Revert 270226 "Componentize GCM Part 1: create GCM component and..."

trunk/src/components/gcm_driver/system_encryptor.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 COMPONENTS_GCM_DRIVER_SYSTEM_ENCRYPTOR_H_
-#define COMPONENTS_GCM_DRIVER_SYSTEM_ENCRYPTOR_H_
-
-#include "base/compiler_specific.h"
-#include "google_apis/gcm/base/encryptor.h"
-
-namespace gcm {
-
-// Encryptor that uses the Chrome password manager's encryptor.
-class SystemEncryptor : public Encryptor {
- public:
-  virtual ~SystemEncryptor();
-
-  virtual bool EncryptString(const std::string& plaintext,
-                             std::string* ciphertext) OVERRIDE;
-
-  virtual bool DecryptString(const std::string& ciphertext,
-                             std::string* plaintext) OVERRIDE;
-};
-
-}  // namespace gcm
-
-#endif  // COMPONENTS_GCM_DRIVER_SYSTEM_ENCRYPTOR_H_