QUIC - refactor in preparation for two streams per HTTP transaction.

net/quic/core/quic_spdy_stream.cc

 // Copyright 2013 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/core/quic_spdy_stream.h"
 
 #include <utility>
 
 #include "base/logging.h"
 #include "base/strings/string_number_conversions.h"
@@ skipping 316 matching lines @@
   spdy_session_ = nullptr;
 }
 
 QuicConsumedData QuicSpdyStream::WritevDataInner(
     QuicIOVector iov,
     QuicStreamOffset offset,
     bool fin,
     QuicReferenceCountedPointer<QuicAckListenerInterface> ack_listener) {
   if (spdy_session_->headers_stream() != nullptr &&
       spdy_session_->force_hol_blocking()) {
-    return spdy_session_->headers_stream()->WritevStreamData(
-        id(), iov, offset, fin, std::move(ack_listener));
+    return spdy_session_->WritevStreamData(id(), iov, offset, fin,
+                                           std::move(ack_listener));
   }
   return QuicStream::WritevDataInner(iov, offset, fin, std::move(ack_listener));
 }
 
 }  // namespace net