Use public handle API to transfer handle attachments.

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 <stdint.h>
 
 #include <memory>
 #include <vector>
 
 #include "base/macros.h"
 #include "base/memory/ref_counted.h"
 #include "base/memory/scoped_vector.h"
 #include "base/memory/weak_ptr.h"
 #include "base/synchronization/lock.h"
 #include "base/task_runner.h"
 #include "build/build_config.h"
 #include "ipc/ipc_channel.h"
 #include "ipc/ipc_channel_factory.h"
 #include "ipc/ipc_export.h"
 #include "ipc/mojo/ipc_message_pipe_reader.h"
 #include "ipc/mojo/ipc_mojo_bootstrap.h"
-#include "mojo/edk/embedder/scoped_platform_handle.h"
 #include "mojo/public/cpp/system/core.h"
 
 namespace IPC {
 
 // Mojo-based IPC::Channel implementation over a Mojo message pipe.
 //
 // ChannelMojo builds a Mojo MessagePipe using the provided message pipe
 // |handle| and builds an associated interface for each direction on the
 // channel.
 //
@@ skipping 80 matching lines @@
   bool waiting_connect_;
 
   base::WeakPtrFactory<ChannelMojo> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(ChannelMojo);
 };
 
 }  // namespace IPC
 
 #endif  // IPC_IPC_CHANNEL_MOJO_H_