net: Cleanup class/struct forward declarations

net/tools/quic/quic_client.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 toy client, which connects to a specified port and sends QUIC
 // request to that endpoint.
 
 #ifndef NET_TOOLS_QUIC_QUIC_CLIENT_H_
 #define NET_TOOLS_QUIC_QUIC_CLIENT_H_
 
@@ skipping 10 matching lines @@
 #include "net/tools/epoll_server/epoll_server.h"
 #include "net/tools/quic/quic_client_base.h"
 #include "net/tools/quic/quic_client_session.h"
 #include "net/tools/quic/quic_packet_reader.h"
 #include "net/tools/quic/quic_process_packet_interface.h"
 
 namespace net {
 
 class QuicServerId;
 
-class QuicEpollConnectionHelper;
-
 namespace test {
 class QuicClientPeer;
 }  // namespace test
 
 class QuicClient : public QuicClientBase,
                    public EpollCallbackInterface,
                    public ProcessPacketInterface {
  public:
   // Create a quic client, which will have events managed by an externally owned
   // EpollServer.
@@ skipping 77 matching lines @@
   // Point to a QuicPacketReader object on the heap. The reader allocates more
   // space than allowed on the stack.
   std::unique_ptr<QuicPacketReader> packet_reader_;
 
   DISALLOW_COPY_AND_ASSIGN(QuicClient);
 };
 
 }  // namespace net
 
 #endif  // NET_TOOLS_QUIC_QUIC_CLIENT_H_