Added DtlsCertificate, a ref counted object owning an SSLIdentity

talk/app/webrtc/peerconnection.h

Index: talk/app/webrtc/peerconnection.h
diff --git a/talk/app/webrtc/peerconnection.h b/talk/app/webrtc/peerconnection.h
index df4cb78fc1de5c0281d66e02f70ad28bff8b505d..c9af07d454dcde69705162c66e08dca4d738e1ee 100644
--- a/talk/app/webrtc/peerconnection.h
+++ b/talk/app/webrtc/peerconnection.h
@@ -58,12 +58,19 @@ class PeerConnection : public PeerConnectionInterface,
  public:
   explicit PeerConnection(PeerConnectionFactory* factory);
 
+  // This method takes the ownership of |dtls_identity_service|.
   bool Initialize(
-      const PeerConnectionInterface::RTCConfiguration& configuration,
-      const MediaConstraintsInterface* constraints,
-      PortAllocatorFactoryInterface* allocator_factory,
-      rtc::scoped_ptr<DtlsIdentityStoreInterface> dtls_identity_store,
-      PeerConnectionObserver* observer);
+        const PeerConnectionInterface::RTCConfiguration& configuration,
+        const MediaConstraintsInterface* constraints,
+        PortAllocatorFactoryInterface* allocator_factory,
+        rtc::scoped_ptr<DtlsIdentityStoreInterface> dtls_identity_store,
+        PeerConnectionObserver* observer);
+  bool Initialize(
+        const PeerConnectionInterface::RTCConfiguration& configuration,
+        const MediaConstraintsInterface* constraints,
+        PortAllocatorFactoryInterface* allocator_factory,
+        const rtc::scoped_refptr<DtlsCertificate>& certificate,
+        PeerConnectionObserver* observer);
   virtual rtc::scoped_refptr<StreamCollectionInterface> local_streams();
   virtual rtc::scoped_refptr<StreamCollectionInterface> remote_streams();
   virtual bool AddStream(MediaStreamInterface* local_stream);
@@ -116,6 +123,16 @@ class PeerConnection : public PeerConnectionInterface,
   virtual ~PeerConnection();
 
  private:
+  // Initialize helper function. Initializes everything necessary by the peer
+  // connection except |session_|. The |session_| is created and ice observer
+  // and OnSessionStateChange registered, but the |session_|->Initialize call
+  // necessary and sufficient to complete initialization is not performed here.
+  bool InitializeInternal(
+      const PeerConnectionInterface::RTCConfiguration& configuration,
+      const MediaConstraintsInterface* constraints,
+      PortAllocatorFactoryInterface* allocator_factory,
+      PeerConnectionObserver* observer);
+
   // Implements MessageHandler.
   virtual void OnMessage(rtc::Message* msg);