Revert of Revert of [es6] Bound function names (patchset #1 id:1 of https://codereview.chromium.org/1225793002/)

Reason for revert:
This will prevent rolls. Fixing the root issue instead.

Original issue's description:
> Revert of [es6] Bound function names (patchset #1 id:1 of https://codereview.chromium.org/1195983002/)
>
> Reason for revert:
> Incorrect behavior
>
> Original issue's description:
> > [es6] Bound function names
> >
> > https://people.mozilla.org/~jorendorff/es6-draft.html#sec-function.prototype.bind
> >
> > Bound functions should have a name based on the function that was
> > bound.
> >
> > This reverts the revert f2747ed9. The original
> > CL was reverted because the Blink layout test broke. I have a CL that disables
> > these tests at: https://codereview.chromium.org/1196753003/
> >
> > BUG=N
> > LOG=N
> > R=adamk
> > CQ_INCLUDE_TRYBOTS=tryserver.chromium.linux:linux_chromium_rel_ng;tryserver.blink:linux_blink_rel
> >
> > Committed: https://crrev.com/b6d950c979f4348138de0ec54e40dcc48d833926
> > Cr-Commit-Position: refs/heads/master@{#29193}
>
> TBR=adamk@chromium.org,verwaest@chromium.org
> NOPRESUBMIT=true
> NOTREECHECKS=true
> NOTRY=true
> BUG=N
>
> Committed: https://crrev.com/744e4d4fd9316674682bc6ca30ded5866494cc1c
> Cr-Commit-Position: refs/heads/master@{#29495}

TBR=adamk@chromium.org,verwaest@chromium.org
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=N

Review URL: https://codereview.chromium.org/1222363002

Cr-Commit-Position: refs/heads/master@{#29497}