Stop using CheckedPtr / CheckedRef with GlyphDisplayListCacheEntry. Use WeakPtr / WeakRef instead to generate more actionable crashes. This tested as performance neutral on Speedometer.
Pull request: https://github.com/WebKit/WebKit/pull/22103
Committed 272357@main (6bf65b8c7675): <https://commits.webkit.org/272357@main> Reviewed commits have been landed. Closing PR #22103 and removing active labels.
<rdar://problem/119943763>