QUIC: support diversified keys with version 33.

net/quic/crypto/null_decrypter.cc

Index: net/quic/crypto/null_decrypter.cc
diff --git a/net/quic/crypto/null_decrypter.cc b/net/quic/crypto/null_decrypter.cc
index 43adb67958bac6db2fec8b01b1632135f0de9bb9..b0bf4d34f9ca640a93f32ce8e750b4f814b61b93 100644
--- a/net/quic/crypto/null_decrypter.cc
+++ b/net/quic/crypto/null_decrypter.cc
@@ -25,6 +25,16 @@ bool NullDecrypter::SetNoncePrefix(StringPiece nonce_prefix) {
   return nonce_prefix.empty();
 }
 
+bool NullDecrypter::SetPreliminaryKey(StringPiece key) {
+  QUIC_BUG << "Should not be called";
+  return false;
+}
+
+bool NullDecrypter::SetDiversificationNonce(DiversificationNonce nonce) {
+  QUIC_BUG << "Should not be called";
+  return true;
+}
+
 bool NullDecrypter::DecryptPacket(QuicPathId /*path_id*/,
                                   QuicPacketNumber /*packet_number*/,
                                   StringPiece associated_data,