Added DtlsCertificate, a ref counted object owning an SSLIdentity

talk/app/webrtc/webrtcsession.h

Index: talk/app/webrtc/webrtcsession.h
diff --git a/talk/app/webrtc/webrtcsession.h b/talk/app/webrtc/webrtcsession.h
index 30ebc1e49ee8dcc07e015e20f784f87d84af725e..ebdaf0a01a70b953d6a80c786085c1a898542202 100644
--- a/talk/app/webrtc/webrtcsession.h
+++ b/talk/app/webrtc/webrtcsession.h
@@ -31,6 +31,7 @@
 #include <string>
 
 #include "talk/app/webrtc/datachannel.h"
+#include "talk/app/webrtc/dtlscertificate.h"
 #include "talk/app/webrtc/dtmfsender.h"
 #include "talk/app/webrtc/mediastreamprovider.h"
 #include "talk/app/webrtc/peerconnectioninterface.h"
@@ -122,11 +123,17 @@ class WebRtcSession : public cricket::BaseSession,
                 MediaStreamSignaling* mediastream_signaling);
   virtual ~WebRtcSession();
 
+  // This method takes the ownership of |dtls_identity_service|.
   bool Initialize(
       const PeerConnectionFactoryInterface::Options& options,
       const MediaConstraintsInterface* constraints,
       DTLSIdentityServiceInterface* dtls_identity_service,
       const PeerConnectionInterface::RTCConfiguration& rtc_configuration);
+  bool Initialize(
+      const PeerConnectionFactoryInterface::Options& options,
+      const MediaConstraintsInterface* constraints,
+      rtc::scoped_refptr<webrtc::DtlsCertificate> certificate,
+      const PeerConnectionInterface::RTCConfiguration& rtc_configuration);
   // Deletes the voice, video and data channel and changes the session state
   // to STATE_RECEIVEDTERMINATE.
   void Terminate();
@@ -245,13 +252,14 @@ class WebRtcSession : public cricket::BaseSession,
 
   void ResetIceRestartLatch();
 
-  // Called when an SSLIdentity is generated or retrieved by
+  // Called when a DtlsCertificate is generated or retrieved by
   // WebRTCSessionDescriptionFactory. Should happen before setLocalDescription.
-  void OnIdentityReady(rtc::SSLIdentity* identity);
+  void OnCertificateReady(rtc::scoped_refptr<DtlsCertificate> certificate);
   void OnDtlsSetupFailure(cricket::BaseChannel*, bool rtcp);
 
   // For unit test.
-  bool waiting_for_identity() const;
+  bool waiting_for_certificate() const;
+  rtc::scoped_refptr<DtlsCertificate> get_certificate() const;
 
   void set_metrics_observer(
       webrtc::MetricsObserverInterface* metrics_observer) {
@@ -267,6 +275,13 @@ class WebRtcSession : public cricket::BaseSession,
     kAnswer,
   };
 
+  bool InitializeCommon(
+      const PeerConnectionFactoryInterface::Options& options,
+      const MediaConstraintsInterface* constraints,
+      const PeerConnectionInterface::RTCConfiguration& rtc_configuration);
+  void InitializeFactoryAfterConstruction(
+      const PeerConnectionFactoryInterface::Options& options);
+
   // Invokes ConnectChannels() on transport proxies, which initiates ice
   // candidates allocation.
   bool StartCandidatesAllocation();
@@ -392,6 +407,7 @@ class WebRtcSession : public cricket::BaseSession,
   // 3. If both 1&2 are false, data channel is not allowed (DCT_NONE).
   cricket::DataChannelType data_channel_type_;
   rtc::scoped_ptr<IceRestartAnswerLatch> ice_restart_latch_;
+  rtc::scoped_refptr<DtlsCertificate> certificate_;
 
   rtc::scoped_ptr<WebRtcSessionDescriptionFactory>
       webrtc_session_desc_factory_;