Update from https://crrev.com/312398

net/quic/quic_data_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/quic_data_stream.h"
 
 #include "base/logging.h"
 #include "net/quic/quic_session.h"
 #include "net/quic/quic_utils.h"
 #include "net/quic/quic_write_blocked_list.h"
@@ skipping 30 matching lines @@
 }
 
 QuicDataStream::~QuicDataStream() {
 }
 
 size_t QuicDataStream::WriteHeaders(
     const SpdyHeaderBlock& header_block,
     bool fin,
     QuicAckNotifier::DelegateInterface* ack_notifier_delegate) {
   size_t bytes_written = session()->WriteHeaders(
-      id(), header_block, fin, ack_notifier_delegate);
+      id(), header_block, fin, priority_, ack_notifier_delegate);
   if (fin) {
     // TODO(rch): Add test to ensure fin_sent_ is set whenever a fin is sent.
     set_fin_sent(true);
     CloseWriteSide();
   }
   return bytes_written;
 }
 
 size_t QuicDataStream::Readv(const struct iovec* iov, size_t iov_len) {
   if (FinishedReadingHeaders()) {
@@ skipping 116 matching lines @@
     visitor_ = nullptr;
     visitor->OnClose(this);
   }
 }
 
 bool QuicDataStream::FinishedReadingHeaders() {
   return headers_decompressed_ && decompressed_headers_.empty();
 }
 
 }  // namespace net