Revert of Remove SequencedWorkerPool::PostWorkerTask().

Revert of Remove SequencedWorkerPool::PostWorkerTask(). (patchset #4 id:60001 of https://codereview.chromium.org/2904253002/ )

Reason for revert:
Reverting as this prevent reverting a change breaking iOS bots, see http://crbug.com/727611.

Original issue's description:
> Remove SequencedWorkerPool::PostWorkerTask().
> 
> BUG=667892
> 
> Review-Url: https://codereview.chromium.org/2904253002
> Cr-Commit-Position: refs/heads/master@{#475166}
> Committed: https://chromium.googlesource.com/chromium/src/+/03aa6d03b458938440a5910baae25da66718c5c2

TBR=gab@chromium.org,fdoray@chromium.org
# Not skipping CQ checks because original CL landed more than 1 days ago.
BUG=667892
Review-Url: https://codereview.chromium.org/2912073002
Cr-Commit-Position: refs/heads/master@{#475504}
Committed: https://chromium.googlesource.com/chromium/src/+/3f731c7c47954c7c824f0d157af020f5ee5b57ce

[sdefresne, 2017-05-30 11:17:20]

The CQ bit was checked by sdefresne@chromium.org

[sdefresne, 2017-05-30 11:17:20]

Created Revert of Remove SequencedWorkerPool::PostWorkerTask().

[commit-bot: I haz the power, 2017-05-30 11:17:37]

CQ is trying da patch.

Follow status at:
https://chromium-cq-status.appspot.com/v2/patch-status/codereview.chromium.or...

[sdefresne, 2017-05-30 11:32:53]

Description was changed from

==========
Revert of Remove SequencedWorkerPool::PostWorkerTask(). (patchset #4 id:60001 of
https://codereview.chromium.org/2904253002/ )

Reason for revert:
Reverting as this prevent reverting a change breaking iOS bots, see
org/p/chromium/issues/detail?id=727611.

Original issue's description:
> Remove SequencedWorkerPool::PostWorkerTask().
> 
> BUG=667892
> 
> Review-Url: https://codereview.chromium.org/2904253002
> Cr-Commit-Position: refs/heads/master@{#475166}
> Committed:
https://chromium.googlesource.com/chromium/src/+/03aa6d03b458938440a5910baae2...

TBR=gab@chromium.org,fdoray@chromium.org
# Not skipping CQ checks because original CL landed more than 1 days ago.
BUG=667892
==========

to

==========
Revert of Remove SequencedWorkerPool::PostWorkerTask(). (patchset #4 id:60001 of
https://codereview.chromium.org/2904253002/ )

Reason for revert:
Reverting as this prevent reverting a change breaking iOS bots, see
http://crbug.com727611.

Original issue's description:
> Remove SequencedWorkerPool::PostWorkerTask().
> 
> BUG=667892
> 
> Review-Url: https://codereview.chromium.org/2904253002
> Cr-Commit-Position: refs/heads/master@{#475166}
> Committed:
https://chromium.googlesource.com/chromium/src/+/03aa6d03b458938440a5910baae2...

TBR=gab@chromium.org,fdoray@chromium.org
# Not skipping CQ checks because original CL landed more than 1 days ago.
BUG=667892
==========

[sdefresne, 2017-05-30 11:33:08]

Description was changed from

==========
Revert of Remove SequencedWorkerPool::PostWorkerTask(). (patchset #4 id:60001 of
https://codereview.chromium.org/2904253002/ )

Reason for revert:
Reverting as this prevent reverting a change breaking iOS bots, see
http://crbug.com727611.

Original issue's description:
> Remove SequencedWorkerPool::PostWorkerTask().
> 
> BUG=667892
> 
> Review-Url: https://codereview.chromium.org/2904253002
> Cr-Commit-Position: refs/heads/master@{#475166}
> Committed:
https://chromium.googlesource.com/chromium/src/+/03aa6d03b458938440a5910baae2...

TBR=gab@chromium.org,fdoray@chromium.org
# Not skipping CQ checks because original CL landed more than 1 days ago.
BUG=667892
==========

to

==========
Revert of Remove SequencedWorkerPool::PostWorkerTask(). (patchset #4 id:60001 of
https://codereview.chromium.org/2904253002/ )

Reason for revert:
Reverting as this prevent reverting a change breaking iOS bots, see
http://crbug.com/727611.

Original issue's description:
> Remove SequencedWorkerPool::PostWorkerTask().
> 
> BUG=667892
> 
> Review-Url: https://codereview.chromium.org/2904253002
> Cr-Commit-Position: refs/heads/master@{#475166}
> Committed:
https://chromium.googlesource.com/chromium/src/+/03aa6d03b458938440a5910baae2...

TBR=gab@chromium.org,fdoray@chromium.org
# Not skipping CQ checks because original CL landed more than 1 days ago.
BUG=667892
==========

[commit-bot: I haz the power, 2017-05-30 12:52:54]

CQ is committing da patch.

Bot data: {"patchset_id": 1, "attempt_start_ts": 1496143040383110, "parent_rev":
"5f19ec17aa243eabd70ee11a6b08d90913bcb778", "commit_rev":
"3f731c7c47954c7c824f0d157af020f5ee5b57ce"}

[commit-bot: I haz the power, 2017-05-30 12:53:04]

Description was changed from

==========
Revert of Remove SequencedWorkerPool::PostWorkerTask(). (patchset #4 id:60001 of
https://codereview.chromium.org/2904253002/ )

Reason for revert:
Reverting as this prevent reverting a change breaking iOS bots, see
http://crbug.com/727611.

Original issue's description:
> Remove SequencedWorkerPool::PostWorkerTask().
> 
> BUG=667892
> 
> Review-Url: https://codereview.chromium.org/2904253002
> Cr-Commit-Position: refs/heads/master@{#475166}
> Committed:
https://chromium.googlesource.com/chromium/src/+/03aa6d03b458938440a5910baae2...

TBR=gab@chromium.org,fdoray@chromium.org
# Not skipping CQ checks because original CL landed more than 1 days ago.
BUG=667892
==========

to

==========
Revert of Remove SequencedWorkerPool::PostWorkerTask(). (patchset #4 id:60001 of
https://codereview.chromium.org/2904253002/ )

Reason for revert:
Reverting as this prevent reverting a change breaking iOS bots, see
http://crbug.com/727611.

Original issue's description:
> Remove SequencedWorkerPool::PostWorkerTask().
> 
> BUG=667892
> 
> Review-Url: https://codereview.chromium.org/2904253002
> Cr-Commit-Position: refs/heads/master@{#475166}
> Committed:
https://chromium.googlesource.com/chromium/src/+/03aa6d03b458938440a5910baae2...

TBR=gab@chromium.org,fdoray@chromium.org
# Not skipping CQ checks because original CL landed more than 1 days ago.
BUG=667892

Review-Url: https://codereview.chromium.org/2912073002
Cr-Commit-Position: refs/heads/master@{#475504}
Committed:
https://chromium.googlesource.com/chromium/src/+/3f731c7c47954c7c824f0d157af0...
==========

[commit-bot: I haz the power, 2017-05-30 12:53:05]

Committed patchset #1 (id:1) as
https://chromium.googlesource.com/chromium/src/+/3f731c7c47954c7c824f0d157af0...