bug 1486137 - fix the stream ID check when counting TRR streams r=nwgh

MozReview-Commit-ID: DzOu1dRlWtg

Differential Revision: https://phabricator.services.mozilla.com/D5748

--HG--
extra : moz-landing-system : lando

netwerk/protocol/http/Http2Session.cpp

@@ -405,7 +405,7 @@ Http2Session::RegisterStreamID(Http2Stream *stream, uint32_t aNewID)
     }
   }
 
-  if (stream->StreamID() & 1) {
+  if (aNewID & 1) {
     // don't count push streams here
     MOZ_ASSERT(stream->Transaction(), "no transation for the stream!");
     RefPtr<nsHttpConnectionInfo> ci(stream->Transaction()->ConnectionInfo());