Rename crypto/ *_openssl files

crypto/aead_openssl.h

-// Copyright 2015 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 CRYPTO_AEAD_H_
-#define CRYPTO_AEAD_H_
-
-#include <stddef.h>
-
-#include "base/strings/string_piece.h"
-#include "crypto/crypto_export.h"
-
-struct evp_aead_st;
-
-namespace crypto {
-
-// This class exposes the AES-128-CTR-HMAC-SHA256 AEAD, currently only
-// for OpenSSL builds.
-class CRYPTO_EXPORT Aead {
- public:
-  enum AeadAlgorithm { AES_128_CTR_HMAC_SHA256 };
-
-  explicit Aead(AeadAlgorithm algorithm);
-
-  ~Aead();
-
-  void Init(const std::string* key);
-
-  bool Seal(const base::StringPiece& plaintext,
-            const base::StringPiece& nonce,
-            const base::StringPiece& additional_data,
-            std::string* ciphertext) const;
-
-  bool Open(const base::StringPiece& ciphertext,
-            const base::StringPiece& nonce,
-            const base::StringPiece& additional_data,
-            std::string* plaintext) const;
-
-  size_t KeyLength() const;
-
-  size_t NonceLength() const;
-
- private:
-  const std::string* key_;
-  const evp_aead_st* aead_;
-};
-
-}  // namespace crypto
-
-#endif  // CRYPTO_ENCRYPTOR_H_