Remove MessageInTransit::kTypeMessagePipe; rename kTypeMessagePipeEndpoint to kTypeEndpoint; etc.

mojo/edk/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_EDK_SYSTEM_MESSAGE_PIPE_H_
 #define MOJO_EDK_SYSTEM_MESSAGE_PIPE_H_
 
 #include <stddef.h>
 #include <stdint.h>
 
@@ skipping 110 matching lines @@
   MojoResult EnqueueMessage(unsigned port,
                             scoped_ptr<MessageInTransit> message,
                             std::vector<DispatcherTransport>* transports);
 
   // Helper for |EnqueueMessage()|. Must be called with |lock_| held.
   MojoResult AttachTransportsNoLock(
       unsigned port,
       MessageInTransit* message,
       std::vector<DispatcherTransport>* transports);
 
-  // Used by |EnqueueMessage()| to handle control messages that are actually
-  // meant for us.
-  MojoResult HandleControlMessage(unsigned port,
-                                  scoped_ptr<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_EDK_SYSTEM_MESSAGE_PIPE_H_