Ability to specify KeyType (RSA, ECDSA) in CreatePeerConnection

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 d6bf03f3d1e9f4f3c08c42e2185e0b7918f605ca..9df6f6a60f4c0ec62098f74db754ed6691e731a5 100644
--- a/talk/app/webrtc/peerconnectionfactory.h
+++ b/talk/app/webrtc/peerconnectionfactory.h
@@ -46,13 +46,14 @@ class PeerConnectionFactory : public PeerConnectionFactoryInterface {
     options_ = options;
   }
 
-  virtual rtc::scoped_refptr<PeerConnectionInterface>
+  rtc::scoped_refptr<PeerConnectionInterface>
       CreatePeerConnection(
           const PeerConnectionInterface::RTCConfiguration& configuration,
           const MediaConstraintsInterface* constraints,
           PortAllocatorFactoryInterface* allocator_factory,
           DTLSIdentityServiceInterface* dtls_identity_service,
-          PeerConnectionObserver* observer);
+          rtc::KeyType key_type,
+          PeerConnectionObserver* observer) override;
 
   bool Initialize();