Break out the basic reliable QUIC stream functionality from the

net/quic/test_tools/reliable_quic_stream_peer.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/quic/test_tools/reliable_quic_stream_peer.h"
 
 #include "net/quic/reliable_quic_stream.h"
 
 namespace net {
 namespace test {
 
 // static
 void ReliableQuicStreamPeer::SetWriteSideClosed(bool value,
                                                 ReliableQuicStream* stream) {
   stream->write_side_closed_ = value;
 }
 
 // static
 void ReliableQuicStreamPeer::SetStreamBytesWritten(
     QuicStreamOffset stream_bytes_written,
     ReliableQuicStream* stream) {
   stream->stream_bytes_written_ = stream_bytes_written;
 }
 
-void ReliableQuicStreamPeer::SetHeadersDecompressed(
-    ReliableQuicStream* stream,
-    bool headers_decompressed) {
-  stream->headers_decompressed_ = headers_decompressed;
-}
-
 }  // namespace test
 }  // namespace net