Revert of Use TaskRunnerTimer in PingLoader

Revert of Use TaskRunnerTimer in PingLoader (patchset #1 id:1 of https://codereview.chromium.org/2646523002/ )

Reason for revert:
Pingloader should have its timeout persist after frame destruction.

Original issue's description:
> Use TaskRunnerTimer in PingLoader
> 
> Blocker for the per-frame scheduler.
> 
> BUG=624694
> 
> Review-Url: https://codereview.chromium.org/2646523002
> Cr-Commit-Position: refs/heads/master@{#444627}
> Committed: https://chromium.googlesource.com/chromium/src/+/81f01201993a78e1c89d70f11bc90b636a53cc99

TBR=yhirano@chromium.org
# Not skipping CQ checks because original CL landed more than 1 days ago.
BUG=624694, 683900
Review-Url: https://codereview.chromium.org/2654463002
Cr-Commit-Position: refs/heads/master@{#445380}
Committed: https://chromium.googlesource.com/chromium/src/+/49db2761173c14255f053871fb0b862dcf57fda3

[Charlie Harrison, 2017-01-23 13:05:36]

The CQ bit was checked by csharrison@chromium.org

[Charlie Harrison, 2017-01-23 13:05:36]

Created Revert of Use TaskRunnerTimer in PingLoader

[commit-bot: I haz the power, 2017-01-23 13:05:54]

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, 2017-01-23 13:07:20]

The CQ bit was unchecked by commit-bot@chromium.org

[commit-bot: I haz the power, 2017-01-23 13:07:21]

Try jobs failed on following builders:
  win_chromium_compile_dbg_ng on master.tryserver.chromium.win (JOB_FAILED,
http://build.chromium.org/p/tryserver.chromium.win/builders/win_chromium_comp...)

[Charlie Harrison, 2017-01-23 13:19:52]

The CQ bit was checked by csharrison@chromium.org

[commit-bot: I haz the power, 2017-01-23 13:20:07]

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

[Charlie Harrison, 2017-01-23 13:24:26]

Description was changed from

==========
Revert of Use TaskRunnerTimer in PingLoader (patchset #1 id:1 of
https://codereview.chromium.org/2646523002/ )

Reason for revert:
Pingloader should have its timeout persist after frame destruction.

Original issue's description:
> Use TaskRunnerTimer in PingLoader
> 
> Blocker for the per-frame scheduler.
> 
> BUG=624694
> 
> Review-Url: https://codereview.chromium.org/2646523002
> Cr-Commit-Position: refs/heads/master@{#444627}
> Committed:
https://chromium.googlesource.com/chromium/src/+/81f01201993a78e1c89d70f11bc9...

TBR=yhirano@chromium.org
# Not skipping CQ checks because original CL landed more than 1 days ago.
BUG=624694
==========

to

==========
Revert of Use TaskRunnerTimer in PingLoader (patchset #1 id:1 of
https://codereview.chromium.org/2646523002/ )

Reason for revert:
Pingloader should have its timeout persist after frame destruction.

Original issue's description:
> Use TaskRunnerTimer in PingLoader
> 
> Blocker for the per-frame scheduler.
> 
> BUG=624694
> 
> Review-Url: https://codereview.chromium.org/2646523002
> Cr-Commit-Position: refs/heads/master@{#444627}
> Committed:
https://chromium.googlesource.com/chromium/src/+/81f01201993a78e1c89d70f11bc9...

TBR=yhirano@chromium.org
# Not skipping CQ checks because original CL landed more than 1 days ago.
BUG=624694,683900
==========

[commit-bot: I haz the power, 2017-01-23 15:39:42]

CQ is committing da patch.

Bot data: {"patchset_id": 1, "attempt_start_ts": 1485177592788880, "parent_rev":
"47829139798f16b1427ee287b453853724a7473a", "commit_rev":
"49db2761173c14255f053871fb0b862dcf57fda3"}

[commit-bot: I haz the power, 2017-01-23 15:40:14]

Description was changed from

==========
Revert of Use TaskRunnerTimer in PingLoader (patchset #1 id:1 of
https://codereview.chromium.org/2646523002/ )

Reason for revert:
Pingloader should have its timeout persist after frame destruction.

Original issue's description:
> Use TaskRunnerTimer in PingLoader
> 
> Blocker for the per-frame scheduler.
> 
> BUG=624694
> 
> Review-Url: https://codereview.chromium.org/2646523002
> Cr-Commit-Position: refs/heads/master@{#444627}
> Committed:
https://chromium.googlesource.com/chromium/src/+/81f01201993a78e1c89d70f11bc9...

TBR=yhirano@chromium.org
# Not skipping CQ checks because original CL landed more than 1 days ago.
BUG=624694,683900
==========

to

==========
Revert of Use TaskRunnerTimer in PingLoader (patchset #1 id:1 of
https://codereview.chromium.org/2646523002/ )

Reason for revert:
Pingloader should have its timeout persist after frame destruction.

Original issue's description:
> Use TaskRunnerTimer in PingLoader
> 
> Blocker for the per-frame scheduler.
> 
> BUG=624694
> 
> Review-Url: https://codereview.chromium.org/2646523002
> Cr-Commit-Position: refs/heads/master@{#444627}
> Committed:
https://chromium.googlesource.com/chromium/src/+/81f01201993a78e1c89d70f11bc9...

TBR=yhirano@chromium.org
# Not skipping CQ checks because original CL landed more than 1 days ago.
BUG=624694,683900

Review-Url: https://codereview.chromium.org/2654463002
Cr-Commit-Position: refs/heads/master@{#445380}
Committed:
https://chromium.googlesource.com/chromium/src/+/49db2761173c14255f053871fb0b...
==========

[commit-bot: I haz the power, 2017-01-23 15:40:15]

Committed patchset #1 (id:1) as
https://chromium.googlesource.com/chromium/src/+/49db2761173c14255f053871fb0b...