Avoid constructing a DocumentFragment unnecessarily in DOMParser::parseFromString(). Have the HTML fast parser construct the subtree under the <body> element directly instead.
Pull request: https://github.com/WebKit/WebKit/pull/17023
Committed 267242@main (903209cb2740): <https://commits.webkit.org/267242@main> Reviewed commits have been landed. Closing PR #17023 and removing active labels.
<rdar://problem/114396616>