Ngo Iok Ui (Wu Yu Wei)

Bump version of core-foundation-sys to 0.8.7

3

I opened a [topic](https://servo.zulipchat.com/#narrow/stream/263398-general/topic/Crate.20maintenance.3A.20core-foundation-rs/near/441237419) in Zulip regarding some crate maintenance under Servo org. @jdm gave some advice on how to update crate version. I guess I can start with sys...

We needs webgl becasue webxr. This PR tried to add a dummy implementation and disable webgl

bug(macos): close window will cause segmant fault

1

There's a fix in surfman on the way: https://github.com/servo/surfman/pull/304 But it can't be merged, we could write some workaround in `Window::new`

This is probably due to Webrender using the same document to render. We need to find a way to update the [render](https://github.com/servo/webrender/blob/main/webrender/src/renderer/mod.rs#L1237) method to use a different document.

TODO: write down the error message.