Added DtlsCertificate, a ref counted object owning an SSLIdentity

webrtc/p2p/base/transportchannelimpl.h

 /*
  *  Copyright 2004 The WebRTC Project Authors. All rights reserved.
  *
  *  Use of this source code is governed by a BSD-style license
  *  that can be found in the LICENSE file in the root of the source
  *  tree. An additional intellectual property rights grant can be found
  *  in the file PATENTS.  All contributing project authors may
  *  be found in the AUTHORS file in the root of the source tree.
  */
 
 #ifndef WEBRTC_P2P_BASE_TRANSPORTCHANNELIMPL_H_
 #define WEBRTC_P2P_BASE_TRANSPORTCHANNELIMPL_H_
 
 #include <string>
+
 #include "webrtc/p2p/base/transport.h"
 #include "webrtc/p2p/base/transportchannel.h"
 
 namespace buzz { class XmlElement; }
 
 namespace cricket {
 
 class Candidate;
 
 // Base class for real implementations of TransportChannel.  This includes some
@@ skipping 44 matching lines @@
   //
   // Note: Since candidates are delivered asynchronously to the
   // channel, they cannot return an error if the message is invalid.
   // It is assumed that the Transport will have checked validity
   // before forwarding.
   sigslot::signal2<TransportChannelImpl*,
                    const Candidate&> SignalCandidateReady;
   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;
 
   virtual bool SetSslRole(rtc::SSLRole role) = 0;
 
   // TransportChannel is forwarding this signal from PortAllocatorSession.
   sigslot::signal1<TransportChannelImpl*> SignalCandidatesAllocationDone;
 
   // Invoked when there is conflict in the ICE role between local and remote
   // agents.
   sigslot::signal1<TransportChannelImpl*> SignalRoleConflict;
 
   // Emitted whenever the number of connections available to the transport
   // channel decreases.
   sigslot::signal1<TransportChannelImpl*> SignalConnectionRemoved;
 
  private:
   DISALLOW_COPY_AND_ASSIGN(TransportChannelImpl);
 };
 
 }  // namespace cricket
 
 #endif  // WEBRTC_P2P_BASE_TRANSPORTCHANNELIMPL_H_