Move shared files in net/quic/ into net/quic/core/

net/quic/crypto/ephemeral_key_source.h

-// Copyright (c) 2013 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_EPHEMERAL_KEY_SOURCE_H_
-#define NET_QUIC_CRYPTO_EPHEMERAL_KEY_SOURCE_H_
-
-#include <string>
-
-#include "base/strings/string_piece.h"
-#include "net/base/net_export.h"
-#include "net/quic/quic_time.h"
-
-namespace net {
-
-class KeyExchange;
-class QuicRandom;
-
-// EphemeralKeySource manages and rotates ephemeral keys as they can be reused
-// for several connections in a short space of time. Since the implementation
-// of this may involve locking or thread-local data, this interface abstracts
-// that away.
-class NET_EXPORT_PRIVATE EphemeralKeySource {
- public:
-  virtual ~EphemeralKeySource() {}
-
-  // CalculateForwardSecureKey generates an ephemeral public/private key pair
-  // using the algorithm |key_exchange|, sets |*public_value| to the public key
-  // and returns the shared key between |peer_public_value| and the private
-  // key. |*public_value| will be sent to the peer to be used with the peer's
-  // private key.
-  virtual std::string CalculateForwardSecureKey(
-      const KeyExchange* key_exchange,
-      QuicRandom* rand,
-      QuicTime now,
-      base::StringPiece peer_public_value,
-      std::string* public_value) = 0;
-};
-
-}  // namespace net
-
-#endif  // NET_QUIC_CRYPTO_EPHEMERAL_KEY_SOURCE_H_