[heycam/webidl] The GetIterator operation in ECMA262 now takes three arguments (#731)

The signature changed from (obj, method) to (obj, hint, method) when @@asyncIterator was introduced. Because the method is already known to be defined at this point, I don’t believe the hint argument will actually be used, but the argument still seems to be needed to put the method arg in the right position.

I was unsure what formatting "sync" should get here. It’s a constant symbolic value rather than a variable or a string. I didn’t see any pre-existing examples in the IDL spec, so it may need additional markup.
You can view, comment on, or merge this pull request online at:

  https://github.com/heycam/webidl/pull/731


-- Commit Summary --

  * the GetIterator operation in ECMA262 now takes three arguments

-- File Changes --

    M index.bs (2)

-- Patch Links --

https://github.com/heycam/webidl/pull/731.patch

https://github.com/heycam/webidl/pull/731.diff


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