[heap] Reland uncommit unused large object page memory.

[heap] Reland uncommit unused large object page memory.

BUG=

Committed: https://crrev.com/46a365faae01636c48412662a1befe551a71be6e
Cr-Commit-Position: refs/heads/master@{#37376}

[ulan, 2016-06-29 09:00:07]

ulan@chromium.org changed reviewers:
+ ulan@chromium.org

[ulan, 2016-06-29 09:00:08]

lgtm

[Hannes Payer (out of office), 2016-06-29 09:00:52]

The CQ bit was checked by hpayer@chromium.org

[commit-bot: I haz the power, 2016-06-29 09:01:08]

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, 2016-06-29 09:37:04]

Committed patchset #4 (id:60001)

[commit-bot: I haz the power, 2016-06-29 09:38:58]

Description was changed from

==========
[heap] Reland uncommit unused large object page memory.

BUG=
==========

to

==========
[heap] Reland uncommit unused large object page memory.

BUG=

Committed: https://crrev.com/46a365faae01636c48412662a1befe551a71be6e
Cr-Commit-Position: refs/heads/master@{#37376}
==========

[commit-bot: I haz the power, 2016-06-29 09:38:59]

Patchset 4 (id:??) landed as
https://crrev.com/46a365faae01636c48412662a1befe551a71be6e
Cr-Commit-Position: refs/heads/master@{#37376}

[adamk, 2016-07-01 18:17:53]

A revert of this CL (patchset #4 id:60001) has been created in
https://codereview.chromium.org/2117853003/ by adamk@chromium.org.

The reason for reverting is: Caused crashes on Canary.

[adamk, 2016-07-01 18:43:48]

On 2016/07/01 18:17:53, adamk wrote:
> A revert of this CL (patchset #4 id:60001) has been created in
> https://codereview.chromium.org/2117853003/ by mailto:adamk@chromium.org.
> 
> The reason for reverting is: Caused crashes on Canary.

Not reverting, has already been fixed.