Create Workers from `data:` URLs

Category: Miscellaneous
Type: New or changed feature
Status: Enabled by default (Chrome 58)
Intent stage: None

Summary

HTML specifies that `data:` URLs can be used to create workers with opaque origins. We should support this as a first step towards defining a sandboxing mechanism for Workers (and parity with other browsers).

Standards & signals

Specification: https://html.spec.whatwg.org/multipage/workers.html#dom-worker
Firefox: Shipped/Shipping
Safari: No signal
Web developers: No signals
Tracking bug: https://crbug.com/270979

View on chromestatus.com