Further instrumentations of QuicStreamFactory::CreateSession to find janks

net/quic/quic_stream_factory.cc

Index: net/quic/quic_stream_factory.cc
diff --git a/net/quic/quic_stream_factory.cc b/net/quic/quic_stream_factory.cc
index c785ed68c72561a16fc7f3b31acd0bc4c2646d3e..0c78509af5c1895e5abf64d9a0ec27188208fb63 100644
--- a/net/quic/quic_stream_factory.cc
+++ b/net/quic/quic_stream_factory.cc
@@ -1108,6 +1108,11 @@ int QuicStreamFactory::CreateSession(
     server_info->Start();
   }
 
+  // TODO(vadimt): Remove ScopedTracker below once crbug.com/422516 is fixed.
+  tracked_objects::ScopedTracker tracking_profile6(
+      FROM_HERE_WITH_EXPLICIT_FUNCTION(
+          "422516 QuicStreamFactory::CreateSession61"));
+
   *session = new QuicClientSession(
       connection, socket.Pass(), this, transport_security_state_,
       server_info.Pass(), config,