Speed up JSNodeList indexing by generating more efficient JS bindings code.
Pull request: https://github.com/WebKit/WebKit/pull/11740
Pull request: https://github.com/WebKit/WebKit/pull/11809
Committed 261988@main (4cf7b61be1fa): <https://commits.webkit.org/261988@main> Reviewed commits have been landed. Closing PR #11809 and removing active labels.
<rdar://problem/107074035>