Add a CERT_RDN_ENCODED_BLOB case to CertSubjectCommonNameHasNull...

net/base/x509_certificate_win.cc

Index: net/base/x509_certificate_win.cc
===================================================================
--- net/base/x509_certificate_win.cc	(revision 29830)
+++ net/base/x509_certificate_win.cc	(working copy)
@@ -204,6 +204,12 @@
         PCERT_RDN_ATTR rdn_attr = &rdn->rgRDNAttr[j];
         if (strcmp(rdn_attr->pszObjId, szOID_COMMON_NAME) == 0) {
           switch (rdn_attr->dwValueType) {
+            // After the CryptoAPI ASN.1 security vulnerabilities described in
+            // http://www.microsoft.com/technet/security/Bulletin/MS09-056.mspx
+            // were patched, we get CERT_RDN_ENCODED_BLOB for a common name
+            // that contains a NULL character.
+            case CERT_RDN_ENCODED_BLOB:
+              break;
             // Array of 8-bit characters.
             case CERT_RDN_PRINTABLE_STRING:
             case CERT_RDN_TELETEX_STRING: