Add new functions to handle UPN and email addresses

net/cert/x509_util_nss.h

Index: net/cert/x509_util_nss.h
diff --git a/net/cert/x509_util_nss.h b/net/cert/x509_util_nss.h
index 55e562effbab95875f4fb9cd76099c0977d8a83b..0b8e8370e8dc2fc1e3a09457d5ab9acbf03f0b81 100644
--- a/net/cert/x509_util_nss.h
+++ b/net/cert/x509_util_nss.h
@@ -45,6 +45,11 @@ void GetSubjectAltName(CERTCertificate* cert_handle,
                        std::vector<std::string>* dns_names,
                        std::vector<std::string>* ip_addrs);
 
+// Filters subjectAltName list by type.
+void GetSubjectAltName(CERTCertificate* cert_handle,
+                       X509Certificate::SubjectAltNameType type,
+                       std::vector<std::string>* names);
+
 // Creates all possible OS certificate handles from |data| encoded in a specific
 // |format|. Returns an empty collection on failure.
 X509Certificate::OSCertHandles CreateOSCertHandlesFromBytes(