Groundwork for cancelling quartc streams after a deadline is exceeded.

net/quic/quartc/quartc_stream_interface.h

 // Copyright (c) 2017 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_QUARTC_QUARTC_STREAM_INTERFACE_H_
 #define NET_QUIC_QUARTC_QUARTC_STREAM_INTERFACE_H_
 
 #include <stddef.h>
 #include <stdint.h>
 
@@ skipping 10 matching lines @@
   // The QUIC stream ID.
   virtual uint32_t stream_id() = 0;
 
   // The amount of data buffered by the QuicConnection.
   virtual uint64_t buffered_amount() = 0;
 
   // Return true if the FIN has been sent. Used by the outgoing streams to
   // determine if all the data has been sent
   virtual bool fin_sent() = 0;
 
+  virtual int stream_error() = 0;
+
+  virtual int connection_error() = 0;
+
   struct WriteParameters {
     WriteParameters() : fin(false) {}
     // |fin| is set to be true when there is no more data need to be send
     // through a particular stream. The receiving side will used it to determine
     // if the sender finish sending data.
     bool fin;
   };
 
   // Sends data reliably and in-order, buffering if necessary until Close() is
   // called.
@@ skipping 13 matching lines @@
 
     // Called when the stream receives the date.
     virtual void OnReceived(QuartcStreamInterface* stream,
                             const char* data,
                             size_t size) = 0;
 
     // Called when the stream is closed, either locally or by the remote
     // endpoint.
     // TODO(zhihuang) Creates a map from the integer error_code to WebRTC native
     // error code.
-    virtual void OnClose(QuartcStreamInterface* stream, int error_code) = 0;
+    virtual void OnClose(QuartcStreamInterface* stream) = 0;
 
     // Called when buffered_amount() decreases.
     virtual void OnBufferedAmountDecrease(QuartcStreamInterface* stream) = 0;
   };
 
   // The |delegate| is not owned by QuartcStream.
   virtual void SetDelegate(Delegate* delegate) = 0;
 };
 
 }  // namespace net
 
 #endif  // NET_QUIC_QUARTC_QUARTC_STREAM_INTERFACE_H_