The WebContent process needs proper entitlement to do secure drawing on iOS.
<rdar://problem/50671257>
Created attachment 370871 [details] Patch
Comment on attachment 370871 [details] Patch View in context: https://bugs.webkit.org/attachment.cgi?id=370871&action=review > Source/WebKit/Configurations/WebContent-iOS.entitlements:36 > + <key>com.apple.QuartzCore.secure-mode</key> Something has gone wrong with the indentation
Committed r245860: <https://trac.webkit.org/changeset/245860>