Add more information to QUIC close connection detail about QUIC_OVERLAPPING_STREAM_DATA.

net/quic/reliable_quic_stream.h

Index: net/quic/reliable_quic_stream.h
diff --git a/net/quic/reliable_quic_stream.h b/net/quic/reliable_quic_stream.h
index 8171726a514a632288ed0694f52090a4207746aa..da320363d3620408d7d60ad4b6db821b7e96c2b3 100644
--- a/net/quic/reliable_quic_stream.h
+++ b/net/quic/reliable_quic_stream.h
@@ -169,6 +169,9 @@ class NET_EXPORT_PRIVATE ReliableQuicStream {
   // stop sending stream-level flow-control updates when this end sends FIN.
   virtual void StopReading();
 
+  // Get peer IP of the lastest packet which connection is dealing/delt with.
+  virtual const IPEndPoint& PeerAddressOfLatestPacket() const;
+
  protected:
   // Sends as much of 'data' to the connection as the connection will consume,
   // and then buffers any remaining data in queued_data_.