Auto merge of #19491 - BorisChiou:stylo/fontface/parser, r=heycam

stylo: Implement FontFaceSet and Font Descriptors parsers

This is the inter-dependent patches for Bug 1408303. We implement the FFI for the
parsers of font descriptors and FontFaceSet APIs.

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- [X] `./mach build -d` does not report any errors
- [X] `./mach test-tidy` does not report any errors
- [X] These changes fix [Bug 1408303](https://bugzilla.mozilla.org/show_bug.cgi?id=1408303).
- [X] These changes do not require tests because this is for Gecko and we have tests there.

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bors-servo 2017-12-05 08:09:35 -06:00 committed by GitHub
commit 3029f83b0d
3 changed files with 1053 additions and 326 deletions

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