Deprecate FLAGS_quic_close_stream_after_writing_queued_data

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 341 matching lines @@
     // so we need to ensure we don't call it again.
     visitor_ = nullptr;
     visitor->OnClose(this);
   }
 }
 
 void QuicSpdyStream::OnCanWrite() {
   ReliableQuicStream::OnCanWrite();
 
   // Trailers (and hence a FIN) may have been sent ahead of queued body bytes.
-  if (FLAGS_quic_close_stream_after_writing_queued_data && !HasBufferedData() &&
-      fin_sent()) {
+  if (!HasBufferedData() && fin_sent()) {
     CloseWriteSide();
   }
 }
 
 bool QuicSpdyStream::FinishedReadingHeaders() const {
   return headers_decompressed_ && decompressed_headers_.empty() &&
          header_list_.empty();
 }
 
 bool QuicSpdyStream::ParseHeaderStatusCode(const SpdyHeaderBlock& header,
@@ skipping 45 matching lines @@
   if (spdy_session_->headers_stream() != nullptr &&
       spdy_session_->force_hol_blocking()) {
     return spdy_session_->headers_stream()->WritevStreamData(
         id(), iov, offset, fin, ack_notifier_delegate);
   }
   return ReliableQuicStream::WritevDataInner(iov, offset, fin,
                                              ack_notifier_delegate);
 }
 
 }  // namespace net