Code cleanup in EventHandler
Created attachment 398437 [details] Patch
Created attachment 398442 [details] Patch
Created attachment 398446 [details] Patch
Created attachment 398458 [details] Patch
Created attachment 398461 [details] Patch
Committed r261143: <https://trac.webkit.org/changeset/261143> All reviewed patches have been landed. Closing bug and clearing flags on attachment 398461 [details].
<rdar://problem/62873803>