Now that computedStyleDependencies collects viewport units dependencies, we can clean up convertingToLengthHasRequiredConversionData and stop traversing recursively in the calc() case (since computedStyleDependencies already does so).
<rdar://problem/114906119>
Pull request: https://github.com/WebKit/WebKit/pull/17387
Committed 267601@main (6044332a1ccc): <https://commits.webkit.org/267601@main> Reviewed commits have been landed. Closing PR #17387 and removing active labels.