[heap] Reland "Add a guard for restarting the memory reducer after mark-compact."

[heap] Reland "Add a guard for restarting the memory reducer after mark-compact."

This reverts commit 3c96c5e2325461c8d77e3843f9a637cf702563c4.

The CL was reverted to see its impact on UMA memory counters.
There was no impact, so we can safely reland the CL.

BUG=

Committed: https://crrev.com/b9f8ad002e06e0211ec02e9a206443bd8fa48896
Cr-Commit-Position: refs/heads/master@{#41109}

[ulan, 2016-11-18 13:20:18]

Description was changed from

==========
[heap] Reland "Add a guard for restarting the memory reducer after
mark-compact."

This reverts commit 3c96c5e2325461c8d77e3843f9a637cf702563c4.

The revert did not impact UMA counters.

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

to

==========
[heap] Reland "Add a guard for restarting the memory reducer after
mark-compact."

This reverts commit 3c96c5e2325461c8d77e3843f9a637cf702563c4.

The CL was reverted to see its impact on UMA memory counters.
There was no impact, so we can safely reland the CL.


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

[ulan, 2016-11-18 13:20:29]

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

[ulan, 2016-11-18 13:20:29]

ptal

[Michael Lippautz, 2016-11-18 13:21:54]

lgtm

[ulan, 2016-11-18 13:22:09]

The CQ bit was checked by ulan@chromium.org

[commit-bot: I haz the power, 2016-11-18 13:22:21]

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, 2016-11-18 13:49:57]

Description was changed from

==========
[heap] Reland "Add a guard for restarting the memory reducer after
mark-compact."

This reverts commit 3c96c5e2325461c8d77e3843f9a637cf702563c4.

The CL was reverted to see its impact on UMA memory counters.
There was no impact, so we can safely reland the CL.


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

to

==========
[heap] Reland "Add a guard for restarting the memory reducer after
mark-compact."

This reverts commit 3c96c5e2325461c8d77e3843f9a637cf702563c4.

The CL was reverted to see its impact on UMA memory counters.
There was no impact, so we can safely reland the CL.


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

[commit-bot: I haz the power, 2016-11-18 13:49:58]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2016-11-18 13:50:30]

Description was changed from

==========
[heap] Reland "Add a guard for restarting the memory reducer after
mark-compact."

This reverts commit 3c96c5e2325461c8d77e3843f9a637cf702563c4.

The CL was reverted to see its impact on UMA memory counters.
There was no impact, so we can safely reland the CL.


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

to

==========
[heap] Reland "Add a guard for restarting the memory reducer after
mark-compact."

This reverts commit 3c96c5e2325461c8d77e3843f9a637cf702563c4.

The CL was reverted to see its impact on UMA memory counters.
There was no impact, so we can safely reland the CL.

BUG=

Committed: https://crrev.com/b9f8ad002e06e0211ec02e9a206443bd8fa48896
Cr-Commit-Position: refs/heads/master@{#41109}
==========

[commit-bot: I haz the power, 2016-11-18 13:50:31]

Patchset 1 (id:??) landed as
https://crrev.com/b9f8ad002e06e0211ec02e9a206443bd8fa48896
Cr-Commit-Position: refs/heads/master@{#41109}