Mark SHA-1 as deprecated

chrome/app/chromium_strings.grd

 <?xml version="1.0" encoding="UTF-8"?>
 <!-- This file contains definitions of strings that are distribution specific.
 These strings will not be translated and only english versions will
 be available for now. -->
 
 <grit base_dir="." latest_public_release="0" current_release="1"
       source_lang_id="en" enc_check="möl">
   <outputs>
     <output filename="grit/chromium_strings.h" type="rc_header">
       <emit emit_type='prepend'></emit>
@@ skipping 595 matching lines @@
         </message>
       </if>
       <!-- chrome://crashes strings -->
       <message name="IDS_CRASHES_DISABLED_MESSAGE" desc="The explanatory message for chrome://crashes when crash reporting is disabled">
         Crash reporting is not available in Chromium.
       </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.">
         You are viewing a secure Chromium page.
       </message>
+      <message name="IDS_PAGE_INFO_SECURITY_TAB_DEPRECATED_SIGNATURE_ALGORITHM" desc="The text of the identity section when the site is using a certificate that will stop working in future versions of Chrome.">
+        The site is using outdated security settings that may prevent future versions of Chromium from being able to safely access it.
+      </message>
+
       <!-- Print Preview -->
       <message name="IDS_PRINT_PREVIEW_NO_PLUGIN" desc="Message to display when the PDF viewer is missing.">
         Chromium does not include the PDF viewer which is required for Print Preview to function.
       </message>
 
       <!-- Download Shelf Items -->
       <message name="IDS_DOWNLOAD_STATUS_CRX_INSTALL_RUNNING"
                desc="Message shown when a CRX has been downloaded and is being unpacked.">
         Adding to Chromium...
       </message>
@@ skipping 687 matching lines @@
           Chromium updates automatically so you always have the freshest version. When this download completes, Chromium will restart and you'll be on your way.
         </message>
         <message name="IDS_EULA_SCREEN_ACCESSIBLE_TITLE" desc="Title to be spoken on opening the OOBE EULA screen">
           Chromium OS terms
         </message>
       </if>
 
     </messages>
   </release>
 </grit>