The UnifiedPDFPlugin currently does not have the right bits in place to return the correct PDFDocumentRef (or document size) when a print is initiated. Let's fix that.
rdar://119632457
Pull request: https://github.com/WebKit/WebKit/pull/23088
Committed 273357@main (83e647adbd36): <https://commits.webkit.org/273357@main> Reviewed commits have been landed. Closing PR #23088 and removing active labels.