Revert of Renaming Gnubby and RemoteSecurityKey files/classes/members

remoting/host/security_key/security_key_message_reader.h

Index: remoting/host/security_key/security_key_message_reader.h
diff --git a/remoting/host/security_key/security_key_message_reader.h b/remoting/host/security_key/security_key_message_reader.h
deleted file mode 100644
index 09f56a0f35a4e8ca6ed85d0e4f4ae787ac287042..0000000000000000000000000000000000000000
--- a/remoting/host/security_key/security_key_message_reader.h
+++ /dev/null
@@ -1,32 +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_READER_H_
-#define REMOTING_HOST_SECURITY_KEY_SECURITY_KEY_MESSAGE_READER_H_
-
-#include "base/callback_forward.h"
-#include "remoting/host/security_key/security_key_message.h"
-
-namespace remoting {
-
-// Interface used for listening for security key messages and notifying
-// listeners when one is received.
-class SecurityKeyMessageReader {
- public:
-  virtual ~SecurityKeyMessageReader() {}
-
-  // Starts the process of listening for security key messages.
-  // |message_callback| is called for each received message.
-  // |error_callback| is called in case of an error or the file is closed.
-  // This method is asynchronous, callbacks will be called on the thread this
-  // method is called on.  These callbacks can be called up to the point this
-  // instance is destroyed and may be destroyed as a result of the callback
-  // being invoked.
-  virtual void Start(const SecurityKeyMessageCallback& message_callback,
-                     const base::Closure& error_callback) = 0;
-};
-
-}  // namespace remoting
-
-#endif  // REMOTING_HOST_SECURITY_KEY_SECURITY_KEY_MESSAGE_READER_H_