Show these three cert errors as warnings, not errors (as requested by Ian):...

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 5463 matching lines @@
         <ph name="CITY">$1<ex>Mountain View</ex></ph>, <ph name="STATE">$2<ex>California</ex></ph> <ph name="COUNTRY">$3<ex>USA</ex></ph>
       </message>
 
       <message name="IDS_PAGEINFO_PARTIAL_ADDRESS" desc="Locality with missing state as reported in the EV identity text.">
         <ph name="CITY">$1<ex>Mountain View</ex></ph>, <ph name="COUNTRY">$2<ex>US</ex></ph>
       </message>
 
       <message name="IDS_PAGE_INFO_SECURITY_TAB_SECURE_IDENTITY_EV" desc="The text of the identity section when the page is secured with an EV cert.">
         The identity of <ph name="ORGANIZATION">$1<ex>Google</ex></ph> at <ph name="LOCALITY">$2<ex>Mountain View, CA US</ex></ph> has been verified by <ph name="ISSUER">$3<ex>VeriSign</ex></ph>.
       </message>
-
       <message name="IDS_PAGE_INFO_SECURITY_TAB_UNKNOWN_PARTY" desc="The default name used when we did not find a principal name.">
         unknown name
       </message>
       <message name="IDS_PAGE_INFO_SECURITY_TAB_INSECURE_IDENTITY" desc="The text of the identity section when the page is not secure.">
         The identity of this website has not been verified.
       </message>
+
+      <message name="IDS_PAGE_INFO_SECURITY_TAB_UNABLE_TO_CHECK_REVOCATION" desc="The text of the identity section when we were unable to check if the certificate has been revoked.">
+        Unable to check whether the certificate has been revoked.
+      </message>
+      <message name="IDS_PAGE_INFO_SECURITY_TAB_NO_REVOCATION_MECHANISM" desc="The text of the identity section when there is no certificate revocation mechanism.">
+        The certificate does not specify a mechanism to check whether it has been revoked.
+      </message>
       <message name="IDS_PAGE_INFO_SECURITY_TAB_CONNECTION_TITLE" desc="The name of the connection section.">
         Connection
       </message>
       <message name="IDS_PAGE_INFO_SECURITY_TAB_ENCRYPTED_CONNECTION_TEXT" desc="The text of the connection section when the connection is encrypted.">
         Your connection to <ph name="DOMAIN">$1<ex>www.google.com</ex></ph> is encrypted with <ph name="BIT_COUNT">$2<ex>128</ex></ph>-bit encryption.
       </message>
       <message name="IDS_PAGE_INFO_SECURITY_TAB_WEAK_ENCRYPTION_CONNECTION_TEXT" desc="The text of the connection section when the connection uses weak encryption.">
         Your connection to <ph name="DOMAIN">$1<ex>www.google.com</ex></ph> is encrypted with weak encryption.
       </message>
       <message name="IDS_PAGE_INFO_SECURITY_TAB_NOT_ENCRYPTED_CONNECTION_TEXT" desc="The text of the connection section when the connection is not encrypted.">
@@ skipping 4102 matching lines @@
 
     </messages>
 
     <structures fallback_to_english="true">
       <structure name="IDD_CHROME_FRAME_FIND_DIALOG" file="cf_resources.rc" type="dialog" >
       </structure>
     </structures>
 
   </release>
 </grit>