Break out the basic reliable QUIC stream functionality from the

net/tools/quic/quic_spdy_server_stream.cc

 // 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.
 
 #include "net/tools/quic/quic_spdy_server_stream.h"
 
 #include "base/memory/singleton.h"
 #include "net/quic/quic_session.h"
 #include "net/spdy/spdy_framer.h"
 #include "net/tools/quic/quic_in_memory_cache.h"
 #include "net/tools/quic/spdy_utils.h"
 
 using base::StringPiece;
 using std::string;
 
 namespace net {
 namespace tools {
 
 static const size_t kHeaderBufInitialSize = 4096;
 
 QuicSpdyServerStream::QuicSpdyServerStream(QuicStreamId id,
                                            QuicSession* session)
-    : ReliableQuicStream(id, session),
+    : QuicDataStream(id, session),
       read_buf_(new GrowableIOBuffer()),
       request_headers_received_(false) {
 }
 
 QuicSpdyServerStream::~QuicSpdyServerStream() {
 }
 
 uint32 QuicSpdyServerStream::ProcessData(const char* data, uint32 length) {
   uint32 total_bytes_processed = 0;
 
@@ skipping 93 matching lines @@
   // We only support SPDY and HTTP, and neither handles bidirectional streaming.
   if (!read_side_closed()) {
     CloseReadSide();
   }
   SendHeaders(response_headers);
   WriteOrBufferData(data, true);
 }
 
 }  // namespace tools
 }  // namespace net