[whatwg/fetch] Body sizes should be CORS rather than TAO protected (PR #1556)

encoded/decoded body size relate to the resource, not to the timing. Body size of cors-same-origin resources is anyway observable in service workers.

This is part of
https://github.com/w3c/resource-timing/issues/220#issuecomment-1177615190


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

  https://github.com/whatwg/fetch/pull/1556


-- Commit Summary --

  * Body sizes should be CORS rather than TAO protected

-- File Changes --

    M fetch.bs (6)

-- Patch Links --

https://github.com/whatwg/fetch/pull/1556.patch

https://github.com/whatwg/fetch/pull/1556.diff


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