Added DtlsCertificate, a ref counted object owning an SSLIdentity

webrtc/p2p/base/transportchannelimpl.h

Index: webrtc/p2p/base/transportchannelimpl.h
diff --git a/webrtc/p2p/base/transportchannelimpl.h b/webrtc/p2p/base/transportchannelimpl.h
index 705550b52a846c263a30f93ab55148eb49424c26..d6cbb955732b9ff221ec38f170be1107b1e01f43 100644
--- a/webrtc/p2p/base/transportchannelimpl.h
+++ b/webrtc/p2p/base/transportchannelimpl.h
@@ -12,6 +12,7 @@
 #define WEBRTC_P2P_BASE_TRANSPORTCHANNELIMPL_H_
 
 #include <string>
+
 #include "webrtc/p2p/base/transport.h"
 #include "webrtc/p2p/base/transportchannel.h"
 
@@ -76,13 +77,11 @@ class TransportChannelImpl : public TransportChannel {
   virtual void OnCandidate(const Candidate& candidate) = 0;
 
   // DTLS methods
-  // Set DTLS local identity.  The identity object is not copied, but the caller
-  // retains ownership and must delete it after this TransportChannelImpl is
-  // destroyed.
-  // TODO(bemasc): Fix the ownership semantics of this method.
-  virtual bool SetLocalIdentity(rtc::SSLIdentity* identity) = 0;
+  // Set DTLS local certificate.
+  virtual bool SetLocalCertificate(
+      const rtc::scoped_refptr<webrtc::DtlsCertificate>& certificate) = 0;
 
-  // Set DTLS Remote fingerprint. Must be after local identity set.
+  // Set DTLS Remote fingerprint. Must be after local certificate set.
   virtual bool SetRemoteFingerprint(const std::string& digest_alg,
     const uint8* digest,
     size_t digest_len) = 0;