If the stream is being closed locally (for example in the case of a

net/quic/quic_protocol.h

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef NET_QUIC_QUIC_PROTOCOL_H_
 #define NET_QUIC_QUIC_PROTOCOL_H_
 
 #include <stddef.h>
 #include <limits>
 #include <map>
@@ skipping 261 matching lines @@
   QUIC_SERVER_ERROR_PROCESSING_STREAM,
   // We got two fin or reset offsets which did not match.
   QUIC_MULTIPLE_TERMINATION_OFFSETS,
   // We got bad payload and can not respond to it at the protocol level.
   QUIC_BAD_APPLICATION_PAYLOAD,
   // Stream closed due to connection error. No reset frame is sent when this
   // happens.
   QUIC_STREAM_CONNECTION_ERROR,
   // GoAway frame sent. No more stream can be created.
   QUIC_STREAM_PEER_GOING_AWAY,
+  // The stream has been cancelled.
+  QUIC_STREAM_CANCELLED,
 
   // No error. Used as bound while iterating.
   QUIC_STREAM_LAST_ERROR,
 };
 
 // These values must remain stable as they are uploaded to UMA histograms.
 // To add a new error code, use the current value of QUIC_LAST_ERROR and
 // increment QUIC_LAST_ERROR.
 enum QuicErrorCode {
   QUIC_NO_ERROR = 0,
@@ skipping 562 matching lines @@
   NET_EXPORT_PRIVATE friend std::ostream& operator<<(
       std::ostream& os, const QuicConsumedData& s);
 
   size_t bytes_consumed;
   bool fin_consumed;
 };
 
 }  // namespace net
 
 #endif  // NET_QUIC_QUIC_PROTOCOL_H_