Change WebRTC SslCipher to be exposed as number only.

webrtc/p2p/base/dtlstransportchannel.h

 /*
  *  Copyright 2011 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 117 matching lines @@
   const std::string SessionId() const override { return channel_->SessionId(); }
 
   virtual bool SetSslMaxProtocolVersion(rtc::SSLProtocolVersion version);
 
   // Set up the ciphers to use for DTLS-SRTP. If this method is not called
   // before DTLS starts, or |ciphers| is empty, SRTP keys won't be negotiated.
   // This method should be called before SetupDtls.
   bool SetSrtpCiphers(const std::vector<std::string>& ciphers) override;
 
   // Find out which DTLS-SRTP cipher was negotiated
-  bool GetSrtpCipher(std::string* cipher) override;
+  bool GetSrtpCipherByRfcName(std::string* cipher) override;
 
   bool GetSslRole(rtc::SSLRole* role) const override;
   bool SetSslRole(rtc::SSLRole role) override;
 
   // Find out which DTLS cipher was negotiated
-  bool GetSslCipher(std::string* cipher) override;
+  bool GetSslCipher(uint16_t* cipher) override;
 
   // Once DTLS has been established, this method retrieves the certificate in
   // use by the remote peer, for use in external identity verification.
   bool GetRemoteSSLCertificate(rtc::SSLCertificate** cert) const override;
 
   // Once DTLS has established (i.e., this channel is writable), this method
   // extracts the keys negotiated during the DTLS handshake, for use in external
   // encryption. DTLS-SRTP uses this to extract the needed SRTP keys.
   // See the SSLStreamAdapter documentation for info on the specific parameters.
   bool ExportKeyingMaterial(const std::string& label,
@@ skipping 78 matching lines @@
   rtc::SSLProtocolVersion ssl_max_version_;
   rtc::Buffer remote_fingerprint_value_;
   std::string remote_fingerprint_algorithm_;
 
   RTC_DISALLOW_COPY_AND_ASSIGN(DtlsTransportChannelWrapper);
 };
 
 }  // namespace cricket
 
 #endif  // WEBRTC_P2P_BASE_DTLSTRANSPORTCHANNEL_H_