Remove WritePacket() from internal server's QuicDispatcher;

net/tools/quic/test_tools/mock_quic_dispatcher.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/tools/quic/test_tools/mock_quic_dispatcher.h"
 
 namespace net {
 namespace tools {
 namespace test {
 
 MockQuicDispatcher::MockQuicDispatcher(
     const QuicConfig& config,
     const QuicCryptoServerConfig& crypto_config,
-    QuicGuid guid,
     EpollServer* eps)
-    : QuicDispatcher(config, crypto_config, QuicSupportedVersions(), guid,
-                     eps) {
-}
+    : QuicDispatcher(config, crypto_config, QuicSupportedVersions(), eps) {}
+
 MockQuicDispatcher::~MockQuicDispatcher() {}
 
 }  // namespace test
 }  // namespace tools
 }  // namespace net