Revert "Reland "Remove GICE (gone forever!) and PORTALLOCATOR_ENABLE_SHARED_UFRAG (enabled forever)…

webrtc/p2p/base/session.h

Index: webrtc/p2p/base/session.h
diff --git a/webrtc/p2p/base/session.h b/webrtc/p2p/base/session.h
index 79ccafd293a55c68eabc9c1a9a02737df42e2d9f..19ce3611b077b697990d2a932855bcaefe5852c1 100644
--- a/webrtc/p2p/base/session.h
+++ b/webrtc/p2p/base/session.h
@@ -238,6 +238,8 @@ class BaseSession : public sigslot::has_slots<>,
   // from local/remote_description(). Remove these functions and members.
   // Returns the XML namespace identifying the type of this session.
   const std::string& content_type() const { return content_type_; }
+  // Returns the XML namespace identifying the transport used for this session.
+  const std::string& transport_type() const { return transport_type_; }
 
   // Indicates whether we initiated this session.
   bool initiator() const { return initiator_; }
@@ -443,6 +445,7 @@ class BaseSession : public sigslot::has_slots<>,
   PortAllocator* const port_allocator_;
   const std::string sid_;
   const std::string content_type_;
+  const std::string transport_type_;
   bool initiator_;
   rtc::SSLIdentity* identity_;
   rtc::SSLProtocolVersion ssl_max_version_;