-moz-transform property is an alias shorthand property. It has transform as sub-property but their parsing is different in some cases(matrix/matrix3d). -moz-transform also accepts LengthOrPercentage in the nondiagonal homogeneous components of matrix and matrix3d.
It looks like length and percentage values are getting computed to number directly. For example 120px converts into 120 and calc(120px + 20%) converts into 140. So I did like this. But we need to check this behavior again to be sure, I guess.
Also I spent half day investigating why matrices are not serializing after this change and found out their ToCss functions is not completely implemented yet 😄 I was going to implement them but there is an easy issue about it(#15194) so I left it that way. Probably all tests won't pass without it.
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Source-Repo: https://github.com/servo/servo
Source-Revision: b8b4ec92df9729f8d07ff1d2b6e3e3474a978b6c
--HG--
extra : subtree_source : https%3A//hg.mozilla.org/projects/converted-servo-linear
extra : subtree_revision : ce8d1ba04a88444d82420e4740b137388afef3b5
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