Remove path id from IV in QUIC encrytion algorithms.

net/quic/core/crypto/quic_crypto_server_config.cc

 // Copyright 2013 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.
 
 #include "net/quic/core/crypto/quic_crypto_server_config.h"
 
 #include <stdlib.h>
 
 #include <algorithm>
 #include <memory>
@@ skipping 877 matching lines @@
                                  CryptoUtils::Diversification::Never(),
                                  &crypters, nullptr /* subkey secret */)) {
       helper.Fail(QUIC_CRYPTO_SYMMETRIC_KEY_SETUP_FAILED,
                   "Symmetric key setup failed");
       return;
     }
 
     char plaintext[kMaxPacketSize];
     size_t plaintext_length = 0;
     const bool success = crypters.decrypter->DecryptPacket(
-        QUIC_VERSION_35, kDefaultPathId, 0 /* packet number */,
+        QUIC_VERSION_35, 0 /* packet number */,
         StringPiece() /* associated data */, cetv_ciphertext, plaintext,
         &plaintext_length, kMaxPacketSize);
     if (!success) {
       helper.Fail(QUIC_INVALID_CRYPTO_MESSAGE_PARAMETER,
                   "CETV decryption failure");
       return;
     }
     std::unique_ptr<CryptoHandshakeMessage> cetv(
         CryptoFramer::ParseMessage(StringPiece(plaintext, plaintext_length)));
     if (!cetv.get()) {
@@ skipping 1042 matching lines @@
       expiry_time(QuicWallTime::Zero()),
       priority(0),
       source_address_token_boxer(nullptr) {}
 
 QuicCryptoServerConfig::Config::~Config() {}
 
 QuicSignedServerConfig::QuicSignedServerConfig() {}
 QuicSignedServerConfig::~QuicSignedServerConfig() {}
 
 }  // namespace net