Use TaskType::Timer for timer tasks

Use TaskType::Timer for timer tasks

Timer tasks have already used the timer task runner.
So this CL doesn't change any behavior.

BUG=624696
Committed: https://crrev.com/3562545a8b6b8ae64da21c1b36772898fe1686fa
Cr-Commit-Position: refs/heads/master@{#412459}

[haraken, 2016-08-17 04:40:17]

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

[commit-bot: I haz the power, 2016-08-17 04:40:29]

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

[haraken, 2016-08-17 04:40:38]

haraken@chromium.org changed reviewers:
+ alexclarke@chromium.org, skyostil@chromium.org, tzik@chromium.org

[haraken, 2016-08-17 04:40:39]

PTAL

[commit-bot: I haz the power, 2016-08-17 06:00:13]

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

[commit-bot: I haz the power, 2016-08-17 06:00:14]

Dry run: This issue passed the CQ dry run.

[tzik, 2016-08-17 06:10:19]

lgtm

[haraken, 2016-08-17 06:12:45]

The CQ bit was checked by haraken@chromium.org

[commit-bot: I haz the power, 2016-08-17 06:13:04]

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, 2016-08-17 06:16:47]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2016-08-17 06:19:18]

Description was changed from

==========
Use TaskType::Timer for timer tasks

Timer tasks have already used the timer task runner.
So this CL doesn't change any behavior.

BUG=624696
==========

to

==========
Use TaskType::Timer for timer tasks

Timer tasks have already used the timer task runner.
So this CL doesn't change any behavior.

BUG=624696

Committed: https://crrev.com/3562545a8b6b8ae64da21c1b36772898fe1686fa
Cr-Commit-Position: refs/heads/master@{#412459}
==========

[commit-bot: I haz the power, 2016-08-17 06:19:20]

Patchset 1 (id:??) landed as
https://crrev.com/3562545a8b6b8ae64da21c1b36772898fe1686fa
Cr-Commit-Position: refs/heads/master@{#412459}