Inline addWebCoreOpaqueRoot() / containsWebCoreOpaqueRoot() functions since I noticed looking at profiles that they weren't getting inlined. This is a ~0.35% progression on Intel (neutral on Apple Silicon).
Pull request: https://github.com/WebKit/WebKit/pull/1246
Committed r295138 (251229@main): <https://commits.webkit.org/251229@main> Reviewed commits have been landed. Closing PR #1246 and removing active labels.
<rdar://problem/94302497>