Allowing the SimpleQuicBackend to send an early response. Test-only change.

net/quic/core/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.
 
 // It does not contain the entire interface needed by an application to interact
 // with a QUIC stream.  Some parts of the interface must be obtained by
 // accessing the owning session object.  A subclass of ReliableQuicStream
 // connects the object and the application that generates and consumes the data
@@ skipping 58 matching lines @@
   // peer.
   virtual void OnStreamReset(const QuicRstStreamFrame& frame);
 
   // Called by the session when the endpoint receives or sends a connection
   // close, and should immediately close the stream.
   virtual void OnConnectionClosed(QuicErrorCode error,
                                   ConnectionCloseSource source);
 
   // Called by the stream subclass after it has consumed the final incoming
   // data.
-  void OnFinRead();
+  virtual void OnFinRead();
 
   // Called when new data is available from the sequencer.  Subclasses must
   // actively retrieve the data using the sequencer's Readv() or
   // GetReadableRegions() method.
   virtual void OnDataAvailable() = 0;
 
   // Called by the subclass or the sequencer to reset the stream from this
   // end.
   virtual void Reset(QuicRstStreamErrorCode error);
 
@@ skipping 222 matching lines @@
 
   // For debugging only, used for busy loop check.
   size_t busy_counter_;
 
   DISALLOW_COPY_AND_ASSIGN(ReliableQuicStream);
 };
 
 }  // namespace net
 
 #endif  // NET_QUIC_RELIABLE_QUIC_STREAM_H_