Connection level flow control (CLFC) accounting on receipt of FIN/RST

net/quic/quic_session.h

Index: net/quic/quic_session.h
diff --git a/net/quic/quic_session.h b/net/quic/quic_session.h
index b9ce0de5072b8dbdb66a6c98c11ec20bbec404da..90b1e0d7d8b7672732dd1cf2dec1d18a4103ac0d 100644
--- a/net/quic/quic_session.h
+++ b/net/quic/quic_session.h
@@ -262,6 +262,18 @@ class NET_EXPORT_PRIVATE QuicSession : public QuicConnectionVisitorInterface {
   // then the stream has been reset by this endpoint, not by the peer.
   void CloseStreamInner(QuicStreamId stream_id, bool locally_reset);
 
+  // When a stream is closed locally, it may not yet know how many bytes the
+  // peer sent on that stream.
+  // When this data arrives (via stream frame w. FIN, or RST) this method
+  // is called, and correctly updates the connection level flow controller.
+  void UpdateFlowControlOnFinalReceivedByteOffset(
+      QuicStreamId id, QuicStreamOffset final_byte_offset);
+
+  // Keep track of highest received byte offset of locally closed streams, while
+  // waiting for a definitive final highest offset from the peer.
+  std::map<QuicStreamId, QuicStreamOffset>
+      locally_closed_streams_highest_offset_;
+
   scoped_ptr<QuicConnection> connection_;
 
   scoped_ptr<QuicHeadersStream> headers_stream_;