Remove WritePacket() from internal server's QuicDispatcher;

net/tools/quic/quic_server.cc

Index: net/tools/quic/quic_server.cc
diff --git a/net/tools/quic/quic_server.cc b/net/tools/quic/quic_server.cc
index cdf7f6315ca61593d7772ae50f1a68fd5c8842a9..7d8cd79084c80d9e0187baaea1413c8e521fcc41 100644
--- a/net/tools/quic/quic_server.cc
+++ b/net/tools/quic/quic_server.cc
@@ -147,9 +147,9 @@ bool QuicServer::Listen(const IPEndPoint& address) {
   }
 
   epoll_server_.RegisterFD(fd_, this, kEpollFlags);
-  dispatcher_.reset(new QuicDispatcher(config_, crypto_config_,
-                                       supported_versions_,
-                                       fd_, &epoll_server_));
+  dispatcher_.reset(new QuicDispatcher(
+      config_, crypto_config_, supported_versions_, &epoll_server_));
+  dispatcher_->Initialize(fd_);
 
   return true;
 }