Boris, I'd expect this bug to add a couple of print reftests. What I have in my mind so far is; 1) a scroll linked animation linked to the root scroller 2) a scroll linked animation linked to an element 3) a scroll linked animation linked to the root scroller of an iframe I presume only 3) works find as of now though.
Bug 1741255 Comment 4 Edit History
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Boris, I'd expect this bug to add a couple of print reftests. What I have in my mind so far is; 1) a scroll linked animation linked to the root scroller 2) a scroll linked animation linked to an element 3) a scroll linked animation linked to the root scroller of an iframe I presume only 3) works fine as of now though.