chromium/third_party/blink/web_tests/external/wpt/service-workers/service-worker/tentative/static-router/README.md

A test suite for the ServiceWorker Static Routing API Resource Timing.

Explainer: https://github.com/WICG/service-worker-static-routing-api/blob/main/resource-timing-api.md
Resource-Timing Proposal: https://github.com/w3c/resource-timing/issues/389