Emilio Cobos Álvarez fae4d1bc87 Bug 1422653: Compute whether XBL is involved in ChildIterator lazily. r=mats ...

The only thing that cares about it is the frame constructor, it's a shame that
everyone else (in particular, the style system) needs to pay this extra walk
over the DOM.

MozReview-Commit-ID: F7S5zx9KMlp

2018-02-28 23:15:33 +01:00

11 KiB

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