calc-size + interpolate-size WebDX feature use counters + test mappings
This adds:
- a WebFeature use counter for calc-size()
- a WebDXFeature for both calc-size() and interpolate-size
- WPT test mappings for both WebDX features
The WebDX features are described at:
https://web-platform-dx.github.io/web-features-explorer/features/calc-size/
https://web-platform-dx.github.io/web-features-explorer/features/interpolate-size/
and were added in:
web-platform-dx/web-features#2110
web-platform-dx/web-features#2148
Bug: 313072
Change-Id: Id34d234aab6514b514f012688fafc4d6dec1d991
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/6024690
Commit-Queue: David Baron dbaron@chromium.org
Reviewed-by: Daniil Sakhapov sakhapov@chromium.org
Reviewed-by: Nicolás Peña npm@chromium.org
Cr-Commit-Position: refs/heads/main@{#1383940}