Ability to specify KeyType (RSA, ECDSA) in CreatePeerConnection

talk/app/webrtc/webrtcsessiondescriptionfactory.cc

Index: talk/app/webrtc/webrtcsessiondescriptionfactory.cc
diff --git a/talk/app/webrtc/webrtcsessiondescriptionfactory.cc b/talk/app/webrtc/webrtcsessiondescriptionfactory.cc
index aab24cf0654b01054355842d54c22ea470c2c3d7..3edc53835a7cf81e827be2dff59c717885048d3d 100644
--- a/talk/app/webrtc/webrtcsessiondescriptionfactory.cc
+++ b/talk/app/webrtc/webrtcsessiondescriptionfactory.cc
@@ -129,6 +129,7 @@ WebRtcSessionDescriptionFactory::WebRtcSessionDescriptionFactory(
     cricket::ChannelManager* channel_manager,
     MediaStreamSignaling* mediastream_signaling,
     DTLSIdentityServiceInterface* dtls_identity_service,
+    rtc::KeyType key_type,
     WebRtcSession* session,
     const std::string& session_id,
     cricket::DataChannelType dct,
@@ -155,6 +156,7 @@ WebRtcSessionDescriptionFactory::WebRtcSessionDescriptionFactory(
     return;
   }
 
+  // TODO(hbos): Use |key_type| after webrtc CR 1176383004 lands.
   if (identity_service_.get()) {
     identity_request_observer_ =
       new rtc::RefCountedObject<WebRtcIdentityRequestObserver>();