On 9/12/17 5:04 PM, Emilio Cobos Álvarez wrote:
I've noticed that this may be used pretty easily for UA detection.
Right, that and use in Gecko-only codepaths are the main concerns....
I considered adding a usecounter, but as you noted it would be affected
by window enumeration.
We could make the property non-enumerable and _then_ add a usecounter.
It would take a bit of machinery (e.g. support for non-enumerable webidl
attributes), but not that hard.
We could also delay the removal to after 57 to mitigate 57 risk....
-Boris
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