Remove IPC::Channel::set_listener().

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)
@@ skipping 107 matching lines @@
   // asynchronously.
   bool Connect() WARN_UNUSED_RESULT;
 
   // Close this Channel explicitly.  May be called multiple times.
   // On POSIX calling close on an IPC channel that listens for connections will
   // cause it to close any accepted connections, and it will stop listening for
   // new connections. If you just want to close the currently accepted
   // connection and listen for new ones, use ResetToAcceptingConnectionState.
   void Close();
 
-  // Modify the Channel's listener.
-  void set_listener(Listener* listener);
-
   // Get the process ID for the connected peer.
   //
   // Returns base::kNullProcessId if the peer is not connected yet. Watch out
   // for race conditions. You can easily get a channel to another process, but
   // if your process has not yet processed the "hello" message from the remote
   // side, this will fail. You should either make sure calling this is either
   // in response to a message from the remote side (which guarantees that it's
   // been connected), or you wait for the "connected" notification on the
   // listener.
   base::ProcessId peer_pid() const;
@@ skipping 68 matching lines @@
 
  private:
   // PIMPL to which all channel calls are delegated.
   class ChannelImpl;
   ChannelImpl *channel_impl_;
 };
 
 }  // namespace IPC
 
 #endif  // IPC_IPC_CHANNEL_H_