be translated for each locale that Google
 Chrome supports. -->
 
 <grit base_dir="." latest_public_release="0" current_release="1"
       source_lang_id="en" enc_check="möl">
   <outputs>
     <output filename="grit/google_chrome_strings.h" type="rc_header">
       <emit emit_type='prepend'></emit>
@@ skipping 509 matching lines @@
       </message>
       <message name="IDS_CONFLICTS_CHECK_WARNING_SUSPECTED" desc="Warning label on the compatibility page">
         A module with the same name has been known to conflict with Google Chrome.
       </message>
       <!-- chrome://crashes strings -->
       <message name="IDS_CRASHES_DISABLED_MESSAGE" desc="The explanatory message for chrome://crashes when crash reporting is disabled">
         This page only shows information on your recent crashes if you <ph name="BEGIN_LINK">&lt;a href="https://www.google.com/support/chrome/bin/answer.py?answer=96817"&gt;</ph>enable crash reporting<ph name="END_LINK">&lt;/a&gt;</ph>.
       </message>
       <!-- Page Info bubble -->
       <message name="IDS_PAGE_INFO_INTERNAL_PAGE" desc="Message to display in the page info bubble when the page you are on is a chrome:// page or about:something.">
-        This page was generated by Google Chrome.
+        You are viewing a secure Google Chrome page.
       </message>
       <!-- Print Preview -->
       <message name="IDS_PRINT_PREVIEW_NO_PLUGIN" desc="Message to display when the PDF viewer is missing.">
         Google Chrome cannot show the print preview when the built-in PDF viewer is disabled. In order to see the preview, please visit <ph name="BEGIN_LINK">&lt;a target="_blank" rel="noreferrer" href="$1"&gt;</ph>$1<ph name="END_LINK">&lt;/a&gt;</ph>, enable the "Chrome PDF Viewer", and try again.
       </message>
       <message name="IDS_PRINT_PREVIEW_NATIVE_DIALOG" desc="Option offering the user to open the native print dialog, displayed when the PDF viewer is missing.">
         Launch native print dialog
       </message>
 
       <if expr="os == 'darwin'">
@@ skipping 29 matching lines @@
         <message name="IDS_UTILITY_APP_NAME" desc="The utility application's name.  Should contain the Chrome application name (IDS_PRODUCT_NAME). Example: Google Chrome Utility.">
           Google Chrome Utility
         </message>
         <message name="IDS_SHORT_UTILITY_APP_NAME" desc="The utility application's short name, used for the Mac's application menu, activity monitor, etc. Example: Chrome Utility, not Google Chrome Utility.">
           Chrome Utility
         </message>
       </if>
     </messages>
   </release>
 </grit>