Revert change which removes GICE

webrtc/p2p/base/transportdescriptionfactory.h

Index: webrtc/p2p/base/transportdescriptionfactory.h
diff --git a/webrtc/p2p/base/transportdescriptionfactory.h b/webrtc/p2p/base/transportdescriptionfactory.h
index 828aa6d22c4f2fae6b0b7d233d2209d3095b9642..f5d0a7ad7682c2443b141e6dd1bbdd242c9368e0 100644
--- a/webrtc/p2p/base/transportdescriptionfactory.h
+++ b/webrtc/p2p/base/transportdescriptionfactory.h
@@ -39,6 +39,8 @@ class TransportDescriptionFactory {
     return certificate_;
   }
 
+  // Specifies the transport protocol to be use.
+  void set_protocol(TransportProtocol protocol) { protocol_ = protocol; }
   // Specifies the transport security policy to use.
   void set_secure(SecurePolicy s) { secure_ = s; }
   // Specifies the certificate to use (only used when secure != SEC_DISABLED).
@@ -60,6 +62,7 @@ class TransportDescriptionFactory {
   bool SetSecurityInfo(TransportDescription* description,
                        ConnectionRole role) const;
 
+  TransportProtocol protocol_;
   SecurePolicy secure_;
   rtc::scoped_refptr<rtc::RTCCertificate> certificate_;
 };