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25c94b46d8
Right now, a lot of test code relies on side-effects of SpecialPowers being loaded into frame script globals. In particular: - It forces permissive COWs from those scopes, which allows frame scripts to pass objects from those scopes to unprivileged content that they otherwise wouldn't. - It imports a bunch of helper modules and WebIDL globals which would otherwise not be available. Fortunately, this seems to only impact test code at this point. But there's a real down-the-road risk of it impacting shipping code, which ends up working in automation due to the side-effects of SpecialPowers, but failing in real world use. MozReview-Commit-ID: G27eSSOHymX --HG-- extra : rebase_source : 1702e63fed719fc92def2bdbbb8a7c53572432db extra : source : 41bedc526dd6ec6b7e8c7be1c832ac60c81d6263 |
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