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

Review URL: https://codereview.chromium.org/1225793002

Cr-Commit-Position: refs/heads/master@{#29495}