Revert of [heap] Concurrently free empty typed slot set chunks.

Revert of [heap] Concurrently free empty typed slot set chunks. (patchset #3 id:40001 of https://codereview.chromium.org/2352423002/ )

Reason for revert:
TSAN failures on Linux64:

https://build.chromium.org/p/client.v8/builders/V8%20Linux64%20TSAN/builds/11850

Also saw various threading-related flakiness on multiple bots.

Original issue's description:
> [heap] Concurrently free empty typed slot set chunks.
>
> BUG=chromium:648568
>
> Committed: https://crrev.com/ff8101d8e8d5e14dfa89de1252c510e6a0775539
> Cr-Commit-Position: refs/heads/master@{#39605}

TBR=ulan@chromium.org,hpayer@chromium.org
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=chromium:648568
Committed: https://crrev.com/c216b7fa83228387e30efd2ee8f4fed81fa38007
Cr-Commit-Position: refs/heads/master@{#39607}

[adamk, 2016-09-21 23:48:28]

The CQ bit was checked by adamk@chromium.org

[adamk, 2016-09-21 23:48:29]

Created Revert of [heap] Concurrently free empty typed slot set chunks.

[commit-bot: I haz the power, 2016-09-21 23:48:37]

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, 2016-09-21 23:48:49]

Description was changed from

==========
Revert of [heap] Concurrently free empty typed slot set chunks. (patchset #3
id:40001 of https://codereview.chromium.org/2352423002/ )

Reason for revert:
TSAN failures on Linux64:

https://build.chromium.org/p/client.v8/builders/V8%20Linux64%20TSAN/builds/11850

Also saw various threading-related flakiness on multiple bots.

Original issue's description:
> [heap] Concurrently free empty typed slot set chunks.
> 
> BUG=chromium:648568
> 
> Committed: https://crrev.com/ff8101d8e8d5e14dfa89de1252c510e6a0775539
> Cr-Commit-Position: refs/heads/master@{#39605}

TBR=ulan@chromium.org,hpayer@chromium.org
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=chromium:648568
==========

to

==========
Revert of [heap] Concurrently free empty typed slot set chunks. (patchset #3
id:40001 of https://codereview.chromium.org/2352423002/ )

Reason for revert:
TSAN failures on Linux64:

https://build.chromium.org/p/client.v8/builders/V8%20Linux64%20TSAN/builds/11850

Also saw various threading-related flakiness on multiple bots.

Original issue's description:
> [heap] Concurrently free empty typed slot set chunks.
> 
> BUG=chromium:648568
> 
> Committed: https://crrev.com/ff8101d8e8d5e14dfa89de1252c510e6a0775539
> Cr-Commit-Position: refs/heads/master@{#39605}

TBR=ulan@chromium.org,hpayer@chromium.org
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=chromium:648568
==========

[commit-bot: I haz the power, 2016-09-21 23:48:50]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2016-09-21 23:49:51]

Description was changed from

==========
Revert of [heap] Concurrently free empty typed slot set chunks. (patchset #3
id:40001 of https://codereview.chromium.org/2352423002/ )

Reason for revert:
TSAN failures on Linux64:

https://build.chromium.org/p/client.v8/builders/V8%20Linux64%20TSAN/builds/11850

Also saw various threading-related flakiness on multiple bots.

Original issue's description:
> [heap] Concurrently free empty typed slot set chunks.
> 
> BUG=chromium:648568
> 
> Committed: https://crrev.com/ff8101d8e8d5e14dfa89de1252c510e6a0775539
> Cr-Commit-Position: refs/heads/master@{#39605}

TBR=ulan@chromium.org,hpayer@chromium.org
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=chromium:648568
==========

to

==========
Revert of [heap] Concurrently free empty typed slot set chunks. (patchset #3
id:40001 of https://codereview.chromium.org/2352423002/ )

Reason for revert:
TSAN failures on Linux64:

https://build.chromium.org/p/client.v8/builders/V8%20Linux64%20TSAN/builds/11850

Also saw various threading-related flakiness on multiple bots.

Original issue's description:
> [heap] Concurrently free empty typed slot set chunks.
>
> BUG=chromium:648568
>
> Committed: https://crrev.com/ff8101d8e8d5e14dfa89de1252c510e6a0775539
> Cr-Commit-Position: refs/heads/master@{#39605}

TBR=ulan@chromium.org,hpayer@chromium.org
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=chromium:648568

Committed: https://crrev.com/c216b7fa83228387e30efd2ee8f4fed81fa38007
Cr-Commit-Position: refs/heads/master@{#39607}
==========

[commit-bot: I haz the power, 2016-09-21 23:49:52]

Patchset 1 (id:??) landed as
https://crrev.com/c216b7fa83228387e30efd2ee8f4fed81fa38007
Cr-Commit-Position: refs/heads/master@{#39607}