In cases of SSL error page due to HSTS, explain why the user cannot proceed.

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 7557 matching lines @@
         You should not proceed, &lt;strong&gt;especially&lt;/strong&gt; if you have never seen this warning before for this site.
       </message>
 
       <!-- SSL Error Page -->
       <message name="IDS_SSL_ERROR_PAGE_TITLE" desc="The title of the SSL error page.">
         Security Error
       </message>
       <message name="IDS_SSL_ERROR_PAGE_BACK" desc="Back button text of the SSL error page.">
         Back
       </message>
+      <message name="IDS_SSL_ERROR_PAGE_CANNOT_PROCEED" desc="Message advising the user that they cannot proceed past the SSL error page.">
+        You cannot proceed because the website operator has requested heightened security for this domain.
+      </message>
 
       <!-- Misc strings for SSL UI -->
       <message name="IDS_UNSAFE_FRAME_MESSAGE" desc="The text displayed in the content that is subsituted to an unsafe frame.">
         This frame was blocked because it contains some insecure content.
       </message>
 
       <!-- SSL client authentication certificate selection dialog -->
       <message name="IDS_CLIENT_CERT_DIALOG_TITLE" desc="The title of the dialog that prompts for a certificate when doing SSL client authentication.">
         Select a certificate
       </message>
@@ skipping 7339 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>