1457047 - [wpt-sync] Sync PR 10645 - Update webidl2.js to v10.2.1

Status: RESOLVED FIXED

(Testing :: web-platform-tests, enhancement, P4)

Description

[Web Platform Test Sync Bot [:wpt-sync] (Matrix: #interop:mozilla.org)]

Sync web-platform-tests PR 10645 into mozilla-central (this bug is closed when the sync is complete).

PR: https://github.com/w3c/web-platform-tests/pull/10645
Details from upstream follow.

Chris Nardi <[e-mail]> wrote:
>   Update webidl2.js to v10.2.1
>  
>  This was created by:
>  
>  ```
>  git revert 280005efe04503f14891d73c6ceab1077a59a735
>  git subtree pull --prefix=resources/webidl2 https://github.com/w3c/webidl2.js.git v10.2.1 --squash
>  ```
>  
>  and then making the merge commit have a reasonable commit message. @gsnedders does this look right?
>  
>  Main motivation for this update is pulling in https://github.com/w3c/webidl2.js/pull/139, which has the potential to result in performance improvements for IDL tests.
>  
>  Note that 280005efe04503f14891d73c6ceab1077a59a735 was reverted as upstream changes in https://github.com/w3c/webidl2.js/pull/139 should have made effectively the same change (and created a merge conflict); the fix was reported to work in Servo.
>  
>  This **should not be merged** as of yet -- I think I did this right per https://github.com/w3c/web-platform-tests/pull/8063#issuecomment-341887244, but I need someone to sanity check me first so it doesn't mess anything up. This also cannot be squashed & rebased, it needs a pure merge.

Comment 1

[Web Platform Test Sync Bot [:wpt-sync] (Matrix: #interop:mozilla.org)]

Pushed to try https://treeherder.mozilla.org/#/jobs?repo=try&revision=42c047a5dd8910df931b697c7822028dc6f2c560

Comment 2

[Pulsebot]

Pushed by [e-mail]:
https://hg.mozilla.org/integration/mozilla-inbound/rev/21a5a8d11df3
[wpt PR 10645] -  Update webidl2.js to v10.2.1, a=testonly

Comment 3

[Cosmin Sabou [:CosminS]]

https://hg.mozilla.org/mozilla-central/rev/21a5a8d11df3