Support encrypted RTP extensions (RFC 6904)

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 fc16edff14f38db531e31b63d59fbbd6e59e34a1..f5d658340baefacaf83494c48afa9f1d08f94fda 100644
--- a/webrtc/p2p/base/dtlstransportchannel.cc
+++ b/webrtc/p2p/base/dtlstransportchannel.cc
@@ -117,7 +117,8 @@ DtlsTransport::DtlsTransport(IceTransportInternal* ice_transport,
       downward_(NULL),
       srtp_ciphers_(GetSupportedDtlsSrtpCryptoSuites(crypto_options)),
       ssl_role_(rtc::SSL_CLIENT),
-      ssl_max_version_(rtc::SSL_PROTOCOL_DTLS_12) {
+      ssl_max_version_(rtc::SSL_PROTOCOL_DTLS_12),
+      crypto_options_(crypto_options) {
   ice_transport_->SignalWritableState.connect(this,
                                               &DtlsTransport::OnWritableState);
   ice_transport_->SignalReadPacket.connect(this, &DtlsTransport::OnReadPacket);