[heap] Refactor updating of marking deque after scavenge.

[heap] Refactor updating of marking deque after scavenge.

This introduces MarkingDeque::Update function that accepts a callback
and updates marking deque elements using the callback.

BUG=chromium:694255
Review-Url: https://codereview.chromium.org/2854063002
Cr-Commit-Position: refs/heads/master@{#45032}
Committed: https://chromium.googlesource.com/v8/v8/+/fc6e0678d8c84ad1bf276f5424034fb9ce74f79f

[ulan, 2017-05-02 11:55:54]

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

[ulan, 2017-05-02 11:55:55]

ptal

[Michael Lippautz, 2017-05-02 12:04:00]

lgtm

[ulan, 2017-05-02 12:05:12]

Description was changed from

==========
[heap] Refector updating of marking deque after scavenge.

This introduces MarkingDeque::Update function that accepts a callback
and updates marking deque elements using the callback.

BUG=chromium:694255
==========

to

==========
[heap] Refactor updating of marking deque after scavenge.

This introduces MarkingDeque::Update function that accepts a callback
and updates marking deque elements using the callback.

BUG=chromium:694255
==========

[ulan, 2017-05-02 13:07:30]

The CQ bit was checked by ulan@chromium.org

[commit-bot: I haz the power, 2017-05-02 13:07:38]

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, 2017-05-02 13:40:17]

CQ is committing da patch.

Bot data: {"patchset_id": 1, "attempt_start_ts": 1493730450418390, "parent_rev":
"259f061fe7882d983f359ea4865ca2f4abf97fc9", "commit_rev":
"fc6e0678d8c84ad1bf276f5424034fb9ce74f79f"}

[commit-bot: I haz the power, 2017-05-02 13:40:22]

Description was changed from

==========
[heap] Refactor updating of marking deque after scavenge.

This introduces MarkingDeque::Update function that accepts a callback
and updates marking deque elements using the callback.

BUG=chromium:694255
==========

to

==========
[heap] Refactor updating of marking deque after scavenge.

This introduces MarkingDeque::Update function that accepts a callback
and updates marking deque elements using the callback.

BUG=chromium:694255

Review-Url: https://codereview.chromium.org/2854063002
Cr-Commit-Position: refs/heads/master@{#45032}
Committed:
https://chromium.googlesource.com/v8/v8/+/fc6e0678d8c84ad1bf276f5424034fb9ce7...
==========

[commit-bot: I haz the power, 2017-05-02 13:40:23]

Committed patchset #1 (id:1) as
https://chromium.googlesource.com/v8/v8/+/fc6e0678d8c84ad1bf276f5424034fb9ce7...