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---
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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#17479 (github issue number if applicable).
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Source-Repo: https://github.com/servo/servo
Source-Revision: 51dd0c65cd6799f0dc61eb380fdbd08db60c10bd
--HG--
extra : subtree_source : https%3A//hg.mozilla.org/projects/converted-servo-linear
extra : subtree_revision : 1f6d5c096156fb14e9049c4dceeb544089763e2a
5c26a03283