Revert "Allow remote fingerprint update during a call"

talk/session/media/channel.h

Index: talk/session/media/channel.h
diff --git a/talk/session/media/channel.h b/talk/session/media/channel.h
index 11409548e3fa1bee8d4b82c68cca88c2e9870eaa..ef0eb562f9dc36a710204d9798cf0e75a7580360 100644
--- a/talk/session/media/channel.h
+++ b/talk/session/media/channel.h
@@ -213,8 +213,6 @@ class BaseChannel
                              int flags);
   void OnReadyToSend(TransportChannel* channel);
 
-  void OnDtlsState(TransportChannel* channel, DtlsTransportState state);
-
   bool PacketIsRtcp(const TransportChannel* channel, const char* data,
                     size_t len);
   bool SendPacket(bool rtcp,
@@ -237,7 +235,6 @@ class BaseChannel
   // Do the DTLS key expansion and impose it on the SRTP/SRTCP filters.
   // |rtcp_channel| indicates whether to set up the RTP or RTCP filter.
   bool SetupDtlsSrtp(bool rtcp_channel);
-  void MaybeSetupDtlsSrtp_w();
   // Set the DTLS-SRTP cipher policy on this channel as appropriate.
   bool SetDtlsSrtpCryptoSuites(TransportChannel* tc, bool rtcp);