[heap] Refactor marking deque.

[heap] Refactor marking deque.

This patch moves management of marking deque backing store into the
MarkingDeque class, which will simplify unmapping of backing store in
concurrent task.

BUG=

Committed: https://crrev.com/ad815a7b9a2c56ff10e1ffbbe780d74992459da1
Cr-Commit-Position: refs/heads/master@{#40523}

[ulan, 2016-10-21 12:49:09]

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

[ulan, 2016-10-21 12:49:09]

ptal

[ulan, 2016-10-21 12:52:49]

https://codereview.chromium.org/2439063002/diff/20001/src/heap/mark-compact.h
File src/heap/mark-compact.h (right):

https://codereview.chromium.org/2439063002/diff/20001/src/heap/mark-compact.h...
src/heap/mark-compact.h:137: int top_;
I will change int -> size_t in a separate CL.

[ulan, 2016-10-21 13:02:59]

The CQ bit was checked by ulan@chromium.org to run a CQ dry run

[commit-bot: I haz the power, 2016-10-21 13:03:04]

Dry run: CQ is trying da patch. Follow status at
 
https://chromium-cq-status.appspot.com/v2/patch-status/codereview.chromium.or...

[ulan, 2016-10-21 13:22:24]

The CQ bit was checked by ulan@chromium.org to run a CQ dry run

[commit-bot: I haz the power, 2016-10-21 13:22:35]

Dry run: CQ is trying da patch. Follow status at
 
https://chromium-cq-status.appspot.com/v2/patch-status/codereview.chromium.or...

[Michael Lippautz, 2016-10-21 13:38:31]

lgtm

[commit-bot: I haz the power, 2016-10-21 14:05:52]

The CQ bit was unchecked by commit-bot@chromium.org

[commit-bot: I haz the power, 2016-10-21 14:05:53]

Dry run: This issue passed the CQ dry run.

[ulan, 2016-10-24 08:25:55]

The CQ bit was checked by ulan@chromium.org

[commit-bot: I haz the power, 2016-10-24 08:25:58]

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, 2016-10-24 09:07:02]

Committed patchset #3 (id:40001)

[commit-bot: I haz the power, 2016-11-17 22:10:39]

Description was changed from

==========
[heap] Refactor marking deque.

This patch moves management of marking deque backing store into the
MarkingDeque class, which will simplify unmapping of backing store in
concurrent task.

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

to

==========
[heap] Refactor marking deque.

This patch moves management of marking deque backing store into the
MarkingDeque class, which will simplify unmapping of backing store in
concurrent task.

BUG=

Committed: https://crrev.com/ad815a7b9a2c56ff10e1ffbbe780d74992459da1
Cr-Commit-Position: refs/heads/master@{#40523}
==========

[commit-bot: I haz the power, 2016-11-17 22:10:40]

Patchset 3 (id:??) landed as
https://crrev.com/ad815a7b9a2c56ff10e1ffbbe780d74992459da1
Cr-Commit-Position: refs/heads/master@{#40523}