Convert internal representation of Srtp cryptos from string to int.

talk/app/webrtc/webrtcsession.cc

Index: talk/app/webrtc/webrtcsession.cc
diff --git a/talk/app/webrtc/webrtcsession.cc b/talk/app/webrtc/webrtcsession.cc
index 95abeab77a9c9e6dc6e1a1033b083d9f41535e7a..95c42eda22f327b9b66ff58849ac728c3cb3785b 100644
--- a/talk/app/webrtc/webrtcsession.cc
+++ b/talk/app/webrtc/webrtcsession.cc
@@ -2164,9 +2164,9 @@ void WebRtcSession::ReportNegotiatedCiphers(
     return;
   }
 
-  const std::string& srtp_cipher = stats.channel_stats[0].srtp_cipher;
+  int srtp_cipher = stats.channel_stats[0].srtp_cipher;
   int ssl_cipher = stats.channel_stats[0].ssl_cipher;

[pthatcher1, 2015/11/11 19:59:40]

And here to?

[guoweis_webrtc, 2015/11/17 01:21:15]

Done.

-  if (srtp_cipher.empty() && !ssl_cipher) {
+  if (!srtp_cipher && !ssl_cipher) {
     return;
   }
 
@@ -2186,9 +2186,9 @@ void WebRtcSession::ReportNegotiatedCiphers(
     return;
   }
 
-  if (!srtp_cipher.empty()) {
-    metrics_observer_->IncrementSparseEnumCounter(
-        srtp_counter_type, rtc::GetSrtpCryptoSuiteFromName(srtp_cipher));
+  if (srtp_cipher) {
+    metrics_observer_->IncrementSparseEnumCounter(srtp_counter_type,
+                                                  srtp_cipher);
   }
   if (ssl_cipher) {
     metrics_observer_->IncrementSparseEnumCounter(ssl_counter_type, ssl_cipher);