[whatwg/dom] Limit AbortSignal.timeout to Window and Worker (PR #1055)

Worklets are designed with minimal event loops such that they need only run a single task and corresponding microtasks, making APIs that schedule additional tasks unsuitable for worklets. This restricts the availability of AbortSignal.timeout to Window and Worker since the API schedules a task to implement the timeout.

Closes #1054.

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You can view, comment on, or merge this pull request online at:

  https://github.com/whatwg/dom/pull/1055


-- Commit Summary --

  * Limit AbortSignal.timeout to Window and Worker

-- File Changes --

    M dom.bs (2)

-- Patch Links --

https://github.com/whatwg/dom/pull/1055.patch

https://github.com/whatwg/dom/pull/1055.diff


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