Remove deprecated methods TaskTraits::WithFileIO()/WithWait().

Remove deprecated methods TaskTraits::WithFileIO()/WithWait().

BUG=675660
Committed: https://crrev.com/bf2fc574b83fb54787bd10c36da0dcee77284994
Cr-Commit-Position: refs/heads/master@{#440640}

[fdoray, 2016-12-23 14:25:40]

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

[commit-bot: I haz the power, 2016-12-23 14:25:54]

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

[fdoray, 2016-12-23 14:26:18]

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

[fdoray, 2016-12-23 14:26:18]

PTAL

[gab, 2016-12-23 15:36:26]

lgtm

[commit-bot: I haz the power, 2016-12-23 16:22:00]

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

[commit-bot: I haz the power, 2016-12-23 16:22:01]

Dry run: This issue passed the CQ dry run.

[fdoray, 2016-12-23 16:58:12]

The CQ bit was checked by fdoray@chromium.org

[commit-bot: I haz the power, 2016-12-23 16:58:26]

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, 2016-12-23 17:01:31]

CQ is committing da patch.

Bot data: {"patchset_id": 1, "attempt_start_ts": 1482512292558890, "parent_rev":
"549d84609ff93fbdbd5ab89399c0a2734fe943bd", "commit_rev":
"0881291d3e28465fd2a88c865835e5a8f3b085e9"}

[commit-bot: I haz the power, 2016-12-23 17:02:20]

Description was changed from

==========
Remove deprecated methods TaskTraits::WithFileIO()/WithWait().

BUG=675660
==========

to

==========
Remove deprecated methods TaskTraits::WithFileIO()/WithWait().

BUG=675660

Review-Url: https://codereview.chromium.org/2603603002
Committed:
https://chromium.googlesource.com/chromium/src/+/0881291d3e28465fd2a88c865835...
==========

[commit-bot: I haz the power, 2016-12-23 17:02:21]

Committed patchset #1 (id:1) as
https://chromium.googlesource.com/chromium/src/+/0881291d3e28465fd2a88c865835...

[commit-bot: I haz the power, 2016-12-23 17:03:42]

Description was changed from

==========
Remove deprecated methods TaskTraits::WithFileIO()/WithWait().

BUG=675660

Review-Url: https://codereview.chromium.org/2603603002
Committed:
https://chromium.googlesource.com/chromium/src/+/0881291d3e28465fd2a88c865835...
==========

to

==========
Remove deprecated methods TaskTraits::WithFileIO()/WithWait().

BUG=675660

Committed: https://crrev.com/bf2fc574b83fb54787bd10c36da0dcee77284994
Cr-Commit-Position: refs/heads/master@{#440640}
==========

[commit-bot: I haz the power, 2016-12-23 17:03:43]

Patchset 1 (id:??) landed as
https://crrev.com/bf2fc574b83fb54787bd10c36da0dcee77284994
Cr-Commit-Position: refs/heads/master@{#440640}