We should not throw exception types that are not dictated by the spec.
This is observable. This was preventing login on strava.com from
working.
Let's mark this feature as experimental as well, since it is just a stub
and was only added for a WPT score increase.
Adds a stub that returns a cached rejected promise with a
not yet implemented error. This converts
battery-status/battery-promise-window.https.html from timeout
to pass. Full implementation still needed.
Global Privacy Control aims to be a replacement for Do Not Track. DNT
ended up not being a great solution, as it wasn't enforced by law. This
actually resulted in the DNT header serving as an extra fingerprinting
data point.
GPC is becoming enforced by law in USA states such as California and
Colorado. CA is further working on a bill which requires that browsers
implement such an opt-out preference signal (OOPS):
https://cppa.ca.gov/announcements/2025/20250911.html
This patch replaces DNT with GPC and hooks up the associated settings.
