Some files don't need net/tools/epoll_server/epoll_server.h at all.

net/tools/quic/quic_dispatcher.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_dispatcher.h"
 
 #include <errno.h>
 
 #include "base/debug/stack_trace.h"
 #include "base/logging.h"
 #include "base/stl_util.h"
 #include "net/quic/quic_blocked_writer_interface.h"
 #include "net/quic/quic_flags.h"
 #include "net/quic/quic_utils.h"
+#include "net/tools/epoll_server/epoll_server.h"
 #include "net/tools/quic/quic_default_packet_writer.h"
 #include "net/tools/quic/quic_epoll_connection_helper.h"
 #include "net/tools/quic/quic_socket_utils.h"
 #include "net/tools/quic/quic_time_wait_list_manager.h"
 
 namespace net {
 
 namespace tools {
 
 using base::StringPiece;
@@ skipping 408 matching lines @@
   framer_.set_version(time_wait_list_manager_->GetQuicVersionFromConnectionId(
       header.connection_id));
 
   // Continue parsing the packet to extract the sequence number.  Then
   // send it to the time wait manager in OnUnathenticatedHeader.
   return true;
 }
 
 }  // namespace tools
 }  // namespace net