GraphicsLayerWC: iframe site isolation support I have to implement GraphicsLayerWC::setContentsToPlatformLayerHost. See also: Bug 250120 – Begin using DrawingAreaProxy for multiple web processes with site isolation Bug 251245 – Begin drawing pixels to the screen from site isolated iframes https://lists.webkit.org/pipermail/webkit-dev/2023-March/032523.html
Created attachment 465806 [details] WIP patch
<rdar://problem/107821918>
Created attachment 465863 [details] WIP patch
Pull request: https://github.com/WebKit/WebKit/pull/12723
Committed 265099@main (dc5a423def84): <https://commits.webkit.org/265099@main> Reviewed commits have been landed. Closing PR #12723 and removing active labels.