FilterTargetImageSwitcher will be used to apply the SVGFilter. A std::unique_ptr<FilterTargetSwitcher> will replace the RefPtr<ImageBuffer> in FilterData.
<rdar://problem/102674910>
Pull request: https://github.com/WebKit/WebKit/pull/6821
*** Bug 248180 has been marked as a duplicate of this bug. ***
Committed 257151@main (dae05ac9cd87): <https://commits.webkit.org/257151@main> Reviewed commits have been landed. Closing PR #6821 and removing active labels.