HTMLCanvasElement accesses ImageBufferBackend The backend is implementation detail of ImageBuffer. The ImageBuffer should keep the image correct at all times, without modifications behind the scenes.
<rdar://problem/108555582>
Pull request: https://github.com/WebKit/WebKit/pull/13269
Committed 263798@main (e4e4f40e8fbd): <https://commits.webkit.org/263798@main> Reviewed commits have been landed. Closing PR #13269 and removing active labels.