Julian Descottes 30433020fe Bug 1541970 - Support incontentshell attribute for XUL panel;r=NeilDeakin
(more a feedback request than review request at this stage)

Adding a new attribute to the panel was the easiest way I could find to make this work without too much plumbing
However I don't know how to check that the attribute comes from a chrome privileged script. I tried using PresContext()->IsChrome() but this is also false in our situation.

Would you prefer another approach? Otherwise what kind of test would you write for this kind of feature?

Differential Revision: https://phabricator.services.mozilla.com/D26211

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extra : moz-landing-system : lando
2019-04-09 09:41:56 +00:00
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