Move more printing code off of the FILE thread.

Move more printing code off of the FILE thread.

Do some trivial cleanups while we are here.

BUG=689520
Review-Url: https://codereview.chromium.org/2965803002
Cr-Commit-Position: refs/heads/master@{#483845}
Committed: https://chromium.googlesource.com/chromium/src/+/c0d6f887d2fef1a66b612b3dbf4869f26b571695

[Lei Zhang, 2017-06-30 20:44:05]

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

[commit-bot: I haz the power, 2017-06-30 20:44:35]

Dry run: CQ is trying da patch.

Follow status at:
https://chromium-cq-status.appspot.com/v2/patch-status/codereview.chromium.or...

[Lei Zhang, 2017-06-30 20:50:31]

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

[commit-bot: I haz the power, 2017-06-30 20:50:36]

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, 2017-06-30 22:05:26]

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

[commit-bot: I haz the power, 2017-06-30 22:05:27]

Dry run: This issue passed the CQ dry run.

[Lei Zhang, 2017-06-30 22:08:27]

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

[fdoray, 2017-06-30 22:13:29]

lgtm

[Lei Zhang, 2017-06-30 22:26:28]

The CQ bit was checked by thestig@chromium.org

[commit-bot: I haz the power, 2017-06-30 22:26:43]

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, 2017-06-30 22:29:43]

CQ is committing da patch.

Bot data: {"patchset_id": 20001, "attempt_start_ts": 1498861588766130,
"parent_rev": "511bb6d554e1c2d04d2387dc700dd09300e4f318", "commit_rev":
"c0d6f887d2fef1a66b612b3dbf4869f26b571695"}

[commit-bot: I haz the power, 2017-06-30 22:29:59]

Description was changed from

==========
Move more printing code off of the FILE thread.

Do some trivial cleanups while we are here.

BUG=689520
==========

to

==========
Move more printing code off of the FILE thread.

Do some trivial cleanups while we are here.

BUG=689520

Review-Url: https://codereview.chromium.org/2965803002
Cr-Commit-Position: refs/heads/master@{#483845}
Committed:
https://chromium.googlesource.com/chromium/src/+/c0d6f887d2fef1a66b612b3dbf48...
==========

[commit-bot: I haz the power, 2017-06-30 22:30:01]

Committed patchset #2 (id:20001) as
https://chromium.googlesource.com/chromium/src/+/c0d6f887d2fef1a66b612b3dbf48...