Sync deprecation flag from MDN, phase 2#7311

Merged

ddbeck merged 4 commits intomdn:masterfrom saschanaz:deprecated-result2

Mar 18, 2021

+42-42

Commits on Nov 7, 2020

Sync deprecation flag from MDN, phase 2
saschanaz
committed

Commits on Nov 12, 2020

add deprecated flags for the children of addHitRegion()
saschanaz
committed

Commits on Dec 29, 2020

Merge branch 'master' into deprecated-result2
saschanaz
authored

Commits on Feb 21, 2021

Merge remote-tracking branch 'upstream/master' into deprecated-result2
saschanaz
committed