09ffab7233
Commit efc3afd428bd85fd3d12e0dc941b5eb7248ca30b broke it because we'd computed an empty foreground layer. Now that background painting is part of the foreground phase, we need to use the background rect for clipping. As best I can tell, the background rect is always >= the size of the foreground rect, so it should be safe to use. R=abarth@chromium.org Review URL: https://codereview.chromium.org/876243002
Some of these examples are examples of what sky supports now. Others are examples of what sky hopes to one day support. Therefore not all these examples actually work today.