Change parameter list of QuicConnection::OnConnectionClosed upcall

Parameter list was the individual fields of the Connection Close frame.
Now, the QuicConnectionCloseFrame is passed up. This object contains
all the parameters of the frame.

gfe-relnote: N/A, not flag protected. This change just rearranges function parameters.
PiperOrigin-RevId: 254406883
Change-Id: I6c11b7d7a09d5e765f385d8d54a56c02687e7894
diff --git a/quic/core/quic_session.h b/quic/core/quic_session.h
index 1efde28..5a0e9dd 100644
--- a/quic/core/quic_session.h
+++ b/quic/core/quic_session.h
@@ -105,8 +105,7 @@
   void OnMessageReceived(QuicStringPiece message) override;
   void OnWindowUpdateFrame(const QuicWindowUpdateFrame& frame) override;
   void OnBlockedFrame(const QuicBlockedFrame& frame) override;
-  void OnConnectionClosed(QuicErrorCode error,
-                          const std::string& error_details,
+  void OnConnectionClosed(const QuicConnectionCloseFrame& frame,
                           ConnectionCloseSource source) override;
   void OnWriteBlocked() override;
   void OnSuccessfulVersionNegotiation(