QUIC: don't ignore SetKey and SetNoncePrefix return values.

net/quic/quic_protocol.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_PROTOCOL_H_
 #define NET_QUIC_QUIC_PROTOCOL_H_
 
 #include <stddef.h>
 #include <limits>
 #include <map>
@@ skipping 388 matching lines @@
   QUIC_CRYPTO_TOO_MANY_REJECTS = 41,
   // The client rejected the server's certificate chain or signature.
   QUIC_PROOF_INVALID = 42,
   // A crypto message was received with a duplicate tag.
   QUIC_CRYPTO_DUPLICATE_TAG = 43,
   // A crypto message was received with the wrong encryption level (i.e. it
   // should have been encrypted but was not.)
   QUIC_CRYPTO_ENCRYPTION_LEVEL_INCORRECT = 44,
   // The server config for a server has expired.
   QUIC_CRYPTO_SERVER_CONFIG_EXPIRED = 45,
+  // We failed to setup the symmetric keys for a connection.
+  QUIC_CRYPTO_SYMMETRIC_KEY_SETUP_FAILED = 53,
 
   // No error. Used as bound while iterating.
-  QUIC_LAST_ERROR = 53,
+  QUIC_LAST_ERROR = 54,
 };
 
 struct NET_EXPORT_PRIVATE QuicPacketPublicHeader {
   QuicPacketPublicHeader();
   explicit QuicPacketPublicHeader(const QuicPacketPublicHeader& other);
   ~QuicPacketPublicHeader();
 
   // Universal header. All QuicPacket headers will have a guid and public flags.
   QuicGuid guid;
   QuicGuidLength guid_length;
@@ skipping 467 matching lines @@
   WriteStatus status;
   union {
     int bytes_written;  // only valid when status is OK
     int error_code;  // only valid when status is ERROR
   };
 };
 
 }  // namespace net
 
 #endif  // NET_QUIC_QUIC_PROTOCOL_H_