Revert "Switch to BoringSSL."

net/tools/flip_server/acceptor_thread.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/flip_server/acceptor_thread.h"
 
-#include <errno.h>
 #include <netinet/in.h>
 #include <netinet/tcp.h>  // For TCP_NODELAY
 #include <sys/socket.h>
 #include <sys/types.h>
 
 #include <string>
 
 #include "net/tools/flip_server/constants.h"
 #include "net/tools/flip_server/flip_config.h"
 #include "net/tools/flip_server/sm_connection.h"
@@ skipping 185 matching lines @@
     AcceptFromListenFD();
   }
 }
 
 void SMAcceptorThread::SMConnectionDone(SMConnection* sc) {
   VLOG(1) << ACCEPTOR_CLIENT_IDENT << "Done with connection.";
   tmp_unused_server_connections_.push_back(sc);
 }
 
 }  // namespace net