Revert of Disable MediaStreamAudioTest.CallbackOnTrackInitialization on Mac.

Revert of Disable MediaStreamAudioTest.CallbackOnTrackInitialization on Mac. (patchset #1 id:1 of https://codereview.chromium.org/2799663006/ )

Reason for revert:
Whole test should be reverted:
https://codereview.chromium.org/2803183002/

Original issue's description:
> Disable MediaStreamAudioTest.CallbackOnTrackInitialization on Mac.
> 
> Disabling the test, because it has been consistently failing
> for the last 3 builds on Mac10.9 Tests (dbg).  OTOH, note that
> FindIt says that it cannot find the culprit CL and thinks that
> the test is just flaky.  In either case, disabling the test seems like
> the right thing to do.
> 
> BUG=709231
> TBR=hta@chromium.org
> 
> Review-Url: https://codereview.chromium.org/2799663006
> Cr-Commit-Position: refs/heads/master@{#462701}
> Committed: https://chromium.googlesource.com/chromium/src/+/e0f62aa119e65f04322c7d51b09c7e75dc2adc53

TBR=hta@chromium.org,lukasza@chromium.org
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=709231
Review-Url: https://codereview.chromium.org/2805443004
Cr-Commit-Position: refs/heads/master@{#462793}
Committed: https://chromium.googlesource.com/chromium/src/+/2c6775c0307883f2c1cd1abdc1b9eaa7a2897164

[foolip, 2017-04-07 06:33:56]

The CQ bit was checked by foolip@chromium.org

[foolip, 2017-04-07 06:33:56]

Created Revert of Disable MediaStreamAudioTest.CallbackOnTrackInitialization on
Mac.

[commit-bot: I haz the power, 2017-04-07 06:34:06]

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, 2017-04-07 06:34:46]

CQ is committing da patch.

Bot data: {"patchset_id": 1, "attempt_start_ts": 1491546836399530, "parent_rev":
"38295e6a25c1394264de81fedcde29659d03f632", "commit_rev":
"2c6775c0307883f2c1cd1abdc1b9eaa7a2897164"}

[commit-bot: I haz the power, 2017-04-07 06:36:17]

Description was changed from

==========
Revert of Disable MediaStreamAudioTest.CallbackOnTrackInitialization on Mac.
(patchset #1 id:1 of https://codereview.chromium.org/2799663006/ )

Reason for revert:
Whole test should be reverted:
https://codereview.chromium.org/2803183002/

Original issue's description:
> Disable MediaStreamAudioTest.CallbackOnTrackInitialization on Mac.
> 
> Disabling the test, because it has been consistently failing
> for the last 3 builds on Mac10.9 Tests (dbg).  OTOH, note that
> FindIt says that it cannot find the culprit CL and thinks that
> the test is just flaky.  In either case, disabling the test seems like
> the right thing to do.
> 
> BUG=709231
> TBR=hta@chromium.org
> 
> Review-Url: https://codereview.chromium.org/2799663006
> Cr-Commit-Position: refs/heads/master@{#462701}
> Committed:
https://chromium.googlesource.com/chromium/src/+/e0f62aa119e65f04322c7d51b09c...

TBR=hta@chromium.org,lukasza@chromium.org
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=709231
==========

to

==========
Revert of Disable MediaStreamAudioTest.CallbackOnTrackInitialization on Mac.
(patchset #1 id:1 of https://codereview.chromium.org/2799663006/ )

Reason for revert:
Whole test should be reverted:
https://codereview.chromium.org/2803183002/

Original issue's description:
> Disable MediaStreamAudioTest.CallbackOnTrackInitialization on Mac.
> 
> Disabling the test, because it has been consistently failing
> for the last 3 builds on Mac10.9 Tests (dbg).  OTOH, note that
> FindIt says that it cannot find the culprit CL and thinks that
> the test is just flaky.  In either case, disabling the test seems like
> the right thing to do.
> 
> BUG=709231
> TBR=hta@chromium.org
> 
> Review-Url: https://codereview.chromium.org/2799663006
> Cr-Commit-Position: refs/heads/master@{#462701}
> Committed:
https://chromium.googlesource.com/chromium/src/+/e0f62aa119e65f04322c7d51b09c...

TBR=hta@chromium.org,lukasza@chromium.org
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=709231

Review-Url: https://codereview.chromium.org/2805443004
Cr-Commit-Position: refs/heads/master@{#462793}
Committed:
https://chromium.googlesource.com/chromium/src/+/2c6775c0307883f2c1cd1abdc1b9...
==========

[commit-bot: I haz the power, 2017-04-07 06:36:18]

Committed patchset #1 (id:1) as
https://chromium.googlesource.com/chromium/src/+/2c6775c0307883f2c1cd1abdc1b9...