Revert of [api] Don't go to javascript to construct API functions (patchset #3 id:40001 of https://codereview.chromium.org/1756433002/ )

Reason for revert:
[Sheriff] Breaks webkit unittests:
https://build.chromium.org/p/client.v8.fyi/builders/V8-Blink%20Linux%2064/builds/5043

Original issue's description:
> [api] Don't go to javascript to construct API functions
>
> BUG=
> R=bmeurer@chromium.org,verwaest@chromium.org
>
> Committed: https://crrev.com/21a5bfbd2ced6e4a3545bbde712630c0d8734c0b
> Cr-Commit-Position: refs/heads/master@{#34411}

TBR=bmeurer@chromium.org,verwaest@chromium.org,jochen@chromium.org
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=

Review URL: https://codereview.chromium.org/1758623002

Cr-Commit-Position: refs/heads/master@{#34419}