This way we can create a BitmapTexture without having to call reset right after the creation to set the size and flags (that are passed but ignored in the constructor).
Pull request: https://github.com/WebKit/WebKit/pull/19949
Committed 270227@main (0cf3ba971a89): <https://commits.webkit.org/270227@main> Reviewed commits have been landed. Closing PR #19949 and removing active labels.
<rdar://problem/117941729>