Unify the QUIC dispatcher and make the QuicServer work.

net/tools/quic/quic_server.cc

 // 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.
 
 #include "net/tools/quic/quic_server.h"
 
 #include <errno.h>
 #ifndef __APPLE__
 // This is a GNU header that is not present in /usr/include on MacOS
 #include <features.h>
@@ skipping 165 matching lines @@
         !server_address.FromSockAddr(storage.addr, storage.addr_len)) {
       LOG(ERROR) << "Unable to get self address.  Error: " << strerror(errno);
       return false;
     }
     port_ = server_address.port();
     DVLOG(1) << "Kernel assigned port is " << port_;
   }
 
   epoll_server_.RegisterFD(fd_, this, kEpollFlags);
   dispatcher_.reset(CreateQuicDispatcher());
-  dispatcher_->Initialize(fd_);
+  dispatcher_->InitializeWithWriter(CreateWriter(fd_));
 
   return true;
 }
 
+QuicDefaultPacketWriter* QuicServer::CreateWriter(int fd) {
+  return new QuicDefaultPacketWriter(fd);
+}
+
 QuicDispatcher* QuicServer::CreateQuicDispatcher() {
   return new QuicDispatcher(
       config_,
       crypto_config_,
       supported_versions_,
       new QuicDispatcher::DefaultPacketWriterFactory(),
       new QuicEpollConnectionHelper(&epoll_server_));
 }
 
 void QuicServer::WaitForEvents() {
@@ skipping 80 matching lines @@
   QuicEncryptedPacket packet(buf, bytes_read, false);
 
   IPEndPoint server_address(server_ip, port);
   processor->ProcessPacket(server_address, client_address, packet);
 
   return true;
 }
 
 }  // namespace tools
 }  // namespace net