Add a version() convenience method to ReliableQuicStream.

net/quic/reliable_quic_stream.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.
 //
 // The base class for client/server reliable streams.
 
 #ifndef NET_QUIC_RELIABLE_QUIC_STREAM_H_
 #define NET_QUIC_RELIABLE_QUIC_STREAM_H_
 
 #include <sys/types.h>
@@ skipping 68 matching lines @@
 
   QuicRstStreamErrorCode stream_error() const { return stream_error_; }
   QuicErrorCode connection_error() const { return connection_error_; }
 
   bool read_side_closed() const { return read_side_closed_; }
   bool write_side_closed() const { return write_side_closed_; }
 
   uint64 stream_bytes_read() { return stream_bytes_read_; }
   uint64 stream_bytes_written() { return stream_bytes_written_; }
 
+  QuicVersion version();
+
  protected:
   // Sends as much of 'data' to the connection as the connection will consume,
   // and then buffers any remaining data in queued_data_.
   void WriteOrBufferData(base::StringPiece data, bool fin);
 
   // Sends as many bytes in the first |count| buffers of |iov| to the connection
   // as the connection will consume.
   // If |ack_notifier_delegate| is provided, then it will be notified once all
   // the ACKs for this write have been received.
   // Returns the number of bytes consumed by the connection.
@@ skipping 50 matching lines @@
 
   // True if the session this stream is running under is a server session.
   bool is_server_;
 
   DISALLOW_COPY_AND_ASSIGN(ReliableQuicStream);
 };
 
 }  // namespace net
 
 #endif  // NET_QUIC_RELIABLE_QUIC_STREAM_H_