Narrowing this bug just to hooking up the backend. Katie will tackle the frontend part.
Created attachment 228568 [details]
Comment on attachment 228568 [details]
View in context: https://bugs.webkit.org/attachment.cgi?id=228568&action=review
> + case TimelineAgent.EventType.ProbeSample:
> + break;
FIXME comment here would be nice.
Committed r166827: <http://trac.webkit.org/changeset/166827>