chromeshell.Ensure downloads the pinned browser with http.Get, which has no timeout, while holding a package-level sync.Mutex. If the Chrome for Testing CDN stalls mid-transfer the download never returns, and every other Ensure caller blocks behind the mutex for the life of the process. Callers need a way to bound the wait and cancel the transfer.
chromeshell.Ensure downloads the pinned browser with http.Get, which has no timeout, while holding a package-level sync.Mutex. If the Chrome for Testing CDN stalls mid-transfer the download never returns, and every other Ensure caller blocks behind the mutex for the life of the process. Callers need a way to bound the wait and cancel the transfer.