Make DOM bindings methods not take raw JSContext pointers. Part 2.
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Added gstreamer support to the magicleap port
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With this PR we can watch videos in magicleap servo.
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Update cmake
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Webxr magicleap
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Adds the magicleap back end for webxr.
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Remove most of the things in layout 2020
We keep mostly the query system. There is probably more to delete but
that's a good start I think.
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Do not start up webvr services when running webxr and vice versa
Once we move everything over to the webxr crate we can relax the restriction around running both webxr and webvr
r? @asajeffrey
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