Change SVGRenderingContext::renderSubtreeToImageBuffer() to SVGRenderingContext::renderSubtreeToContext()
Created attachment 394753 [details] Patch
Patch goes on top of patch from bug 209635.
Committed r259147: <https://trac.webkit.org/changeset/259147> All reviewed patches have been landed. Closing bug and clearing flags on attachment 394753 [details].
<rdar://problem/60990820>