Fix broken variations fetching on Android due to ToS pref.

Fix broken variations fetching on Android due to ToS pref.

In some cases, we've observed the ToS prefs to not be set at all
after a backup and restore scenario, yet with the FRE not being
shown. This CL attempts to fix those by ensure ToS prefs are set
if FRE is marked as completed.

BUG=708302
Review-Url: https://codereview.chromium.org/2803473002
Cr-Commit-Position: refs/heads/master@{#461880}
Committed: https://chromium.googlesource.com/chromium/src/+/2b81404991f0e44b9e87da014094819ca6dc1d08

[Alexei Svitkine (slow), 2017-04-04 21:27:22]

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

[commit-bot: I haz the power, 2017-04-04 21:28:27]

Dry run: CQ is trying da patch. Follow status at
 
https://chromium-cq-status.appspot.com/v2/patch-status/codereview.chromium.or...

[Alexei Svitkine (slow), 2017-04-04 22:23:01]

asvitkine@chromium.org changed reviewers:
+ tedchoc@chromium.org

[Ted C, 2017-04-04 22:29:56]

lgtm

[Alexei Svitkine (slow), 2017-04-04 22:34:41]

The CQ bit was unchecked by asvitkine@chromium.org

[Alexei Svitkine (slow), 2017-04-04 22:34:46]

The CQ bit was checked by asvitkine@chromium.org

[commit-bot: I haz the power, 2017-04-04 22:34:53]

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, 2017-04-04 22:59:33]

CQ is committing da patch.

Bot data: {"patchset_id": 1, "attempt_start_ts": 1491345286520390, "parent_rev":
"1ac847a325cef63ef0b281b005c4eaf88a913207", "commit_rev":
"2b81404991f0e44b9e87da014094819ca6dc1d08"}

[commit-bot: I haz the power, 2017-04-04 23:00:18]

Description was changed from

==========
Fix broken variations fetching on Android due to ToS pref.

In some cases, we've observed the ToS prefs to not be set at all
after a backup and restore scenario, yet with the FRE not being
shown. This CL attempts to fix those by ensure ToS prefs are set
if FRE is marked as completed.

BUG=708302
==========

to

==========
Fix broken variations fetching on Android due to ToS pref.

In some cases, we've observed the ToS prefs to not be set at all
after a backup and restore scenario, yet with the FRE not being
shown. This CL attempts to fix those by ensure ToS prefs are set
if FRE is marked as completed.

BUG=708302

Review-Url: https://codereview.chromium.org/2803473002
Cr-Commit-Position: refs/heads/master@{#461880}
Committed:
https://chromium.googlesource.com/chromium/src/+/2b81404991f0e44b9e87da014094...
==========

[commit-bot: I haz the power, 2017-04-04 23:00:19]

Committed patchset #1 (id:1) as
https://chromium.googlesource.com/chromium/src/+/2b81404991f0e44b9e87da014094...