Remove OnPacketRetransmitted from QuicConnectionDebugVisitor.

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 084460f4d4c07810f24233a19cc1f1dc1cfd16f9..ffe08477c6ae34fdcfe7985d14da0c5bde6a2ca5 100644
--- a/net/quic/quic_connection.h
+++ b/net/quic/quic_connection.h
@@ -125,17 +125,12 @@ class NET_EXPORT_PRIVATE QuicConnectionDebugVisitor
 
   // Called when a packet has been sent.
   virtual void OnPacketSent(QuicPacketSequenceNumber sequence_number,
+                            QuicPacketSequenceNumber original_sequence_number,
                             EncryptionLevel level,
                             TransmissionType transmission_type,
                             const QuicEncryptedPacket& packet,
                             WriteResult result) {}
 
-  // Called when the contents of a packet have been retransmitted as
-  // a new packet.
-  virtual void OnPacketRetransmitted(
-      QuicPacketSequenceNumber old_sequence_number,
-      QuicPacketSequenceNumber new_sequence_number) {}
-
   // Called when a packet has been received, but before it is
   // validated or parsed.
   virtual void OnPacketReceived(const IPEndPoint& self_address,