Get rid of ipc_sender.h include in ipc_message.h.

content/browser/renderer_host/p2p/socket_host_udp.h

 // Copyright (c) 2011 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.
 
 #ifndef CONTENT_BROWSER_RENDERER_HOST_P2P_SOCKET_HOST_UDP_H_
 #define CONTENT_BROWSER_RENDERER_HOST_P2P_SOCKET_HOST_UDP_H_
 
 #include <deque>
 #include <set>
 #include <vector>
 
 #include "base/compiler_specific.h"
 #include "base/memory/ref_counted.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/message_loop.h"
 #include "content/browser/renderer_host/p2p/socket_host.h"
 #include "content/common/content_export.h"
 #include "content/common/p2p_sockets.h"
-#include "ipc/ipc_sender.h"
 #include "net/base/ip_endpoint.h"
 #include "net/udp/udp_server_socket.h"
 
 namespace content {
 
 class CONTENT_EXPORT P2PSocketHostUdp : public P2PSocketHost {
  public:
   P2PSocketHostUdp(IPC::Sender* message_sender, int id);
   virtual ~P2PSocketHostUdp();
 
@@ skipping 38 matching lines @@
   // Set of peer for which we have received STUN binding request or
   // response or relay allocation request or response.
   ConnectedPeerSet connected_peers_;
 
   DISALLOW_COPY_AND_ASSIGN(P2PSocketHostUdp);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_RENDERER_HOST_P2P_SOCKET_HOST_UDP_H_