Add a DevTools warning for a missing subjectAltName

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 822102fe153c3c0b89402e87cbc36809bae2522b..baa0a5953c4a9c77088d8da17ed9be653057e5c3 100644
--- a/net/cert/x509_certificate_nss.cc
+++ b/net/cert/x509_certificate_nss.cc
@@ -88,10 +88,10 @@ std::string X509Certificate::GetDefaultNickname(CertType type) const {
   return result;
 }
 
-void X509Certificate::GetSubjectAltName(
+bool X509Certificate::GetSubjectAltName(
     std::vector<std::string>* dns_names,
     std::vector<std::string>* ip_addrs) const {
-  x509_util::GetSubjectAltName(cert_handle_, dns_names, ip_addrs);
+  return x509_util::GetSubjectAltName(cert_handle_, dns_names, ip_addrs);
 }
 
 bool X509Certificate::IsIssuedByEncoded(