Reland Convert internal representation of Srtp cryptos from string to int

webrtc/p2p/base/transport.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 105 matching lines @@
   void* key;                   // A static value that identifies this conn.
 };
 
 // Information about all the connections of a channel.
 typedef std::vector<ConnectionInfo> ConnectionInfos;
 
 // Information about a specific channel
 struct TransportChannelStats {
   int component = 0;
   ConnectionInfos connection_infos;
-  std::string srtp_cipher;
-  int ssl_cipher = 0;
+  int srtp_crypto_suite = rtc::SRTP_INVALID_CRYPTO_SUITE;
+  int ssl_cipher_suite = rtc::TLS_NULL_WITH_NULL_NULL;
 };
 
 // Information about all the channels of a transport.
 // TODO(hta): Consider if a simple vector is as good as a map.
 typedef std::vector<TransportChannelStats> TransportChannelStatsList;
 
 // Information about the stats of a transport.
 struct TransportStats {
   std::string transport_name;
   TransportChannelStatsList channel_stats;
@@ skipping 175 matching lines @@
 
   ChannelMap channels_;
 
   RTC_DISALLOW_COPY_AND_ASSIGN(Transport);
 };
 
 
 }  // namespace cricket
 
 #endif  // WEBRTC_P2P_BASE_TRANSPORT_H_