Display the error code when certificates fail to add

chrome/app/generated_resources.grd

Index: chrome/app/generated_resources.grd
diff --git a/chrome/app/generated_resources.grd b/chrome/app/generated_resources.grd
index 2f01bd6b023993caba8f41396738a937a014250b..25dd4c16317888f79ab5088570d6a0f60da3452c 100644
--- a/chrome/app/generated_resources.grd
+++ b/chrome/app/generated_resources.grd
@@ -3095,10 +3095,10 @@ each locale. -->
         Client Certificate Error
       </message>
       <message name="IDS_ADD_CERT_ERR_INVALID_CERT" desc="Error message when the server returns an invalid client certificate after key generation">
-        The server returned an invalid client certificate.
+        The server returned an invalid client certificate. Error <ph name="ERROR_number">$1<ex>207</ex></ph> (<ph name="ERROR_NAME">$2<ex>net::ERR_CERT_INVALID</ex></ph>).
       </message>
       <message name="IDS_ADD_CERT_ERR_FAILED" desc="Generic error message for a failure to add the generated certificate to the cert store/keychain">
-        There was an error while trying to store the client certificate.
+        There was an error while trying to store the client certificate. Error <ph name="ERROR_number">$1<ex>207</ex></ph> (<ph name="ERROR_NAME">$2<ex>net::ERR_CERT_INVALID</ex></ph>).
       </message>
 
       <!-- Basic Auth Dialog -->