Implement IPC::ChannelFactory, a class that accept()s on a UNIX socket.

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 149 matching lines @@
   // at a time.
 
   // Returns true if the channel supports listening for connections.
   bool AcceptsConnections() const;
 
   // Returns true if the channel supports listening for connections and is
   // currently connected.
   bool HasAcceptedConnection() const;
 
   // Returns true if the peer process' effective user id can be determined, in
-  // which case the supplied client_euid is updated with it.
-  bool GetClientEuid(uid_t* client_euid) const;
+  // which case the supplied peer_euid is updated with it.
+  bool GetPeerEuid(uid_t* peer_euid) const;
 
   // Closes any currently connected socket, and returns to a listening state
   // for more connections.
   void ResetToAcceptingConnectionState();
 #endif  // defined(OS_POSIX) && !defined(OS_NACL)
 
   // Returns true if a named server channel is initialized on the given channel
   // ID. Even if true, the server may have already accepted a connection.
   static bool IsNamedServerInitialized(const std::string& channel_id);
 
@@ skipping 24 matching lines @@
 
  private:
   // PIMPL to which all channel calls are delegated.
   class ChannelImpl;
   ChannelImpl *channel_impl_;
 };
 
 }  // namespace IPC
 
 #endif  // IPC_IPC_CHANNEL_H_