Add acquire/release to global variable.

Add acquire/release to global variable.

Acquire/Release is needed to ensure that other threads cannot access
member variables without them being committed to memory.

BUG=620813
Review-Url: https://codereview.chromium.org/2688753002
Cr-Commit-Position: refs/heads/master@{#449630}
Committed: https://chromium.googlesource.com/chromium/src/+/d3bbe536eab7b3fd2f22568dfb1650bf78732ba3

[bcwhite, 2017-02-09 20:12:15]

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

[bcwhite, 2017-02-09 20:12:34]

bcwhite@chromium.org changed reviewers:
+ manzagop@chromium.org

[commit-bot: I haz the power, 2017-02-09 20:13:07]

Dry run: 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, 2017-02-09 21:36:42]

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

[commit-bot: I haz the power, 2017-02-09 21:36:43]

Dry run: Try jobs failed on following builders:
  android_n5x_swarming_rel on master.tryserver.chromium.android (JOB_FAILED,
https://build.chromium.org/p/tryserver.chromium.android/builders/android_n5x_...)

[bcwhite, 2017-02-09 22:00:13]

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

[commit-bot: I haz the power, 2017-02-09 22:01:00]

Dry run: 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, 2017-02-09 23:41:21]

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

[commit-bot: I haz the power, 2017-02-09 23:41:22]

Dry run: This issue passed the CQ dry run.

[manzagop (departed), 2017-02-10 16:13:47]

lgtm

[bcwhite, 2017-02-10 16:23:50]

The CQ bit was checked by bcwhite@chromium.org

[commit-bot: I haz the power, 2017-02-10 16:24:21]

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, 2017-02-10 16:29:04]

CQ is committing da patch.

Bot data: {"patchset_id": 20001, "attempt_start_ts": 1486743830675920,
"parent_rev": "aca741f22f99dda5bd86b06df27314389280fe81", "commit_rev":
"d3bbe536eab7b3fd2f22568dfb1650bf78732ba3"}

[commit-bot: I haz the power, 2017-02-10 16:29:46]

Description was changed from

==========
Add acquire/release to global variable.

Acquire/Release is needed to ensure that other threads cannot access
member variables without them being committed to memory.

BUG=620813
==========

to

==========
Add acquire/release to global variable.

Acquire/Release is needed to ensure that other threads cannot access
member variables without them being committed to memory.

BUG=620813

Review-Url: https://codereview.chromium.org/2688753002
Cr-Commit-Position: refs/heads/master@{#449630}
Committed:
https://chromium.googlesource.com/chromium/src/+/d3bbe536eab7b3fd2f22568dfb16...
==========

[commit-bot: I haz the power, 2017-02-10 16:29:48]

Committed patchset #2 (id:20001) as
https://chromium.googlesource.com/chromium/src/+/d3bbe536eab7b3fd2f22568dfb16...