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 4d907510759cdc8f3b3b9d52fad75b0fe4c11cff..229735ba9a5774c5435b913040726752f8e8531a 100644
--- a/net/socket/ssl_client_socket_nss.cc
+++ b/net/socket/ssl_client_socket_nss.cc
@@ -2491,6 +2491,10 @@ bool SSLClientSocketNSS::GetSSLInfo(SSLInfo* ssl_info) {
   return true;
 }
 
+void SSLClientSocketNSS::GetConnectionAttempts(ConnectionAttempts* out) const {
+  out->clear();
+}
+
 void SSLClientSocketNSS::GetSSLCertRequestInfo(
     SSLCertRequestInfo* cert_request_info) {
   EnterFunction("");