Use the CHLO packet size, not message size when determining how large a REJ can be. Protected by --…

net/quic/core/quic_crypto_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_CRYPTO_STREAM_H_
 #define NET_QUIC_QUIC_CRYPTO_STREAM_H_
 
 #include <stddef.h>
 
 #include "base/macros.h"
@@ skipping 17 matching lines @@
 // hello message, SHLO.  At this point both sides will have established
 // a crypto context they can use to send encrypted messages.
 //
 // For more details: http://goto.google.com/quic-crypto
 class NET_EXPORT_PRIVATE QuicCryptoStream
     : public ReliableQuicStream,
       public CryptoFramerVisitorInterface {
  public:
   explicit QuicCryptoStream(QuicSession* session);
 
+  // Returns the per-packet framing overhead associated with sending a
+  // handshake message for |version|.
+  static QuicByteCount CryptoMessageFramingOverhead(QuicVersion version);
+
   // CryptoFramerVisitorInterface implementation
   void OnError(CryptoFramer* framer) override;
   void OnHandshakeMessage(const CryptoHandshakeMessage& message) override;
 
   // ReliableQuicStream implementation
   void OnDataAvailable() override;
 
   // Sends |message| to the peer.
   // TODO(wtc): return a success/failure status.
   void SendHandshakeMessage(const CryptoHandshakeMessage& message);
@@ skipping 30 matching lines @@
 
  private:
   CryptoFramer crypto_framer_;
 
   DISALLOW_COPY_AND_ASSIGN(QuicCryptoStream);
 };
 
 }  // namespace net
 
 #endif  // NET_QUIC_QUIC_CRYPTO_STREAM_H_