Revert of [heap] Remove size specializations in static object visitors. (patchset #4 id:60001 of https://codereview.chromium.org/2763413007/ )

Reason for revert:
Speculative revert due to canary crashes.

BUG=chromium:708339,chromium:707790

Original issue's description:
> [heap] Remove size specializations in static object visitors.
>
> Apart from that this patch adds kVisitJSObjectFast for JSObjects that
> do not have any unboxed double fields and can be visited without
> run-time layout check.
>
> BUG=chromium:694255
>
> Review-Url: https://codereview.chromium.org/2763413007
> Cr-Commit-Position: refs/heads/master@{#44237}
> Committed: https://chromium.googlesource.com/v8/v8/+/dbb1cbe3a85d5c5528ce876d905e78d2ab35f00b

TBR=mlippautz@chromium.org,hpayer@chromium.org
# Not skipping CQ checks because original CL landed more than 1 days ago.
BUG=chromium:694255

Review-Url: https://codereview.chromium.org/2800923004
Cr-Commit-Position: refs/heads/master@{#44459}