Refactor QuicCryptoServerStream.

net/tools/quic/quic_simple_server_session_helper.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_TOOLS_QUIC_QUIC_SIMPLE_SERVER_SESSION_HELPER_H_
 #define NET_TOOLS_QUIC_QUIC_SIMPLE_SERVER_SESSION_HELPER_H_
 
 #include "net/quic/core/crypto/quic_random.h"
 #include "net/quic/core/quic_server_session_base.h"
 
 namespace net {
 
 // Simple helper for server sessions which generates a new random
 // connection ID for stateless rejects.
-class QuicSimpleServerSessionHelper : public QuicServerSessionBase::Helper {
+class QuicSimpleServerSessionHelper : public QuicCryptoServerStream::Helper {
  public:
   explicit QuicSimpleServerSessionHelper(QuicRandom* random);
 
   ~QuicSimpleServerSessionHelper() override;
 
   QuicConnectionId GenerateConnectionIdForReject(
       QuicConnectionId /*connection_id*/) const override;
 
   bool CanAcceptClientHello(const CryptoHandshakeMessage& message,
                             const IPEndPoint& self_address,
                             std::string* error_details) const override;
 
  private:
   QuicRandom* random_;  // Unowned.
 };
 
 }  // namespace net
 
 #endif  // NET_TOOLS_QUIC_QUIC_SIMPLE_SERVER_SESSION_HELPER_H_