Revert of Pass SequencedTaskRunner to PowerSaveBlocker for ui/file operations

Revert of Pass SequencedTaskRunner to PowerSaveBlocker for ui/file operations (patchset #13 id:240001 of https://codereview.chromium.org/1991593002/ )

Reason for revert:
This causes flaky test failures (e.g. https://build.chromium.org/p/chromium.gpu/builders/Linux%20Release%20%28NVIDIA%29/builds/78794)

Original issue's description:
> Pass SequencedTaskRunner to PowerSaveBlocker for ui/file operations
>
> Beginning of moving PowerSaveBlocker to //device/power_save_blocker.
>
> power_save_blocker_factory is a wrapper to pass down the required
> SequencedTaskRunners. It will stay in content when the rest of the
> power_save_blocker files move to //device.
>
> BUG=612337, 257943, 612563
>
> Committed: https://crrev.com/11c0c210570c67f7b32ebc706102c9e8833cc9a1
> Cr-Commit-Position: refs/heads/master@{#395727}

TBR=hashimoto@chromium.org,nick@chromium.org,asargent@chromium.org,tommi@chromium.org,scottmg@chromium.org
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=612337, 257943, 612563
Committed: https://crrev.com/da0a45ca416398c5942e135a00bed17a78297adf
Cr-Commit-Position: refs/heads/master@{#395840}

[hajimehoshi, 2016-05-25 09:34:29]

Created Revert of Pass SequencedTaskRunner to PowerSaveBlocker for ui/file
operations

[commit-bot: I haz the power, 2016-05-25 09:34:53]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/2006143006/1
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/2006143006/1

[commit-bot: I haz the power, 2016-05-25 09:35:55]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2016-05-25 09:37:35]

Description was changed from

==========
Revert of Pass SequencedTaskRunner to PowerSaveBlocker for ui/file operations
(patchset #13 id:240001 of https://codereview.chromium.org/1991593002/ )

Reason for revert:
This causes flaky test failures (e.g.
https://build.chromium.org/p/chromium.gpu/builders/Linux%20Release%20%28NVIDI...)

Original issue's description:
> Pass SequencedTaskRunner to PowerSaveBlocker for ui/file operations
> 
> Beginning of moving PowerSaveBlocker to //device/power_save_blocker.
> 
> power_save_blocker_factory is a wrapper to pass down the required
> SequencedTaskRunners. It will stay in content when the rest of the
> power_save_blocker files move to //device.
> 
> BUG=612337,257943,612563
> 
> Committed: https://crrev.com/11c0c210570c67f7b32ebc706102c9e8833cc9a1
> Cr-Commit-Position: refs/heads/master@{#395727}

TBR=hashimoto@chromium.org,nick@chromium.org,asargent@chromium.org,tommi@chro...
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=612337,257943,612563
==========

to

==========
Revert of Pass SequencedTaskRunner to PowerSaveBlocker for ui/file operations
(patchset #13 id:240001 of https://codereview.chromium.org/1991593002/ )

Reason for revert:
This causes flaky test failures (e.g.
https://build.chromium.org/p/chromium.gpu/builders/Linux%20Release%20%28NVIDI...)

Original issue's description:
> Pass SequencedTaskRunner to PowerSaveBlocker for ui/file operations
>
> Beginning of moving PowerSaveBlocker to //device/power_save_blocker.
>
> power_save_blocker_factory is a wrapper to pass down the required
> SequencedTaskRunners. It will stay in content when the rest of the
> power_save_blocker files move to //device.
>
> BUG=612337,257943,612563
>
> Committed: https://crrev.com/11c0c210570c67f7b32ebc706102c9e8833cc9a1
> Cr-Commit-Position: refs/heads/master@{#395727}

TBR=hashimoto@chromium.org,nick@chromium.org,asargent@chromium.org,tommi@chro...
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=612337,257943,612563

Committed: https://crrev.com/da0a45ca416398c5942e135a00bed17a78297adf
Cr-Commit-Position: refs/heads/master@{#395840}
==========

[commit-bot: I haz the power, 2016-05-25 09:37:36]

Patchset 1 (id:??) landed as
https://crrev.com/da0a45ca416398c5942e135a00bed17a78297adf
Cr-Commit-Position: refs/heads/master@{#395840}

[scottmg, 2016-05-25 16:32:20]

On 2016/05/25 09:37:36, commit-bot: I haz the power wrote:
> Patchset 1 (id:??) landed as
> https://crrev.com/da0a45ca416398c5942e135a00bed17a78297adf
> Cr-Commit-Position: refs/heads/master@{#395840}

Thank you, lgtm.