Reification of CSSValues should stop converting string values to CSSKeywordValues. Only know keywords / identifiers should get converted to CSSKeywordValue, other strings should use get converted to the generic CSSStyleValue instead.
Pull request: https://github.com/WebKit/WebKit/pull/7633
Committed 257932@main (4b3c4dd45929): <https://commits.webkit.org/257932@main> Reviewed commits have been landed. Closing PR #7633 and removing active labels.
<rdar://problem/103407101>