Remove obsolete PauseableHttpProtocolHandler class.

Remove obsolete PauseableHttpProtocolHandler class.

This class is never referenced apart from declaration/definition
and thus can be removed from the codebase.

BUG=585700
Review-Url: https://codereview.chromium.org/2627973005
Cr-Commit-Position: refs/heads/master@{#443578}
Committed: https://chromium.googlesource.com/chromium/src/+/5688a4a82f90d9c27ab3e39d0dd682ca31f5876a

[sdefresne, 2017-01-12 16:42:15]

The CQ bit was checked by sdefresne@chromium.org to run a CQ dry run

[commit-bot: I haz the power, 2017-01-12 16:42:29]

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

[sdefresne, 2017-01-12 16:43:26]

sdefresne@chromium.org changed reviewers:
+ eugenebut@chromium.org

[sdefresne, 2017-01-12 16:43:27]

Please take a look and send to CQ if LGTY.

[sdefresne, 2017-01-12 16:43:32]

The CQ bit was unchecked by sdefresne@chromium.org

[Eugene But (OOO till 7-30), 2017-01-12 16:49:59]

The CQ bit was checked by eugenebut@chromium.org

[Eugene But (OOO till 7-30), 2017-01-12 16:50:00]

lgtm

[commit-bot: I haz the power, 2017-01-12 16:50:34]

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

[commit-bot: I haz the power, 2017-01-12 16:50:35]

This CL has an open dependency (Issue 2622393004 Patch 1). Please resolve the
dependency and try again.
If you are sure that there is no real dependency, please use one of the options
listed in https://goo.gl/9Es4OR to land the CL.

[Eugene But (OOO till 7-30), 2017-01-13 16:33:17]

The CQ bit was checked by eugenebut@chromium.org

[commit-bot: I haz the power, 2017-01-13 16:33:45]

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, 2017-01-13 16:45:31]

CQ is committing da patch.

Bot data: {"patchset_id": 1, "attempt_start_ts": 1484325197504600, "parent_rev":
"5f6b70eb67a2f1633ca5fcaa04374f7abd8c000c", "commit_rev":
"5688a4a82f90d9c27ab3e39d0dd682ca31f5876a"}

[commit-bot: I haz the power, 2017-01-13 16:47:07]

Description was changed from

==========
Remove obsolete PauseableHttpProtocolHandler class.

This class is never referenced apart from declaration/definition
and thus can be removed from the codebase.

BUG=585700
==========

to

==========
Remove obsolete PauseableHttpProtocolHandler class.

This class is never referenced apart from declaration/definition
and thus can be removed from the codebase.

BUG=585700

Review-Url: https://codereview.chromium.org/2627973005
Cr-Commit-Position: refs/heads/master@{#443578}
Committed:
https://chromium.googlesource.com/chromium/src/+/5688a4a82f90d9c27ab3e39d0dd6...
==========

[commit-bot: I haz the power, 2017-01-13 16:47:08]

Committed patchset #1 (id:1) as
https://chromium.googlesource.com/chromium/src/+/5688a4a82f90d9c27ab3e39d0dd6...

[mef, 2017-01-13 18:07:44]

On 2017/01/13 16:47:08, commit-bot: I haz the power wrote:
> Committed patchset #1 (id:1) as
>
https://chromium.googlesource.com/chromium/src/+/5688a4a82f90d9c27ab3e39d0dd6...

Um, this class is used in Cronet.mm.

[Eugene But (OOO till 7-30), 2017-01-13 18:54:41]

A revert of this CL (patchset #1 id:1) has been created in
https://codereview.chromium.org/2632643003/ by eugenebut@chromium.org.

The reason for reverting is: Breaks CroNet.