Removing NSS files and USE_OPENSSL flag

net/quic/crypto/chacha20_poly1305_rfc7539_decrypter.h

 // Copyright 2014 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_CHACHA20_POLY1305_RFC7539_DECRYPTER_H_
 #define NET_QUIC_CRYPTO_CHACHA20_POLY1305_RFC7539_DECRYPTER_H_
 
 #include <stddef.h>
 #include <stdint.h>
 
@@ skipping 20 matching lines @@
   ChaCha20Poly1305Rfc7539Decrypter();
   ~ChaCha20Poly1305Rfc7539Decrypter() override;
 
   // Returns true if the underlying crypto library supports the RFC 7539
   // variant of ChaCha20+Poly1305.
   static bool IsSupported();
 
   const char* cipher_name() const override;
   uint32_t cipher_id() const override;
 
-#if !defined(USE_OPENSSL)
- protected:
-  // AeadBaseDecrypter methods:
-  void FillAeadParams(base::StringPiece nonce,
-                      base::StringPiece associated_data,
-                      size_t auth_tag_size,
-                      AeadParams* aead_params) const override;
-#endif
-
  private:
   DISALLOW_COPY_AND_ASSIGN(ChaCha20Poly1305Rfc7539Decrypter);
 };
 
 }  // namespace net
 
 #endif  // NET_QUIC_CRYPTO_CHACHA20_POLY1305_RFC7539_DECRYPTER_H_