[Domain Reliabiliy: net stack] Plumb received go away from server due to connection migration.

net/quic/quic_http_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/quic/quic_http_stream.h"
 
 #include "base/callback_helpers.h"
 #include "base/metrics/histogram_macros.h"
 #include "base/strings/string_split.h"
 #include "base/strings/stringprintf.h"
@@ skipping 419 matching lines @@
 void QuicHttpStream::Drain(HttpNetworkSession* session) {
   NOTREACHED();
   Close(false);
   delete this;
 }
 
 void QuicHttpStream::PopulateNetErrorDetails(NetErrorDetails* details) {
   details->connection_info = HttpResponseInfo::CONNECTION_INFO_QUIC1_SPDY3;
   if (was_handshake_confirmed_)
     details->quic_connection_error = quic_connection_error_;
+  stream_request_.PopulateNetErrorDetails(details);

[Ryan Hamilton, 2016/03/10 22:46:44]

Instead of asking the stream_request_ to ask the session, can we just ask the
session_ directly?

[Zhongyi Shi, 2016/03/11 03:56:32]

Yes, we can, I knew there's a stream_request_ in quic_http_stream and has ref to
session when we try to send the request, but missed the part that
quic_http_stream has direct ref to session. Super easy now!

 }
 
 void QuicHttpStream::SetPriority(RequestPriority priority) {
   priority_ = priority;
 }
 
 void QuicHttpStream::OnHeadersAvailable(const SpdyHeaderBlock& headers,
                                         size_t frame_len) {
   headers_bytes_received_ += frame_len;
 
@@ skipping 291 matching lines @@
   closed_stream_sent_bytes_ = stream_->stream_bytes_written();
   stream_ = nullptr;
 
   // If |request_body_stream_| is non-NULL, Reset it, to abort any in progress
   // read.
   if (request_body_stream_)
     request_body_stream_->Reset();
 }
 
 }  // namespace net