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

net/tools/quic/quic_dispatcher.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.
 //
 // A server side dispatcher which dispatches a given client's data to their
 // stream.
 
 #ifndef NET_TOOLS_QUIC_QUIC_DISPATCHER_H_
 #define NET_TOOLS_QUIC_QUIC_DISPATCHER_H_
 
 #include <list>
 
 #include "base/basictypes.h"
 #include "base/containers/hash_tables.h"
 #include "base/memory/scoped_ptr.h"
 #include "net/base/ip_endpoint.h"
 #include "net/base/linked_hash_map.h"
 #include "net/quic/quic_blocked_writer_interface.h"
 #include "net/quic/quic_protocol.h"
-#include "net/tools/epoll_server/epoll_server.h"
 #include "net/tools/quic/quic_server_session.h"
 #include "net/tools/quic/quic_time_wait_list_manager.h"
 
 #if defined(COMPILER_GCC)
 namespace BASE_HASH_NAMESPACE {
 template<>
 struct hash<net::QuicBlockedWriterInterface*> {
   std::size_t operator()(
       const net::QuicBlockedWriterInterface* ptr) const {
     return hash<size_t>()(reinterpret_cast<size_t>(ptr));
@@ skipping 212 matching lines @@
   // connections.
   const uint32 initial_flow_control_window_bytes_;
 
   DISALLOW_COPY_AND_ASSIGN(QuicDispatcher);
 };
 
 }  // namespace tools
 }  // namespace net
 
 #endif  // NET_TOOLS_QUIC_QUIC_DISPATCHER_H_