Remove the "snionly" concept from the HSTS preload.

net/socket/ssl_client_socket_openssl.cc

Index: net/socket/ssl_client_socket_openssl.cc
diff --git a/net/socket/ssl_client_socket_openssl.cc b/net/socket/ssl_client_socket_openssl.cc
index 2e011d97997d551dc780eded34b235bd7440278f..da23c1d6576f854ac14e941680e3ba636069d003 100644
--- a/net/socket/ssl_client_socket_openssl.cc
+++ b/net/socket/ssl_client_socket_openssl.cc
@@ -1100,15 +1100,12 @@ int SSLClientSocketOpenSSL::DoVerifyCertComplete(int result) {
     }
   }
 
-  bool sni_available = ssl_config_.version_max >= SSL_PROTOCOL_VERSION_TLS1 ||
-                       ssl_config_.version_fallback;
   const CertStatus cert_status = server_cert_verify_result_.cert_status;
   if (transport_security_state_ &&
       (result == OK ||
        (IsCertificateError(result) && IsCertStatusMinorError(cert_status))) &&
       !transport_security_state_->CheckPublicKeyPins(
           host_and_port_.host(),
-          sni_available,
           server_cert_verify_result_.is_issued_by_known_root,
           server_cert_verify_result_.public_key_hashes,
           &pinning_failure_log_)) {