http://hg.mozilla.org/mozilla-central/annotate/f66d956d188e/dom/tests/mochitest/general/test_interfaces.html tests that various interface objects are exposed to the Web even though some of those interfaces are Gecko-specific—some even XUL-specific. We should avoid exposing such interface objects, because Web authors may use them for inferring the engine supposedly more reliably than by sniffing the UA string, but if they do so, we may accidentally break sites when we change the set of interfaces that's supposed to be “private” to some degree.
Assignee: hsivonen → nobody
Status: ASSIGNED → NEW
Priority: -- → P3
Component: DOM → DOM: Core & HTML
Product: Core → Core
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