[heap] Extract marking deque to separate file.

[heap] Extract marking deque to separate file.

BUG=chromium:694255
Review-Url: https://codereview.chromium.org/2852953004
Cr-Commit-Position: refs/heads/master@{#45030}
Committed: https://chromium.googlesource.com/v8/v8/+/41af9bc51b74847d714bfe2520f1273eb63fbcf8

[ulan, 2017-05-02 11:38:04]

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

[ulan, 2017-05-02 11:38:05]

PTAL.

[Michael Lippautz, 2017-05-02 11:38:44]

lgtm

[ulan, 2017-05-02 11:38:55]

The CQ bit was checked by ulan@chromium.org

[commit-bot: I haz the power, 2017-05-02 11:39:02]

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 12:48:05]

CQ is committing da patch.

Bot data: {"patchset_id": 20001, "attempt_start_ts": 1493725135508670,
"parent_rev": "85f04b0eaf483f799d6c027cbb27828f067b94e9", "commit_rev":
"41af9bc51b74847d714bfe2520f1273eb63fbcf8"}

[commit-bot: I haz the power, 2017-05-02 12:48:13]

Description was changed from

==========
[heap] Extract marking deque to separate file.

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

to

==========
[heap] Extract marking deque to separate file.

BUG=chromium:694255

Review-Url: https://codereview.chromium.org/2852953004
Cr-Commit-Position: refs/heads/master@{#45030}
Committed:
https://chromium.googlesource.com/v8/v8/+/41af9bc51b74847d714bfe2520f1273eb63...
==========

[commit-bot: I haz the power, 2017-05-02 12:48:14]

Committed patchset #2 (id:20001) as
https://chromium.googlesource.com/v8/v8/+/41af9bc51b74847d714bfe2520f1273eb63...