Reland "[heap] Start sweeper tasks after evacuation. (patchset #2 id:20001 of https://chromiumcoder…

Reland "[heap] Start sweeper tasks after evacuation. (patchset #2 id:20001 of https://chromiumcodereview.appspot.com/2428043002/ )"

The performance regression in crbug.com/657776 was not caused by this CL.

This reverts commit 4490a7601c81647a4fb93da94360f271eb172473.

BUG=

Committed: https://crrev.com/189794ddb289029b224be64cd0dddb3487fae371
Cr-Commit-Position: refs/heads/master@{#40478}

[ulan, 2016-10-20 15:33:45]

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

[ulan, 2016-10-20 15:33:45]

ptal

[Michael Lippautz, 2016-10-20 15:48:55]

lgtm

[Michael Lippautz, 2016-10-20 15:48:58]

The CQ bit was checked by mlippautz@chromium.org

[commit-bot: I haz the power, 2016-10-20 15:49:01]

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, 2016-10-20 16:24:51]

Committed patchset #1 (id:1)

[ulan, 2016-10-24 14:30:11]

A revert of this CL (patchset #1 id:1) has been created in
https://chromiumcodereview.appspot.com/2446583003/ by ulan@chromium.org.

The reason for reverting is: Canary crashes crbug.com/658718.

[commit-bot: I haz the power, 2016-11-17 22:08:33]

Description was changed from

==========
Reland "[heap] Start sweeper tasks after evacuation. (patchset #2 id:20001 of
https://chromiumcodereview.appspot.com/2428043002/ )"

The performance regression in crbug.com/657776 was not caused by this CL.

This reverts commit 4490a7601c81647a4fb93da94360f271eb172473.

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

to

==========
Reland "[heap] Start sweeper tasks after evacuation. (patchset #2 id:20001 of
https://chromiumcodereview.appspot.com/2428043002/ )"

The performance regression in crbug.com/657776 was not caused by this CL.

This reverts commit 4490a7601c81647a4fb93da94360f271eb172473.

BUG=

Committed: https://crrev.com/189794ddb289029b224be64cd0dddb3487fae371
Cr-Commit-Position: refs/heads/master@{#40478}
==========

[commit-bot: I haz the power, 2016-11-17 22:08:34]

Patchset 1 (id:??) landed as
https://crrev.com/189794ddb289029b224be64cd0dddb3487fae371
Cr-Commit-Position: refs/heads/master@{#40478}