Add MacOS to SettingsEnforcement's enabled fieldtrial testing platforms

Add MacOS to SettingsEnforcement's enabled fieldtrial testing platforms

BUG=500085
Review-Url: https://codereview.chromium.org/2824033003
Cr-Commit-Position: refs/heads/master@{#465724}
Committed: https://chromium.googlesource.com/chromium/src/+/469d00d60d18601622c8202af224d25b922ebf48

[proberge, 2017-04-18 15:03:18]

Description was changed from

==========
Add MacOS to SettingsEnforcement's enabled fieldtrial testing platforms

BUG=500085
==========

to

==========
Add MacOS to SettingsEnforcement's enabled fieldtrial testing platforms

BUG=500085
==========

[proberge, 2017-04-18 15:03:18]

proberge@chromium.org changed reviewers:
+ jwd@chromium.org

[jwd, 2017-04-19 18:40:11]

lgtm

[proberge, 2017-04-19 19:15:30]

The CQ bit was checked by proberge@chromium.org

[commit-bot: I haz the power, 2017-04-19 19:15:58]

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, 2017-04-19 20:10:20]

CQ is committing da patch.

Bot data: {"patchset_id": 1, "attempt_start_ts": 1492629330832060, "parent_rev":
"e672411293885c984f074000d465b789c2cefb7d", "commit_rev":
"469d00d60d18601622c8202af224d25b922ebf48"}

[commit-bot: I haz the power, 2017-04-19 20:10:31]

Description was changed from

==========
Add MacOS to SettingsEnforcement's enabled fieldtrial testing platforms

BUG=500085
==========

to

==========
Add MacOS to SettingsEnforcement's enabled fieldtrial testing platforms

BUG=500085

Review-Url: https://codereview.chromium.org/2824033003
Cr-Commit-Position: refs/heads/master@{#465724}
Committed:
https://chromium.googlesource.com/chromium/src/+/469d00d60d18601622c8202af224...
==========

[commit-bot: I haz the power, 2017-04-19 20:10:32]

Committed patchset #1 (id:1) as
https://chromium.googlesource.com/chromium/src/+/469d00d60d18601622c8202af224...