It2Me native messaging: GYP and source refactoring

remoting/host/setup/native_messaging_writer.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 REMOTING_HOST_SETUP_NATIVE_MESSAGING_WRITER_H_
-#define REMOTING_HOST_SETUP_NATIVE_MESSAGING_WRITER_H_
-
-#include "base/platform_file.h"
-#include "net/base/file_stream.h"
-
-namespace base {
-class Value;
-}  // namespace base
-
-namespace remoting {
-
-// This class is used for sending messages to the Native Messaging client
-// webapp.
-class NativeMessagingWriter {
- public:
-  explicit NativeMessagingWriter(base::PlatformFile handle);
-  ~NativeMessagingWriter();
-
-  // Sends a message to the Native Messaging client, returning true if
-  // successful.
-  bool WriteMessage(const base::Value& message);
-
- private:
-  net::FileStream write_stream_;
-  bool fail_;
-
-  DISALLOW_COPY_AND_ASSIGN(NativeMessagingWriter);
-};
-
-}  // namespace remoting
-
-#endif  // REMOTING_HOST_SETUP_NATIVE_MESSAGING_WRITER_H_