Added DtlsCertificate, a ref counted object owning an SSLIdentity

webrtc/base/opensslstreamadapter.h

 /*
  *  Copyright 2004 The WebRTC Project Authors. All rights reserved.
  *
  *  Use of this source code is governed by a BSD-style license
  *  that can be found in the LICENSE file in the root of the source
  *  tree. An additional intellectual property rights grant can be found
  *  in the file PATENTS.  All contributing project authors may
  *  be found in the AUTHORS file in the root of the source tree.
  */
 
@@ skipping 43 matching lines @@
 
 class OpenSSLIdentity;
 
 ///////////////////////////////////////////////////////////////////////////////
 
 class OpenSSLStreamAdapter : public SSLStreamAdapter {
  public:
   explicit OpenSSLStreamAdapter(StreamInterface* stream);
   ~OpenSSLStreamAdapter() override;
 
-  void SetIdentity(SSLIdentity* identity) override;
+  void SetCertificate(
+      const scoped_refptr<webrtc::DtlsCertificate>& certificate) override;
 
   // Default argument is for compatibility
   void SetServerRole(SSLRole role = SSL_SERVER) override;
   bool SetPeerCertificateDigest(const std::string& digest_alg,
                                 const unsigned char* digest_val,
                                 size_t digest_len) override;
 
   bool GetPeerCertificate(SSLCertificate** cert) const override;
 
   int StartSSLWithServer(const char* server_name) override;
@@ skipping 99 matching lines @@
   SSLRole role_;
   int ssl_error_code_;  // valid when state_ == SSL_ERROR or SSL_CLOSED
   // Whether the SSL negotiation is blocked on needing to read or
   // write to the wrapped stream.
   bool ssl_read_needs_write_;
   bool ssl_write_needs_read_;
 
   SSL* ssl_;
   SSL_CTX* ssl_ctx_;
 
-  // Our key and certificate, mostly useful in peer-to-peer mode.
-  scoped_ptr<OpenSSLIdentity> identity_;
+  // Contains our key and certificate, mostly useful in peer-to-peer mode.
+  scoped_refptr<webrtc::DtlsCertificate> certificate_;
   // in traditional mode, the server name that the server's certificate
   // must specify. Empty in peer-to-peer mode.
   std::string ssl_server_name_;
   // The certificate that the peer must present or did present. Initially
   // null in traditional mode, until the connection is established.
   scoped_ptr<OpenSSLCertificate> peer_certificate_;
   // In peer-to-peer mode, the digest of the certificate that
   // the peer must present.
   Buffer peer_certificate_digest_value_;
   std::string peer_certificate_digest_algorithm_;
 
   // OpenSSLAdapter::custom_verify_callback_ result
   bool custom_verification_succeeded_;
 
   // The DtlsSrtp ciphers
   std::string srtp_ciphers_;
 
   // Do DTLS or not
   SSLMode ssl_mode_;
 
   // Max. allowed protocol version
   SSLProtocolVersion ssl_max_version_;
 };
 
 /////////////////////////////////////////////////////////////////////////////
 
 }  // namespace rtc
 
 #endif  // WEBRTC_BASE_OPENSSLSTREAMADAPTER_H__