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

net/quic/quic_http_stream.h

 // 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.
 
 #ifndef NET_QUIC_QUIC_HTTP_STREAM_H_
 #define NET_QUIC_QUIC_HTTP_STREAM_H_
 
 #include <stddef.h>
 #include <stdint.h>
 
@@ skipping 61 matching lines @@
   // QuicChromiumClientStream::Delegate implementation
   void OnHeadersAvailable(const SpdyHeaderBlock& headers,
                           size_t frame_len) override;
   void OnDataAvailable() override;
   void OnClose(QuicErrorCode error) override;
   void OnError(int error) override;
   bool HasSendHeadersComplete() override;
 
   // QuicChromiumClientSession::Observer implementation
   void OnCryptoHandshakeConfirmed() override;
-  void OnSessionClosed(int error) override;
+  void OnSessionClosed(int error, bool port_migration_detected) override;
 
   // QuicClientPushPromiseIndex::Delegate implementation
   bool CheckVary(const SpdyHeaderBlock& client_request,
                  const SpdyHeaderBlock& promise_request,
                  const SpdyHeaderBlock& promise_response) override;
   void OnRendezvousResult(QuicSpdyStream* stream) override;
 
  private:
   friend class test::QuicHttpStreamPeer;
 
@@ skipping 93 matching lines @@
   // Wraps raw_request_body_buf_ to read the remaining data progressively.
   scoped_refptr<DrainableIOBuffer> request_body_buf_;
 
   BoundNetLog stream_net_log_;
 
   QuicErrorCode quic_connection_error_;
 
   // SSLInfo from the underlying QuicSession.
   SSLInfo ssl_info_;
 
+  // True when this stream receives a go away from server due to port migration.
+  bool port_migration_detected_;
+
   bool found_promise_;
   // |QuicClientPromisedInfo| owns this. It will be set when |Try()|
   // is asynchronous, i.e. it returned QUIC_PENDING, and remains valid
   // until |OnRendezvouResult()| fires or |push_handle_->Cancel()| is
   // invoked.
   QuicClientPushPromiseIndex::TryHandle* push_handle_;
 
   base::WeakPtrFactory<QuicHttpStream> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(QuicHttpStream);
 };
 
 }  // namespace net
 
 #endif  // NET_QUIC_QUIC_HTTP_STREAM_H_