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

webrtc/p2p/base/dtlstransportchannel.cc

Index: webrtc/p2p/base/dtlstransportchannel.cc
diff --git a/webrtc/p2p/base/dtlstransportchannel.cc b/webrtc/p2p/base/dtlstransportchannel.cc
index ff42a4df13aec4662228cf762465b9b708b812f2..b434d0860e1e73763a89d1fddbc2439d39fd5c4f 100644
--- a/webrtc/p2p/base/dtlstransportchannel.cc
+++ b/webrtc/p2p/base/dtlstransportchannel.cc
@@ -186,12 +186,12 @@
   return true;
 }
 
-bool DtlsTransportChannelWrapper::GetSslCipherSuite(uint16_t* cipher) {
+bool DtlsTransportChannelWrapper::GetSslCipher(std::string* cipher) {
   if (dtls_state_ != STATE_OPEN) {
     return false;
   }
 
-  return dtls_->GetSslCipherSuite(cipher);
+  return dtls_->GetSslCipher(cipher);
 }
 
 bool DtlsTransportChannelWrapper::SetRemoteFingerprint(
@@ -330,7 +330,7 @@
   return true;
 }
 
-bool DtlsTransportChannelWrapper::GetSrtpCryptoSuite(std::string* cipher) {
+bool DtlsTransportChannelWrapper::GetSrtpCipher(std::string* cipher) {
   if (dtls_state_ != STATE_OPEN) {
     return false;
   }