Collect all ConnectionAttempts from both sockets in TransportConnectJob.

net/socket/ssl_client_socket_nss.cc

Index: net/socket/ssl_client_socket_nss.cc
diff --git a/net/socket/ssl_client_socket_nss.cc b/net/socket/ssl_client_socket_nss.cc
index c9082bee6831205b3506e29e89b2d0cfe2e66073..6b7c2c54d652bb71925b9f1ee4a5193f1efc3f3c 100644
--- a/net/socket/ssl_client_socket_nss.cc
+++ b/net/socket/ssl_client_socket_nss.cc
@@ -2496,6 +2496,10 @@ bool SSLClientSocketNSS::GetSSLInfo(SSLInfo* ssl_info) {
   return true;
 }
 
+void SSLClientSocketNSS::GetConnectionAttempts(ConnectionAttempts* out) const {
+  out->clear();
+}
+
 void SSLClientSocketNSS::GetSSLCertRequestInfo(
     SSLCertRequestInfo* cert_request_info) {
   EnterFunction("");