Revert of Change WebRTC SslCipher to be exposed as number only.

talk/app/webrtc/statscollector.cc

Index: talk/app/webrtc/statscollector.cc
diff --git a/talk/app/webrtc/statscollector.cc b/talk/app/webrtc/statscollector.cc
index 6e2c950e22c0d956ff6dd5b687bb807746475297..021234709dc2983af631f81db01df8db4ac18de5 100644
--- a/talk/app/webrtc/statscollector.cc
+++ b/talk/app/webrtc/statscollector.cc
@@ -734,12 +734,10 @@
         channel_report->AddString(StatsReport::kStatsValueNameSrtpCipher,
                                   srtp_cipher);
       }
-      uint16_t ssl_cipher = channel_iter.ssl_cipher;
-      if (ssl_cipher &&
-          rtc::SSLStreamAdapter::GetSslCipherSuiteName(ssl_cipher).length()) {
-        channel_report->AddString(
-            StatsReport::kStatsValueNameDtlsCipher,
-            rtc::SSLStreamAdapter::GetSslCipherSuiteName(ssl_cipher));
+      const std::string& ssl_cipher = channel_iter.ssl_cipher;
+      if (!ssl_cipher.empty()) {
+        channel_report->AddString(StatsReport::kStatsValueNameDtlsCipher,
+                                  ssl_cipher);
       }
 
       int connection_id = 0;