Added DtlsCertificate, a ref counted object owning an SSLIdentity

webrtc/p2p/base/dtlstransport.h

Index: webrtc/p2p/base/dtlstransport.h
diff --git a/webrtc/p2p/base/dtlstransport.h b/webrtc/p2p/base/dtlstransport.h
index 27cece49d04ea9cfe328ad0084eca36a7b967f93..a07f2216691a7b42d1cddf2708dda63c672970b7 100644
--- a/webrtc/p2p/base/dtlstransport.h
+++ b/webrtc/p2p/base/dtlstransport.h
@@ -30,9 +30,9 @@ class DtlsTransport : public Base {
                 rtc::Thread* worker_thread,
                 const std::string& content_name,
                 PortAllocator* allocator,
-                rtc::SSLIdentity* identity)
+                rtc::scoped_refptr<webrtc::DtlsCertificate> certificate)
       : Base(signaling_thread, worker_thread, content_name, allocator),
-        identity_(identity),
+        certificate_(certificate),
         secure_role_(rtc::SSL_CLIENT),
         ssl_max_version_(rtc::SSL_PROTOCOL_DTLS_10) {
   }
@@ -40,14 +40,16 @@ class DtlsTransport : public Base {
   ~DtlsTransport() {
     Base::DestroyAllChannels();
   }
-  virtual void SetIdentity_w(rtc::SSLIdentity* identity) {
-    identity_ = identity;
+  void SetCertificate_w(
+      rtc::scoped_refptr<webrtc::DtlsCertificate> certificate) override {
+    certificate_ = certificate;
   }
-  virtual bool GetIdentity_w(rtc::SSLIdentity** identity) {
-    if (!identity_)
+  bool GetCertificate_w(
+      rtc::scoped_refptr<webrtc::DtlsCertificate>* certificate) override {
+    if (!certificate_.get())
       return false;
 
-    *identity = identity_->GetReference();
+    *certificate = certificate_;
     return true;
   }
 
@@ -63,10 +65,10 @@ class DtlsTransport : public Base {
 
     if (local_fp) {
       // Sanity check local fingerprint.
-      if (identity_) {
+      if (certificate_.get()) {
         rtc::scoped_ptr<rtc::SSLFingerprint> local_fp_tmp(
             rtc::SSLFingerprint::Create(local_fp->algorithm,
-                                              identity_));
+                                        certificate_->identity()));
         ASSERT(local_fp_tmp.get() != NULL);
         if (!(*local_fp_tmp == *local_fp)) {
           std::ostringstream desc;
@@ -81,10 +83,10 @@ class DtlsTransport : public Base {
             error_desc);
       }
     } else {
-      identity_ = NULL;
+      certificate_ = nullptr;
     }
 
-    if (!channel->SetLocalIdentity(identity_)) {
+    if (!channel->SetLocalCertificate(certificate_)) {
       return BadTransportDescription("Failed to set local identity.",
                                      error_desc);
     }
@@ -237,7 +239,7 @@ class DtlsTransport : public Base {
     return Base::ApplyNegotiatedTransportDescription_w(channel, error_desc);
   }
 
-  rtc::SSLIdentity* identity_;
+  rtc::scoped_refptr<webrtc::DtlsCertificate> certificate_;
   rtc::SSLRole secure_role_;
   rtc::SSLProtocolVersion ssl_max_version_;
   rtc::scoped_ptr<rtc::SSLFingerprint> remote_fingerprint_;