We started using the nonVisibleProcessMemoryCleanupTimer to defer clearing data for suspended processes on the mac. This is causing us to hit an assertion when the suspended page is still in a window's view hierarchy.
<rdar://problem/106579817>
Pull request: https://github.com/WebKit/WebKit/pull/11393
Committed 261537@main (ce1e3347d860): <https://commits.webkit.org/261537@main> Reviewed commits have been landed. Closing PR #11393 and removing active labels.