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

net/base/net_error_details.h

 // Copyright 2015 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.
 
 #ifndef NET_BASE_NET_ERROR_DETAILS_H_
 #define NET_BASE_NET_ERROR_DETAILS_H_
 
 #include "net/http/http_response_info.h"
 #include "net/quic/quic_protocol.h"
 
 namespace net {
 
 // A record of net errors with granular error specification generated by
 // net stack.
 struct NET_EXPORT NetErrorDetails {
   NetErrorDetails()
       : quic_broken(false),
         quic_connection_error(QUIC_NO_ERROR),
-        connection_info(HttpResponseInfo::CONNECTION_INFO_UNKNOWN) {}
+        connection_info(HttpResponseInfo::CONNECTION_INFO_UNKNOWN),
+        quic_port_migration_detected(false) {}
 
   NetErrorDetails(bool quic_broken, QuicErrorCode quic_connection_error)
       : quic_broken(quic_broken),
         quic_connection_error(quic_connection_error),
-        connection_info(HttpResponseInfo::CONNECTION_INFO_UNKNOWN) {}
+        connection_info(HttpResponseInfo::CONNECTION_INFO_UNKNOWN),
+        quic_port_migration_detected(false) {}
 
   // True if all QUIC alternative services are marked broken for the origin.
   bool quic_broken;
   // QUIC granular error info.
   QuicErrorCode quic_connection_error;
   // Early prediction of the connection type that this request attempts to use.
   // Will be discarded by upper layers if the connection type can be fetched
   // from response header from the server.
   HttpResponseInfo::ConnectionInfo connection_info;
+  // True if receives a GoAway frame from the server due to connection
+  // migration with port change.
+  bool quic_port_migration_detected;
 };
 
 }  // namespace net
 
 #endif