Fix MetricsServiceClients to use SyncDisableObservers state.

Fix MetricsServiceClients to use SyncDisableObservers state.

Currently, the clients are using the default client implementation instead of using the actual observed value, so UKM is always disabled.

BUG=678682
Review-Url: https://codereview.chromium.org/2700443002
Cr-Commit-Position: refs/heads/master@{#450813}
Committed: https://chromium.googlesource.com/chromium/src/+/08137d79be70c84d73209e278c7e3f0a67f4442e

[Steven Holte, 2017-02-15 00:45:08]

Description was changed from

==========
Fix MetricsServiceClients to use SyncDisableObservers state.

Currently, the clients are using the default client implementation instead
of the server one, so UKM is always disabled.

BUG=678682
==========

to

==========
Fix MetricsServiceClients to use SyncDisableObservers state.

Currently, the clients are using the default client implementation instead of
using the actual observed value, so UKM is always disabled.

BUG=678682
==========

[Steven Holte, 2017-02-15 00:45:08]

holte@chromium.org changed reviewers:
+ olivierrobin@chromium.org, rkaplow@chromium.org

[rkaplow, 2017-02-15 01:57:25]

lgtm

[Olivier, 2017-02-15 10:23:55]

ios LGTM

[Steven Holte, 2017-02-15 19:48:22]

The CQ bit was checked by holte@chromium.org

[commit-bot: I haz the power, 2017-02-15 19:49:27]

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, 2017-02-15 21:44:00]

CQ is committing da patch.

Bot data: {"patchset_id": 1, "attempt_start_ts": 1487188102193220, "parent_rev":
"4617c896b2b96fbbb22f14c0f6626bbf4cb0aff6", "commit_rev":
"08137d79be70c84d73209e278c7e3f0a67f4442e"}

[commit-bot: I haz the power, 2017-02-15 21:44:34]

Description was changed from

==========
Fix MetricsServiceClients to use SyncDisableObservers state.

Currently, the clients are using the default client implementation instead of
using the actual observed value, so UKM is always disabled.

BUG=678682
==========

to

==========
Fix MetricsServiceClients to use SyncDisableObservers state.

Currently, the clients are using the default client implementation instead of
using the actual observed value, so UKM is always disabled.

BUG=678682

Review-Url: https://codereview.chromium.org/2700443002
Cr-Commit-Position: refs/heads/master@{#450813}
Committed:
https://chromium.googlesource.com/chromium/src/+/08137d79be70c84d73209e278c7e...
==========

[commit-bot: I haz the power, 2017-02-15 21:44:36]

Committed patchset #1 (id:1) as
https://chromium.googlesource.com/chromium/src/+/08137d79be70c84d73209e278c7e...