Created attachment 592150 [details] [diff] [review]
The telemetry numbers we get are not ideal. We really want to know if ISimpleDOM was used, or not. (See bug 679786 comment 8 and 9)
Trevor I attach a naive solution. Is there a better place? (You are closer to the original bug).
However failed to compile, so backed out:
Created attachment 594475 [details] [diff] [review]
patch (carry over r+ from trev)
Sigh, forgot to qrefresh. Sorry for the trouble.