Allow ASCWebKitSPISupport to be used on macOS.
rdar://76028645
Created attachment 424868 [details] Patch
The test failures (crashes in GPU process) seem unrelated to this change.
Comment on attachment 424868 [details] Patch r=me
Comment on attachment 424868 [details] Patch Thanks Brent for r+ this patch.
Committed r275370 (236039@main): <https://commits.webkit.org/236039@main>