Mac: Remove flag to disable threaded event handling

Mac: Remove flag to disable threaded event handling

BUG=133097
Committed: https://crrev.com/b78992bc14818205f1bdf1a8c740427e8ac2cf0b
Cr-Commit-Position: refs/heads/master@{#319587}

[ccameron, 2015-03-05 01:16:07]

ccameron@chromium.org changed reviewers:
+ avi@chromium.org

[ccameron, 2015-03-05 01:16:08]

Cleaning up post-branch (already removed the Blink side, modulo interface
parts).

[Avi (use Gerrit), 2015-03-05 04:20:54]

lgtm

woot!

[ccameron, 2015-03-05 07:47:55]

The CQ bit was checked by ccameron@chromium.org

[commit-bot: I haz the power, 2015-03-05 07:48:53]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/982643003/1

[commit-bot: I haz the power, 2015-03-05 08:09:22]

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

[commit-bot: I haz the power, 2015-03-05 08:09:24]

Try jobs failed on following builders:
  chromium_presubmit on tryserver.chromium.linux (JOB_FAILED,
http://build.chromium.org/p/tryserver.chromium.linux/builders/chromium_presub...)

[ccameron, 2015-03-05 16:28:54]

ccameron@chromium.org changed reviewers:
+ jschuh@chromium.org

[ccameron, 2015-03-05 16:28:54]

Adding jschuh for *param_traits*.h OWNER review.

[ccameron, 2015-03-06 18:00:32]

Ping jschuh for security review.

[ccameron, 2015-03-06 20:16:29]

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

[ccameron, 2015-03-06 20:16:30]

jschuh OOO -> dcheng, can you do a security review?

[dcheng, 2015-03-06 23:23:57]

RS LGTM for deletion changes in *param_traits*

[ccameron, 2015-03-06 23:26:14]

The CQ bit was checked by ccameron@chromium.org

[commit-bot: I haz the power, 2015-03-06 23:26:43]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/982643003/1

[commit-bot: I haz the power, 2015-03-07 01:30:32]

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

[commit-bot: I haz the power, 2015-03-07 01:30:34]

Try jobs failed on following builders:
  mac_chromium_compile_dbg_ng on tryserver.chromium.mac (JOB_TIMED_OUT, no build
URL)
  mac_chromium_rel_ng on tryserver.chromium.mac (JOB_TIMED_OUT, no build URL)
Timed out jobs are not retried to avoid causing additional load on the builders
with large pending queues.

[ccameron, 2015-03-08 07:20:21]

The CQ bit was checked by ccameron@chromium.org

[commit-bot: I haz the power, 2015-03-08 07:20:48]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/982643003/1

[commit-bot: I haz the power, 2015-03-08 08:55:05]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2015-03-08 08:55:38]

Patchset 1 (id:??) landed as
https://crrev.com/b78992bc14818205f1bdf1a8c740427e8ac2cf0b
Cr-Commit-Position: refs/heads/master@{#319587}