We were sending notification when web process becomes suspended or resumed, but not when the suspension is canceled. <rdar://problem/37267197>
Created attachment 333528 [details] patch
Comment on attachment 333528 [details] patch lgtm
Comment on attachment 333528 [details] patch Clearing flags on attachment: 333528 Committed r228350: <https://trac.webkit.org/changeset/228350>
All reviewed patches have been landed. Closing bug.