Removing NSS files and USE_OPENSSL flag

net/socket/ssl_server_socket_nss.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_SOCKET_SSL_SERVER_SOCKET_NSS_H_
-#define NET_SOCKET_SSL_SERVER_SOCKET_NSS_H_
-
-#include <certt.h>
-#include <keyt.h>
-#include <nspr.h>
-#include <nss.h>
-#include <stdint.h>
-
-#include <memory>
-
-#include "base/macros.h"
-#include "net/base/completion_callback.h"
-#include "net/base/host_port_pair.h"
-#include "net/base/nss_memio.h"
-#include "net/log/net_log.h"
-#include "net/socket/ssl_server_socket.h"
-#include "net/ssl/ssl_server_config.h"
-
-namespace net {
-
-class SSLServerContextNSS : public SSLServerContext {
- public:
-  SSLServerContextNSS(X509Certificate* certificate,
-                      const crypto::RSAPrivateKey& key,
-                      const SSLServerConfig& ssl_server_config);
-  ~SSLServerContextNSS() override;
-
-  std::unique_ptr<SSLServerSocket> CreateSSLServerSocket(
-      std::unique_ptr<StreamSocket> socket) override;
-
- private:
-  // Options for the SSL socket.
-  SSLServerConfig ssl_server_config_;
-
-  // Certificate for the server.
-  scoped_refptr<X509Certificate> cert_;
-
-  // Private key used by the server.
-  std::unique_ptr<crypto::RSAPrivateKey> key_;
-};
-
-}  // namespace net
-
-#endif  // NET_SOCKET_SSL_SERVER_SOCKET_NSS_H_