ChannelMojo: Replace hand written messsages with mojo.

ipc/mojo/ipc_channel_mojo.h

 // Copyright 2014 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_MOJO_H_
 #define IPC_IPC_CHANNEL_MOJO_H_
 
 #include <vector>
 
 #include "base/memory/scoped_ptr.h"
@@ skipping 96 matching lines @@
   // as a friend class.
   static MojoResult WriteToFileDescriptorSet(
       const std::vector<MojoHandle>& handle_buffer,
       Message* message);
   static MojoResult ReadFromFileDescriptorSet(Message* message,
                                               std::vector<MojoHandle>* handles);
 
 #endif  // defined(OS_POSIX) && !defined(OS_NACL)
 
   // MojoBootstrapDelegate implementation
-  void OnPipeAvailable(mojo::embedder::ScopedPlatformHandle handle) override;
   void OnBootstrapError() override;
 
   // Called from MessagePipeReader implementations
   void OnMessageReceived(Message& message);
-  void OnConnected(mojo::ScopedMessagePipeHandle pipe);
   void OnPipeClosed(internal::MessagePipeReader* reader);
   void OnPipeError(internal::MessagePipeReader* reader);
-  void set_peer_pid(base::ProcessId pid) { peer_pid_ = pid; }
 
  protected:
   ChannelMojo(Delegate* delegate,
               const ChannelHandle& channel_handle,
               Mode mode,
               Listener* listener);
 
+  mojo::ScopedMessagePipeHandle CreateMessagingPipe(
+      mojo::embedder::ScopedPlatformHandle handle);
+  void InitMessageReader(mojo::ScopedMessagePipeHandle pipe, int32_t peer_pid);
+
+  Listener* listener() const { return listener_; }
+  void set_peer_pid(base::ProcessId pid) { peer_pid_ = pid; }
+
  private:
   struct ChannelInfoDeleter {
     void operator()(mojo::embedder::ChannelInfo* ptr) const;
   };
 
   // ChannelMojo needs to kill its MessagePipeReader in delayed manner
   // because the channel wants to kill these readers during the
   // notifications invoked by them.
   typedef internal::MessagePipeReader::DelayedDeleter ReaderDeleter;
 
   void InitDelegate(ChannelMojo::Delegate* delegate);
-  void InitControlReader(mojo::embedder::ScopedPlatformHandle handle);
 
   scoped_ptr<MojoBootstrap> bootstrap_;
   base::WeakPtr<Delegate> delegate_;
   Mode mode_;
   Listener* listener_;
   base::ProcessId peer_pid_;
   scoped_ptr<mojo::embedder::ChannelInfo,
              ChannelInfoDeleter> channel_info_;
 
-  scoped_ptr<internal::ControlReader, ReaderDeleter> control_reader_;
   scoped_ptr<internal::MessageReader, ReaderDeleter> message_reader_;
   ScopedVector<Message> pending_messages_;
 
   base::WeakPtrFactory<ChannelMojo> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(ChannelMojo);
 };
 
 }  // namespace IPC
 
 #endif  // IPC_IPC_CHANNEL_MOJO_H_