The FragmentedSharedBuffer argument isn't used and should be removed. https://searchfox.org/wubkat/rev/581e116dc6ce254811dbe2da9d1c1168762fc30c/Source/WebCore/platform/graphics/WebMResourceClient.h#41
rdar://121158587
Pull request: https://github.com/WebKit/WebKit/pull/22890
Committed 273164@main (3ed8adb00eb7): <https://commits.webkit.org/273164@main> Reviewed commits have been landed. Closing PR #22890 and removing active labels.