Revert of Use timer task queue for RenderMediaLog

Revert of Use timer task queue for RenderMediaLog (patchset #2 id:20001 of https://codereview.chromium.org/2647453003/ )

Reason for revert:
VideoFullscreenOrientationLockTests became flaky (see crbug.com/676070)

Original issue's description:
> Use timer task queue for RenderMediaLog
> 
> As a part of effort to post tasks to correct scheduler task queues instead
> of default one, use frame-specific timer task runner for RenderMediaLog tasks.
> 
> BUG=676805
> 
> Review-Url: https://codereview.chromium.org/2647453003
> Cr-Commit-Position: refs/heads/master@{#448777}
> Committed: https://chromium.googlesource.com/chromium/src/+/c4d24a8a8d97013513f2f668734ce608a82a541a

TBR=jochen@chromium.org,dalecurtis@chromium.org
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=676805
Review-Url: https://codereview.chromium.org/2688523002
Cr-Commit-Position: refs/heads/master@{#449023}
Committed: https://chromium.googlesource.com/chromium/src/+/9ea4b653af65fdb18c37f54d9986708f5277f8db

[altimin, 2017-02-08 17:27:07]

The CQ bit was checked by altimin@chromium.org

[altimin, 2017-02-08 17:27:08]

Created Revert of Use timer task queue for RenderMediaLog

[commit-bot: I haz the power, 2017-02-08 17:27:45]

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, 2017-02-08 17:28:29]

CQ is committing da patch.

Bot data: {"patchset_id": 1, "attempt_start_ts": 1486574827984410, "parent_rev":
"fd0974677de6c22205d67b301780ac4af863528f", "commit_rev":
"9ea4b653af65fdb18c37f54d9986708f5277f8db"}

[commit-bot: I haz the power, 2017-02-08 17:29:06]

Description was changed from

==========
Revert of Use timer task queue for RenderMediaLog (patchset #2 id:20001 of
https://codereview.chromium.org/2647453003/ )

Reason for revert:
VideoFullscreenOrientationLockTests became flaky (see crbug.com/676070)

Original issue's description:
> Use timer task queue for RenderMediaLog
> 
> As a part of effort to post tasks to correct scheduler task queues instead
> of default one, use frame-specific timer task runner for RenderMediaLog tasks.
> 
> BUG=676805
> 
> Review-Url: https://codereview.chromium.org/2647453003
> Cr-Commit-Position: refs/heads/master@{#448777}
> Committed:
https://chromium.googlesource.com/chromium/src/+/c4d24a8a8d97013513f2f668734c...

TBR=jochen@chromium.org,dalecurtis@chromium.org
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=676805
==========

to

==========
Revert of Use timer task queue for RenderMediaLog (patchset #2 id:20001 of
https://codereview.chromium.org/2647453003/ )

Reason for revert:
VideoFullscreenOrientationLockTests became flaky (see crbug.com/676070)

Original issue's description:
> Use timer task queue for RenderMediaLog
> 
> As a part of effort to post tasks to correct scheduler task queues instead
> of default one, use frame-specific timer task runner for RenderMediaLog tasks.
> 
> BUG=676805
> 
> Review-Url: https://codereview.chromium.org/2647453003
> Cr-Commit-Position: refs/heads/master@{#448777}
> Committed:
https://chromium.googlesource.com/chromium/src/+/c4d24a8a8d97013513f2f668734c...

TBR=jochen@chromium.org,dalecurtis@chromium.org
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=676805

Review-Url: https://codereview.chromium.org/2688523002
Cr-Commit-Position: refs/heads/master@{#449023}
Committed:
https://chromium.googlesource.com/chromium/src/+/9ea4b653af65fdb18c37f54d9986...
==========

[commit-bot: I haz the power, 2017-02-08 17:29:07]

Committed patchset #1 (id:1) as
https://chromium.googlesource.com/chromium/src/+/9ea4b653af65fdb18c37f54d9986...