Add new functions to handle UPN and email addresses

net/cert/x509_certificate_nss.cc

Index: net/cert/x509_certificate_nss.cc
diff --git a/net/cert/x509_certificate_nss.cc b/net/cert/x509_certificate_nss.cc
index 14c8889eb2018e62207824b53ad9f276f0724481..c0cd7bdd72207af680f4975ca5ba9a3a863f2539 100644
--- a/net/cert/x509_certificate_nss.cc
+++ b/net/cert/x509_certificate_nss.cc
@@ -121,6 +121,11 @@ void X509Certificate::GetSubjectAltName(
   x509_util::GetSubjectAltName(cert_handle_, dns_names, ip_addrs);
 }
 
+void X509Certificate::GetSubjectAltName(SubjectAltNameType type,
+                                        std::vector<std::string>* names) const {
+  x509_util::GetSubjectAltName(cert_handle_, type, names);
+}
+
 bool X509Certificate::IsIssuedByEncoded(
     const std::vector<std::string>& valid_issuers) {
   // Get certificate chain as scoped list of CERTCertificate objects.