Revert of Renaming Gnubby and RemoteSecurityKey files/classes/members

remoting/host/security_key/fake_security_key_message_reader.cc

-// 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.
-
-#include "remoting/host/security_key/fake_security_key_message_reader.h"
-
-#include "base/callback.h"
-#include "base/memory/weak_ptr.h"
-#include "remoting/host/security_key/security_key_message.h"
-
-namespace remoting {
-
-FakeSecurityKeyMessageReader::FakeSecurityKeyMessageReader()
-    : weak_factory_(this) {}
-
-FakeSecurityKeyMessageReader::~FakeSecurityKeyMessageReader() {}
-
-base::WeakPtr<FakeSecurityKeyMessageReader>
-FakeSecurityKeyMessageReader::AsWeakPtr() {
-  return weak_factory_.GetWeakPtr();
-}
-
-void FakeSecurityKeyMessageReader::Start(
-    const SecurityKeyMessageCallback& message_callback,
-    const base::Closure& error_callback) {
-  message_callback_ = message_callback;
-  error_callback_ = error_callback;
-}
-
-}  // namespace remoting