[heap] Unregister shrinked large object memory from chunk map.

[heap] Unregister shrinked large object memory from chunk map.

BUG=chromium:617883
LOG=n

Committed: https://crrev.com/2b38d3121b5fd0e409cdda0071fa2e0ec2846ab2
Cr-Commit-Position: refs/heads/master@{#36793}

[ulan, 2016-06-07 14:27:55]

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

[ulan, 2016-06-07 14:27:56]

lgtm

[Hannes Payer (out of office), 2016-06-07 14:29:09]

The CQ bit was checked by hpayer@chromium.org

[commit-bot: I haz the power, 2016-06-07 14:29:18]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/2046953002/100001

[commit-bot: I haz the power, 2016-06-07 15:03:15]

Committed patchset #6 (id:100001)

[commit-bot: I haz the power, 2016-06-07 15:04:56]

Description was changed from

==========
[heap] Unregister shrinked large object memory from chunk map.

BUG=chromium:617883
LOG=n
==========

to

==========
[heap] Unregister shrinked large object memory from chunk map.

BUG=chromium:617883
LOG=n

Committed: https://crrev.com/2b38d3121b5fd0e409cdda0071fa2e0ec2846ab2
Cr-Commit-Position: refs/heads/master@{#36793}
==========

[commit-bot: I haz the power, 2016-06-07 15:04:56]

Patchset 6 (id:??) landed as
https://crrev.com/2b38d3121b5fd0e409cdda0071fa2e0ec2846ab2
Cr-Commit-Position: refs/heads/master@{#36793}

[Hannes Payer (out of office), 2016-06-08 06:11:28]

A revert of this CL (patchset #6 id:100001) has been created in
https://codereview.chromium.org/2046563008/ by hpayer@chromium.org.

The reason for reverting is: Revert because uncommit of lo is broken..