Move Context2D testing properties from HTMLCanvasElement to context options Allows for more extensive testing of various combinations.
<rdar://problem/115282259>
Pull request: https://github.com/WebKit/WebKit/pull/17647
Committed 267934@main (5f5c97abe109): <https://commits.webkit.org/267934@main> Reviewed commits have been landed. Closing PR #17647 and removing active labels.