Revert 162259 - Add QuicFramer and friends.

net/quic/crypto/null_encrypter.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_NULL_ENCRYPTER_H_
-#define NET_QUIC_CRYPTO_NULL_ENCRYPTER_H_
-
-#include "base/compiler_specific.h"
-#include "net/base/net_export.h"
-#include "net/quic/crypto/quic_encrypter.h"
-
-namespace net {
-
-// A NullEncrypter is a QuicEncrypter used before a crypto negotiation
-// has occurred.  It does not actually encrypt the payload, but does
-// generate a MAC (fnv128) over both the payload and associated data.
-class NET_EXPORT_PRIVATE NullEncrypter : public QuicEncrypter {
- public:
-  virtual ~NullEncrypter() {}
-
-  // QuicEncrypter implementation
-  virtual QuicData* Encrypt(base::StringPiece associated_data,
-                            base::StringPiece plaintext) OVERRIDE;
-  virtual size_t GetMaxPlaintextSize(size_t ciphertext_size) OVERRIDE;
-  virtual size_t GetCiphertextSize(size_t plaintext_size) OVERRIDE;
-};
-
-}  // namespace net
-
-#endif  // NET_QUIC_CRYPTO_NULL_ENCRYPTER_H_