Revert of Renaming Gnubby and RemoteSecurityKey files/classes/members

remoting/host/security_key/security_key_message_writer_impl.h

Index: remoting/host/security_key/security_key_message_writer_impl.h
diff --git a/remoting/host/security_key/security_key_message_writer_impl.h b/remoting/host/security_key/security_key_message_writer_impl.h
deleted file mode 100644
index d8008f22f6b9bf3ab21bcbd6d10718c7ed2c4676..0000000000000000000000000000000000000000
--- a/remoting/host/security_key/security_key_message_writer_impl.h
+++ /dev/null
@@ -1,40 +0,0 @@
-// Copyright 2016 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_SECURITY_KEY_SECURITY_KEY_MESSAGE_WRITER_IMPL_H_
-#define REMOTING_HOST_SECURITY_KEY_SECURITY_KEY_MESSAGE_WRITER_IMPL_H_
-
-#include <string>
-
-#include "base/files/file.h"
-#include "base/macros.h"
-#include "remoting/host/security_key/security_key_message.h"
-#include "remoting/host/security_key/security_key_message_writer.h"
-
-namespace remoting {
-
-// Used for sending security key messages using a file handle.
-class SecurityKeyMessageWriterImpl : public SecurityKeyMessageWriter {
- public:
-  explicit SecurityKeyMessageWriterImpl(base::File output_file);
-  ~SecurityKeyMessageWriterImpl() override;
-
- private:
-  // SecurityKeyMessageWriter interface.
-  bool WriteMessage(SecurityKeyMessageType message_type) override;
-  bool WriteMessageWithPayload(SecurityKeyMessageType message_type,
-                               const std::string& message_payload) override;
-
-  // Writes |bytes_to_write| bytes from |message| to |output_stream_|.
-  bool WriteBytesToOutput(const char* message, int bytes_to_write);
-
-  base::File output_stream_;
-  bool write_failed_ = false;
-
-  DISALLOW_COPY_AND_ASSIGN(SecurityKeyMessageWriterImpl);
-};
-
-}  // namespace remoting
-
-#endif  // REMOTING_HOST_SECURITY_KEY_SECURITY_KEY_MESSAGE_WRITER_IMPL_H_