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

net/tools/quic/quic_time_wait_list_manager.h

 // 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.
 //
 // Handles packets for connection_ids in time wait state by discarding the
 // packet and sending the clients a public reset packet with exponential
 // backoff.
 
 #ifndef NET_TOOLS_QUIC_QUIC_TIME_WAIT_LIST_MANAGER_H_
 #define NET_TOOLS_QUIC_QUIC_TIME_WAIT_LIST_MANAGER_H_
 
 #include <deque>
 
 #include "base/basictypes.h"
 #include "base/containers/hash_tables.h"
 #include "base/strings/string_piece.h"
 #include "net/base/linked_hash_map.h"
 #include "net/quic/quic_blocked_writer_interface.h"
 #include "net/quic/quic_framer.h"
 #include "net/quic/quic_packet_writer.h"
 #include "net/quic/quic_protocol.h"
-#include "net/tools/epoll_server/epoll_server.h"
 #include "net/tools/quic/quic_epoll_clock.h"
 
 namespace net {
+
+class EpollServer;
+
 namespace tools {
 
 class ConnectionIdCleanUpAlarm;
 class QuicServerSessionVisitor;
 
 namespace test {
 class QuicTimeWaitListManagerPeer;
 }  // namespace test
 
 // Maintains a list of all connection_ids that have been recently closed. A
@@ skipping 134 matching lines @@
   // Interface that manages blocked writers.
   QuicServerSessionVisitor* visitor_;
 
   DISALLOW_COPY_AND_ASSIGN(QuicTimeWaitListManager);
 };
 
 }  // namespace tools
 }  // namespace net
 
 #endif  // NET_TOOLS_QUIC_QUIC_TIME_WAIT_LIST_MANAGER_H_