IPC: Fix attachment brokering race condition.

remoting/host/ipc_util.h

 // Copyright 2013 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 REMOTING_HOST_IPC_UTIL_H_
 #define REMOTING_HOST_IPC_UTIL_H_
 
 #include <memory>
 #include <string>
 
@@ skipping 16 matching lines @@
 class Listener;
 }  // namespace IPC
 
 namespace remoting {
 
 // Creates an already connected IPC channel. The server end of the channel
 // is wrapped into a channel proxy that will invoke methods of |listener|
 // on the caller's thread while using |io_task_runner| to send and receive
 // messages in the background. The client end is returned as a pipe handle
 // (inheritable on Windows).
+// The channel is registered with the global AttachmentBroker.
 bool CreateConnectedIpcChannel(
     scoped_refptr<base::SingleThreadTaskRunner> io_task_runner,
     IPC::Listener* listener,
     base::File* client_out,
     std::unique_ptr<IPC::ChannelProxy>* server_out);
 
 #if defined(OS_WIN)
 
 // Creates the server end of the IPC channel and applies the security
 // descriptor |pipe_security_descriptor| to it.
 bool CreateIpcChannel(
     const std::string& channel_name,
     const std::string& pipe_security_descriptor,
     base::win::ScopedHandle* pipe_out);
 
 #endif  // defined(OS_WIN)
 
 } // namespace remoting
 
 #endif  // REMOTING_HOST_IPC_UTIL_H_