Revert of [heap] Remove size specializations in static object visitors.

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}
Committed: https://chromium.googlesource.com/v8/v8/+/61df2d90a952066cec6eb20fc0602b5fae749874

[ulan, 2017-04-06 18:55:06]

The CQ bit was checked by ulan@chromium.org

[ulan, 2017-04-06 18:55:06]

Created Revert of [heap] Remove size specializations in static object visitors.

[commit-bot: I haz the power, 2017-04-06 18:55:14]

CQ is trying da patch. Follow status at
 
https://chromium-cq-status.appspot.com/v2/patch-status/codereview.chromium.or...

[commit-bot: I haz the power, 2017-04-06 19:22:35]

CQ is committing da patch.

Bot data: {"patchset_id": 1, "attempt_start_ts": 1491504906092950, "parent_rev":
"ed5496f3cd1b410e1632531799edddfad8afe4f6", "commit_rev":
"61df2d90a952066cec6eb20fc0602b5fae749874"}

[commit-bot: I haz the power, 2017-04-06 19:22:40]

Description was changed from

==========
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/+/dbb1cbe3a85d5c5528ce876d905e78d2ab3...

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

to

==========
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/+/dbb1cbe3a85d5c5528ce876d905e78d2ab3...

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}
Committed:
https://chromium.googlesource.com/v8/v8/+/61df2d90a952066cec6eb20fc0602b5fae7...
==========

[commit-bot: I haz the power, 2017-04-06 19:22:41]

Committed patchset #1 (id:1) as
https://chromium.googlesource.com/v8/v8/+/61df2d90a952066cec6eb20fc0602b5fae7...