Added DtlsCertificate, a ref counted object owning an SSLIdentity

talk/app/webrtc/peerconnectionfactory.h

Index: talk/app/webrtc/peerconnectionfactory.h
diff --git a/talk/app/webrtc/peerconnectionfactory.h b/talk/app/webrtc/peerconnectionfactory.h
index c5855f452b76cc4be2be35d3e6e7c91c5d0d2ef6..f6c4a179d3c965b40a84d35a0416a562dde8e43f 100644
--- a/talk/app/webrtc/peerconnectionfactory.h
+++ b/talk/app/webrtc/peerconnectionfactory.h
@@ -58,6 +58,14 @@ class PeerConnectionFactory : public PeerConnectionFactoryInterface {
           rtc::scoped_ptr<DtlsIdentityStoreInterface> dtls_identity_store,
           PeerConnectionObserver* observer) override;
 
+  virtual rtc::scoped_refptr<PeerConnectionInterface>
+      CreatePeerConnection(
+          const PeerConnectionInterface::RTCConfiguration& configuration,
+          const MediaConstraintsInterface* constraints,
+          PortAllocatorFactoryInterface* allocator_factory,
+          const rtc::scoped_refptr<DtlsCertificate>& certificate,
+          PeerConnectionObserver* observer) override;
+
   bool Initialize();
 
   rtc::scoped_refptr<MediaStreamInterface>
@@ -96,6 +104,9 @@ class PeerConnectionFactory : public PeerConnectionFactoryInterface {
   virtual ~PeerConnectionFactory();
 
  private:
+  // CreatePeerConnection helper function.
+  PortAllocatorFactoryInterface* CreatePeerConnectionChooseAllocatorFactory(
+      PortAllocatorFactoryInterface* allocator_factory);
   cricket::MediaEngineInterface* CreateMediaEngine_w();
 
   bool owns_ptrs_;