style: Add infra to differentiate chrome and UA sheets.
This keeps the behavior of stuff being accessible from chrome stylesheets being
the same of content sheets except on the UA origin. That will be changed in a
followup.
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Initial steps of Mutation testing
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- Added one strategy of mutation which is replacing occurrences && to ||.
- Added test mapping framework for running mutation tests corresponding to a mutant.
- Added one test_mapping.json to map source file in a folder to WPT test.
- Added README mentioning about Mutation testing.
- Added CI script to invoke mutation test.
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- [x] `./mach test-tidy` does not report any errors
- [x] These changes #18529 (github issue number if applicable).
- [x] These changes do not require tests because it is a python script to run mutation test and does not change any behavior.
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fix annotation URL
The annotation URL for `scroll_node` is wrong. (The origin URL is where it is called, not its implement.)
The implement is in https://drafts.csswg.org/cssom-view/#element-scrolling-members
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style: Move font-variant-east-asian outside of mako
This is a sub-PR of #19015
r? emilio
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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#19216
- [x] These changes do not require tests
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style: Sprinkle some inline in trivial methods.
These methods are instantiated by the Gecko library, and used during
querySelector, which means that they end up being super-hot in micro-benchmarks.
MozReview-Commit-ID: K1XJb0QyX5a
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These methods are instantiated by the Gecko library, and used during
querySelector, which means that they end up being super-hot in micro-benchmarks.
MozReview-Commit-ID: K1XJb0QyX5a
added navigation start for interactive metrics
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follow up from #18670, fixing #19099
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style: Move font-variation-settings outside of mako
This is a sub-PR of #19015
r? emilio
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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#19208
- [x] These changes do not require tests
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