This patch also removes the duplication of style contexts during the
restyle, because otherwise pointer equality of ServoComputedValues stops
holding (and we assert on that in a few places)
Make Servo's rounding of image-orientation values agree with Gecko's,
and pass orientations directly as an enum instead of as angles.
Depends on a Gecko change to be subsequently landed in m-c.
Make Servo's rounding of image-orientation values agree with Gecko's, and pass orientations directly as an enum instead of as angles.
Has been reviewed: https://reviewboard.mozilla.org/r/155336/
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Bugzilla issue: https://bugzilla.mozilla.org/show_bug.cgi?id=1355380
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stylo: Fix font-variant-alternates property
`font-variant-alternates` was just parsing values as keywords. But many of the alternates are actually functions instead of keywords. This fixes that.
r=emilio on bugzilla side.
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Add an update_stylesheet method to StylesheetSet.
MozReview-Commit-ID: KlRkApYL8wk
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Provides a method for just-cloned sheets to be swapped in to stylesheet_sets without changing the order or triggering restyle.
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