Stop checking that FilePathWatcher is used from a MessageLoopForIO.

Stop checking that FilePathWatcher is used from a MessageLoopForIO.

No FilePathWatcher implementation requires to be used from a
MessageLoopForIO.

BUG=650723
Committed: https://crrev.com/9ee0332133b606f70eadecdbf420e3afe9778055
Cr-Commit-Position: refs/heads/master@{#434205}

[fdoray, 2016-11-21 22:10:40]

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

[commit-bot: I haz the power, 2016-11-21 22:11:30]

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, 2016-11-22 00:05:11]

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

[commit-bot: I haz the power, 2016-11-22 00:05:12]

Dry run: This issue passed the CQ dry run.

[fdoray, 2016-11-22 13:18:40]

fdoray@chromium.org changed reviewers:
+ dcheng@chromium.org

[fdoray, 2016-11-22 13:18:40]

PTAL

[dcheng, 2016-11-22 18:32:39]

lgtm

[fdoray, 2016-11-23 16:33:58]

The CQ bit was checked by fdoray@chromium.org

[fdoray, 2016-11-23 16:33:58]

The patchset sent to the CQ was uploaded after l-g-t-m from dcheng@chromium.org
Link to the patchset: https://codereview.chromium.org/2516353003/#ps20001
(title: "remove patch dependency")

[commit-bot: I haz the power, 2016-11-23 16:34:16]

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, 2016-11-23 18:29:33]

CQ is committing da patch.

Bot data: {"patchset_id": 20001, "attempt_start_ts": 1479918838296150,
"parent_rev": "f3aaaf587d9ebcd3c2dbcedd51afbc47d221b982", "commit_rev":
"4c23835c5071c71fad428b4950299f5819e121ef"}

[commit-bot: I haz the power, 2016-11-23 18:30:05]

Committed patchset #2 (id:20001)

[commit-bot: I haz the power, 2016-11-23 18:34:13]

Description was changed from

==========
Stop checking that FilePathWatcher is used from a MessageLoopForIO.

No FilePathWatcher implementation requires to be used from a
MessageLoopForIO.

BUG=650723
==========

to

==========
Stop checking that FilePathWatcher is used from a MessageLoopForIO.

No FilePathWatcher implementation requires to be used from a
MessageLoopForIO.

BUG=650723

Committed: https://crrev.com/9ee0332133b606f70eadecdbf420e3afe9778055
Cr-Commit-Position: refs/heads/master@{#434205}
==========

[commit-bot: I haz the power, 2016-11-23 18:34:15]

Patchset 2 (id:??) landed as
https://crrev.com/9ee0332133b606f70eadecdbf420e3afe9778055
Cr-Commit-Position: refs/heads/master@{#434205}