Revert 162259 - Add QuicFramer and friends.

net/quic/crypto/quic_decrypter.h

-// Copyright (c) 2012 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 NET_QUIC_CRYPTO_QUIC_DECRYPTER_H_
-#define NET_QUIC_CRYPTO_QUIC_DECRYPTER_H_
-
-#include "net/base/net_export.h"
-#include "net/quic/crypto/crypto_protocol.h"
-#include "net/quic/quic_protocol.h"
-
-namespace net {
-
-class NET_EXPORT_PRIVATE QuicDecrypter {
- public:
-  virtual ~QuicDecrypter() {}
-
-  static QuicDecrypter* Create(CryptoTag algorithm);
-
-  // Returns a newly created QuicData object containing the decrypted
-  // |ciphertext| or NULL if there is an error.
-  virtual QuicData* Decrypt(base::StringPiece associated_data,
-                            base::StringPiece ciphertext) = 0;
-};
-
-}  // namespace net
-
-#endif  // NET_QUIC_CRYPTO_QUIC_DECRYPTER_H_