Revert of Prevent redundant DoWorks due to canceled delayed tasks

Revert of Prevent redundant DoWorks due to canceled delayed tasks  (patchset #6 id:100001 of https://codereview.chromium.org/2320403003/ )

Reason for revert:
Suspect that this CL caused breakage in Gmail and Hangouts per http://crbug.com/647484 .

Original issue's description:
> Prevent redundant DoWorks due to canceled delayed tasks
>
> To achieve this we make a few changes:
>
> 1. We only register the next wakeup with the TimeDomain, rather than all
> of them.
> 2. MoveReadyDelayedTasksToDelayedWorkQueue now registers the next
> wakeup (if any).  Since it removes all canceled delayed tasks from the
> front of the priority queue this has the effect of not scheduling
> wakeups for cancelled tasks.
> 3. Tweaking the TaskQueueManager level delayed DoWork de-duplication
> logic to only post a delayed DoWork if the task is meant to run before
> any previously registered delayed DoWorks.
>
> BUG=638542, 605718
>
> Committed: https://crrev.com/929cbb9f92b5570867c3842c80778243db81a013
> Cr-Commit-Position: refs/heads/master@{#418556}

TBR=skyostil@chromium.org,alexclarke@chromium.org
# Not skipping CQ checks because original CL landed more than 1 days ago.
BUG=638542, 605718
Committed: https://crrev.com/04e1e5cab53931ea11d58a578a237d6a5762a054
Cr-Commit-Position: refs/heads/master@{#419542}

[Ken Russell (switch to Gerrit), 2016-09-19 18:20:11]

The CQ bit was checked by kbr@chromium.org

[Ken Russell (switch to Gerrit), 2016-09-19 18:20:12]

Created Revert of Prevent redundant DoWorks due to canceled delayed tasks

[commit-bot: I haz the power, 2016-09-19 18:20:40]

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, 2016-09-19 20:08:07]

Description was changed from

==========
Revert of Prevent redundant DoWorks due to canceled delayed tasks  (patchset #6
id:100001 of https://codereview.chromium.org/2320403003/ )

Reason for revert:
Suspect that this CL caused breakage in Gmail and Hangouts per
http://crbug.com/647484 .


Original issue's description:
> Prevent redundant DoWorks due to canceled delayed tasks
> 
> To achieve this we make a few changes:
> 
> 1. We only register the next wakeup with the TimeDomain, rather than all
> of them.
> 2. MoveReadyDelayedTasksToDelayedWorkQueue now registers the next
> wakeup (if any).  Since it removes all canceled delayed tasks from the
> front of the priority queue this has the effect of not scheduling
> wakeups for cancelled tasks.
> 3. Tweaking the TaskQueueManager level delayed DoWork de-duplication
> logic to only post a delayed DoWork if the task is meant to run before
> any previously registered delayed DoWorks.
> 
> BUG=638542, 605718
> 
> Committed: https://crrev.com/929cbb9f92b5570867c3842c80778243db81a013
> Cr-Commit-Position: refs/heads/master@{#418556}

TBR=skyostil@chromium.org,alexclarke@chromium.org
# Not skipping CQ checks because original CL landed more than 1 days ago.
BUG=638542, 605718
==========

to

==========
Revert of Prevent redundant DoWorks due to canceled delayed tasks  (patchset #6
id:100001 of https://codereview.chromium.org/2320403003/ )

Reason for revert:
Suspect that this CL caused breakage in Gmail and Hangouts per
http://crbug.com/647484 .


Original issue's description:
> Prevent redundant DoWorks due to canceled delayed tasks
> 
> To achieve this we make a few changes:
> 
> 1. We only register the next wakeup with the TimeDomain, rather than all
> of them.
> 2. MoveReadyDelayedTasksToDelayedWorkQueue now registers the next
> wakeup (if any).  Since it removes all canceled delayed tasks from the
> front of the priority queue this has the effect of not scheduling
> wakeups for cancelled tasks.
> 3. Tweaking the TaskQueueManager level delayed DoWork de-duplication
> logic to only post a delayed DoWork if the task is meant to run before
> any previously registered delayed DoWorks.
> 
> BUG=638542, 605718
> 
> Committed: https://crrev.com/929cbb9f92b5570867c3842c80778243db81a013
> Cr-Commit-Position: refs/heads/master@{#418556}

TBR=skyostil@chromium.org,alexclarke@chromium.org
# Not skipping CQ checks because original CL landed more than 1 days ago.
BUG=638542, 605718
==========

[commit-bot: I haz the power, 2016-09-19 20:08:08]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2016-09-19 21:03:25]

Description was changed from

==========
Revert of Prevent redundant DoWorks due to canceled delayed tasks  (patchset #6
id:100001 of https://codereview.chromium.org/2320403003/ )

Reason for revert:
Suspect that this CL caused breakage in Gmail and Hangouts per
http://crbug.com/647484 .


Original issue's description:
> Prevent redundant DoWorks due to canceled delayed tasks
> 
> To achieve this we make a few changes:
> 
> 1. We only register the next wakeup with the TimeDomain, rather than all
> of them.
> 2. MoveReadyDelayedTasksToDelayedWorkQueue now registers the next
> wakeup (if any).  Since it removes all canceled delayed tasks from the
> front of the priority queue this has the effect of not scheduling
> wakeups for cancelled tasks.
> 3. Tweaking the TaskQueueManager level delayed DoWork de-duplication
> logic to only post a delayed DoWork if the task is meant to run before
> any previously registered delayed DoWorks.
> 
> BUG=638542, 605718
> 
> Committed: https://crrev.com/929cbb9f92b5570867c3842c80778243db81a013
> Cr-Commit-Position: refs/heads/master@{#418556}

TBR=skyostil@chromium.org,alexclarke@chromium.org
# Not skipping CQ checks because original CL landed more than 1 days ago.
BUG=638542, 605718
==========

to

==========
Revert of Prevent redundant DoWorks due to canceled delayed tasks  (patchset #6
id:100001 of https://codereview.chromium.org/2320403003/ )

Reason for revert:
Suspect that this CL caused breakage in Gmail and Hangouts per
http://crbug.com/647484 .

Original issue's description:
> Prevent redundant DoWorks due to canceled delayed tasks
>
> To achieve this we make a few changes:
>
> 1. We only register the next wakeup with the TimeDomain, rather than all
> of them.
> 2. MoveReadyDelayedTasksToDelayedWorkQueue now registers the next
> wakeup (if any).  Since it removes all canceled delayed tasks from the
> front of the priority queue this has the effect of not scheduling
> wakeups for cancelled tasks.
> 3. Tweaking the TaskQueueManager level delayed DoWork de-duplication
> logic to only post a delayed DoWork if the task is meant to run before
> any previously registered delayed DoWorks.
>
> BUG=638542, 605718
>
> Committed: https://crrev.com/929cbb9f92b5570867c3842c80778243db81a013
> Cr-Commit-Position: refs/heads/master@{#418556}

TBR=skyostil@chromium.org,alexclarke@chromium.org
# Not skipping CQ checks because original CL landed more than 1 days ago.
BUG=638542, 605718

Committed: https://crrev.com/04e1e5cab53931ea11d58a578a237d6a5762a054
Cr-Commit-Position: refs/heads/master@{#419542}
==========

[commit-bot: I haz the power, 2016-09-19 21:03:26]

Patchset 1 (id:??) landed as
https://crrev.com/04e1e5cab53931ea11d58a578a237d6a5762a054
Cr-Commit-Position: refs/heads/master@{#419542}