Add a system trace scope for event region building
Created attachment 363371 [details] Patch
Comment on attachment 363371 [details] Patch View in context: https://bugs.webkit.org/attachment.cgi?id=363371&action=review > Source/WTF/wtf/SystemTracing.h:78 > + ComputeEventRegionsStart, > + ComputeEventRegionsEnd, Why this trace point is not used in this patch?
I'll use it elsewhere.
https://trac.webkit.org/changeset/242294/webkit
<rdar://problem/48527697>