Replacing SSLIdentity* with scoped_refptr<RTCCertificate> in TransportChannel layer

webrtc/p2p/base/dtlstransport.h

 /*
  *  Copyright 2012 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.
  */
 
@@ skipping 74 matching lines @@
         }
       } else {
         return BadTransportDescription(
             "Local fingerprint provided but no identity available.",
             error_desc);
       }
     } else {
       certificate_ = nullptr;
     }
 
-    // TODO(hbos): SetLocalCertificate
-    if (!channel->SetLocalIdentity(
-        certificate_ ? certificate_->identity() : nullptr)) {
+    if (!channel->SetLocalCertificate(certificate_)) {
       return BadTransportDescription("Failed to set local identity.",
                                      error_desc);
     }
 
     // Apply the description in the base class.
     return Base::ApplyLocalTransportDescription_w(channel, error_desc);
   }
 
   bool NegotiateTransportDescription_w(ContentAction local_role,
                                        std::string* error_desc) override {
@@ skipping 144 matching lines @@
 
   rtc::scoped_refptr<rtc::RTCCertificate> certificate_;
   rtc::SSLRole secure_role_;
   rtc::SSLProtocolVersion ssl_max_version_;
   rtc::scoped_ptr<rtc::SSLFingerprint> remote_fingerprint_;
 };
 
 }  // namespace cricket
 
 #endif  // WEBRTC_P2P_BASE_DTLSTRANSPORT_H_