ipc: Remove ipc_listener.h from ipc_channel.h and update the files.

ipc/ipc_channel.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.
 
 #ifndef IPC_IPC_CHANNEL_H_
 #define IPC_IPC_CHANNEL_H_
 
 #include <string>
 
 #if defined(OS_POSIX)
 #include <sys/types.h>
 #endif
 
 #include "base/compiler_specific.h"
 #include "base/process.h"
 #include "ipc/ipc_channel_handle.h"
 #include "ipc/ipc_message.h"
 #include "ipc/ipc_sender.h"
 
-// TODO(brettw) remove this and update files that depend on this being included
-// from here.
-#include "ipc/ipc_listener.h"
-
 namespace IPC {
 
 class Listener;
 
 //------------------------------------------------------------------------------
 // See
 // http://www.chromium.org/developers/design-documents/inter-process-communication
 // for overview of IPC in Chromium.
 
 // Channels are implemented using named pipes on Windows, and
@@ skipping 172 matching lines @@
 
  private:
   // PIMPL to which all channel calls are delegated.
   class ChannelImpl;
   ChannelImpl *channel_impl_;
 };
 
 }  // namespace IPC
 
 #endif  // IPC_IPC_CHANNEL_H_