Report metrics about negotiated ciphers.

talk/app/webrtc/umametrics.h

 /*
  * libjingle
  * Copyright 2014 Google Inc.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are met:
  *
  *  1. Redistributions of source code must retain the above copyright notice,
  *     this list of conditions and the following disclaimer.
  *  2. Redistributions in binary form must reproduce the above copyright notice,
@@ skipping 47 matching lines @@
 // TODO(guoweis): Keep previous name here until all references are renamed.
 typedef PeerConnectionMetricsCounter PeerConnectionUMAMetricsCounter;
 
 // This enum defines types for UMA samples, which will have a range.
 enum PeerConnectionMetricsName {
   kNetworkInterfaces_IPv4,  // Number of IPv4 interfaces.
   kNetworkInterfaces_IPv6,  // Number of IPv6 interfaces.
   kTimeToConnect,           // In milliseconds.
   kLocalCandidates_IPv4,    // Number of IPv4 local candidates.
   kLocalCandidates_IPv6,    // Number of IPv6 local candidates.
+  kAudioSrtpCipher,         // Name of SRTP cipher used in audio channel.
+  kAudioSslCipher,          // Name of SSL cipher used in audio channel.
+  kVideoSrtpCipher,         // Name of SRTP cipher used in video channel.
+  kVideoSslCipher,          // Name of SSL cipher used in video channel.
+  kDataSrtpCipher,          // Name of SRTP cipher used in data channel.
+  kDataSslCipher,           // Name of SSL cipher used in data channel.
   kPeerConnectionMetricsName_Max
 };
 
 // TODO(guoweis): Keep previous name here until all references are renamed.
 typedef PeerConnectionMetricsName PeerConnectionUMAMetricsName;
 
 }  // namespace webrtc
 
 #endif  // TALK_APP_WEBRTC_UMA6METRICS_H_