Mojo: More work towards sending message pipe handles over remote message pipes.

mojo/system/message_pipe.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 MOJO_SYSTEM_MESSAGE_PIPE_H_
 #define MOJO_SYSTEM_MESSAGE_PIPE_H_
 
 #include <vector>
 
 #include "base/basictypes.h"
@@ skipping 59 matching lines @@
   MojoResult EnqueueMessage(unsigned port,
                             MessageInTransit* message,
                             const std::vector<Dispatcher*>* dispatchers);
 
   // These are used by |Channel|.
   void Attach(unsigned port,
               scoped_refptr<Channel> channel,
               MessageInTransit::EndpointId local_id);
   void Run(unsigned port, MessageInTransit::EndpointId remote_id);
 
+  // This is used by |ProxyMessagePipeEndpoint| in sending an endpoint over
+  // another message pipe.

[DaveMoore, 2014/02/03 20:01:15]

What is used?

[viettrungluu, 2014/02/03 20:09:11]

Oops (stale comment), deleted.

+
  private:
   friend class base::RefCountedThreadSafe<MessagePipe>;
   virtual ~MessagePipe();
 
   // Used by |EnqueueMessage()| to handle control messages that are actually
   // meant for us.
   MojoResult HandleControlMessage(unsigned port, MessageInTransit* message);
 
   base::Lock lock_;  // Protects the following members.
   scoped_ptr<MessagePipeEndpoint> endpoints_[2];
 
   DISALLOW_COPY_AND_ASSIGN(MessagePipe);
 };
 
 }  // namespace system
 }  // namespace mojo
 
 #endif  // MOJO_SYSTEM_MESSAGE_PIPE_H_