Always use recvmmsg or recvmsg if it's available, and consolidate ReadAndDispatchPackets and ReadAn…

net/tools/quic/test_tools/quic_server_peer.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/quic_server_peer.h"
 
 #include "net/tools/quic/quic_dispatcher.h"
 #include "net/tools/quic/quic_packet_reader.h"
 #include "net/tools/quic/quic_server.h"
 
 namespace net {
 namespace test {
 
 // static
 bool QuicServerPeer::SetSmallSocket(QuicServer* server) {
   int size = 1024 * 10;
   return setsockopt(server->fd_, SOL_SOCKET, SO_RCVBUF, &size, sizeof(size)) !=
          -1;
 }
 
 // static
-void QuicServerPeer::DisableRecvmmsg(QuicServer* server) {
-  server->use_recvmmsg_ = false;
-}
-
-// static
 QuicDispatcher* QuicServerPeer::GetDispatcher(QuicServer* server) {
   return server->dispatcher_.get();
 }
 
 // static
 void QuicServerPeer::SetReader(QuicServer* server, QuicPacketReader* reader) {
   server->packet_reader_.reset(reader);
 }
 
 }  // namespace test
 }  // namespace net