Log QuicGoAwayFrames and QuicPingFrames, sent and received, in net log.

net/quic/quic_connection.h

Index: net/quic/quic_connection.h
diff --git a/net/quic/quic_connection.h b/net/quic/quic_connection.h
index 35de041591a1f8096956f09d38fa41625d228261..689d595efb7ccdfde7d1dd6471d4002dba49a83e 100644
--- a/net/quic/quic_connection.h
+++ b/net/quic/quic_connection.h
@@ -160,6 +160,9 @@ class NET_EXPORT_PRIVATE QuicConnectionDebugVisitor
   // Called when a Ping has been parsed.
   virtual void OnPingFrame(const QuicPingFrame& frame) {}
 
+  // Called when a GoAway has been parsed.
+  virtual void OnGoAwayFrame(const QuicGoAwayFrame& frame) {}
+
   // Called when a RstStreamFrame has been parsed.
   virtual void OnRstStreamFrame(const QuicRstStreamFrame& frame) {}