WebGLRenderingContextBase::markContextChanged() is a redundant function Only called once in almost trivial function with a similar name
<rdar://problem/117569900>
Pull request: https://github.com/WebKit/WebKit/pull/19623
Committed 269999@main (f19506c5ff62): <https://commits.webkit.org/269999@main> Reviewed commits have been landed. Closing PR #19623 and removing active labels.