Mark CSSParserContext constructors as explicit. We have some code incorrectly comparing Document objects by value and the code builds because it is implicitly converting the Documents to CSSParserContexts and calling CSSParserContext's operator==().
Pull request: https://github.com/WebKit/WebKit/pull/17356
Committed 267577@main (1dc257f3194c): <https://commits.webkit.org/267577@main> Reviewed commits have been landed. Closing PR #17356 and removing active labels.
<rdar://problem/114857465>