Remove the enable_task_manager build flag and define.

Remove the enable_task_manager build flag and define.

These have been replaced by !android checks. The task manager is enabled on all
platforms except Android and iOS, and code in chrome isn't compiled on iOS.

BUG=671706
Committed: https://crrev.com/ee486bb1c7a7351039d88ba233ad9eabc94887df
Cr-Commit-Position: refs/heads/master@{#437281}

[brettw, 2016-12-07 18:02:10]

Patchset #2 (id:20001) has been deleted

[brettw, 2016-12-07 18:02:58]

Includes

[brettw, 2016-12-07 18:02:59]

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

[commit-bot: I haz the power, 2016-12-07 18:03:17]

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

[brettw, 2016-12-07 18:03:27]

brettw@chromium.org changed reviewers:
+ estade@chromium.org

[commit-bot: I haz the power, 2016-12-07 22:06:24]

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

[commit-bot: I haz the power, 2016-12-07 22:06:25]

Dry run: This issue passed the CQ dry run.

[Evan Stade, 2016-12-08 15:37:23]

lgtm

[brettw, 2016-12-08 17:50:53]

The CQ bit was checked by brettw@chromium.org

[commit-bot: I haz the power, 2016-12-08 17:51:18]

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, 2016-12-08 17:56:38]

CQ is committing da patch.

Bot data: {"patchset_id": 40001, "attempt_start_ts": 1481219453430420,
"parent_rev": "3ac1877158dd091fcf62eb6c63b5a34092683724", "commit_rev":
"fc6ba320990c82fe6c3350c742dd049d83a46cb2"}

[commit-bot: I haz the power, 2016-12-08 17:57:01]

Committed patchset #2 (id:40001)

[commit-bot: I haz the power, 2016-12-08 18:00:41]

Description was changed from

==========
Remove the enable_task_manager build flag and define.

These have been replaced by !android checks. The task manager is enabled on all
platforms except Android and iOS, and code in chrome isn't compiled on iOS.

BUG=671706
==========

to

==========
Remove the enable_task_manager build flag and define.

These have been replaced by !android checks. The task manager is enabled on all
platforms except Android and iOS, and code in chrome isn't compiled on iOS.

BUG=671706

Committed: https://crrev.com/ee486bb1c7a7351039d88ba233ad9eabc94887df
Cr-Commit-Position: refs/heads/master@{#437281}
==========

[commit-bot: I haz the power, 2016-12-08 18:00:41]

Patchset 2 (id:??) landed as
https://crrev.com/ee486bb1c7a7351039d88ba233ad9eabc94887df
Cr-Commit-Position: refs/heads/master@{#437281}