Introduce ChannelMojo

ipc/ipc_channel_posix.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_POSIX_H_
 #define IPC_IPC_CHANNEL_POSIX_H_
 
 #include "ipc/ipc_channel.h"
 
 #include <sys/socket.h>  // for CMSG macros
@@ skipping 44 matching lines @@
  public:
   ChannelPosix(const IPC::ChannelHandle& channel_handle, Mode mode,
                Listener* listener);
   virtual ~ChannelPosix();
 
   // Channel implementation
   virtual bool Connect() OVERRIDE;
   virtual void Close() OVERRIDE;
   virtual bool Send(Message* message) OVERRIDE;
   virtual base::ProcessId GetPeerPID() const OVERRIDE;
+  virtual base::ProcessId GetSelfPID() const OVERRIDE;
+  virtual ChannelHandle TakePipeHandle() OVERRIDE;
   virtual int GetClientFileDescriptor() const OVERRIDE;
   virtual int TakeClientFileDescriptor() OVERRIDE;
 
   // 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;
 
@@ skipping 12 matching lines @@
   static void SetGlobalPid(int pid);
 #endif  // OS_LINUX
 
  private:
   bool CreatePipe(const IPC::ChannelHandle& channel_handle);
 
   bool ProcessOutgoingMessages();
 
   bool AcceptConnection();
   void ClosePipeOnError();
-  int GetHelloMessageProcId();
+  int GetHelloMessageProcId() const;
   void QueueHelloMessage();
   void CloseFileDescriptors(Message* msg);
   void QueueCloseFDMessage(int fd, int hops);
 
   // ChannelReader implementation.
   virtual ReadState ReadData(char* buffer,
                              int buffer_len,
                              int* bytes_read) OVERRIDE;
   virtual bool WillDispatchInputMessage(Message* msg) OVERRIDE;
   virtual bool DidEmptyInputBuffers() OVERRIDE;
@@ skipping 108 matching lines @@
   // If non-zero, overrides the process ID sent in the hello message.
   static int global_pid_;
 #endif  // OS_LINUX
 
   DISALLOW_IMPLICIT_CONSTRUCTORS(ChannelPosix);
 };
 
 }  // namespace IPC
 
 #endif  // IPC_IPC_CHANNEL_POSIX_H_