Remove obsolete RequestTrackerImpl::CancelRequests.

Remove obsolete RequestTrackerImpl::CancelRequests.

RequestTrackerImpl::CancelRequests clear the content of
live_requests_ but no object are ever added to that set
and so is obsolete.

BUG=585700
Review-Url: https://codereview.chromium.org/2622393004
Cr-Commit-Position: refs/heads/master@{#443568}
Committed: https://chromium.googlesource.com/chromium/src/+/321d5537e38029ad053c0645492dd9edd30ea9d4

[sdefresne, 2017-01-12 16:00:10]

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

[sdefresne, 2017-01-12 16:00:35]

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

[sdefresne, 2017-01-12 16:00:36]

Please take a look and send to CQ if LGTY.

[commit-bot: I haz the power, 2017-01-12 16:00:49]

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

[Eugene But (OOO till 7-30), 2017-01-12 16:08:37]

lgtm

[sdefresne, 2017-01-12 16:33:48]

The CQ bit was unchecked by sdefresne@chromium.org

[sdefresne, 2017-01-12 16:33:52]

The CQ bit was checked by sdefresne@chromium.org

[commit-bot: I haz the power, 2017-01-12 16:34:11]

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

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

This CL has an open dependency (Issue 2615003002 Patch 120001). 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.

[sdefresne, 2017-01-13 15:59:50]

The CQ bit was checked by sdefresne@chromium.org

[sdefresne, 2017-01-13 15:59:50]

The patchset sent to the CQ was uploaded after l-g-t-m from
eugenebut@chromium.org
Link to the patchset: https://codereview.chromium.org/2622393004/#ps20001
(title: "Rebase on origin/master.")

[commit-bot: I haz the power, 2017-01-13 16:00:34]

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 16:11:12]

CQ is committing da patch.

Bot data: {"patchset_id": 20001, "attempt_start_ts": 1484323190570400,
"parent_rev": "d8f7c3c731abb502fe0c51aeaa387afb367fe898", "commit_rev":
"321d5537e38029ad053c0645492dd9edd30ea9d4"}

[commit-bot: I haz the power, 2017-01-13 16:11:46]

Description was changed from

==========
Remove obsolete RequestTrackerImpl::CancelRequests.

RequestTrackerImpl::CancelRequests clear the content of
live_requests_ but no object are ever added to that set
and so is obsolete.

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

to

==========
Remove obsolete RequestTrackerImpl::CancelRequests.

RequestTrackerImpl::CancelRequests clear the content of
live_requests_ but no object are ever added to that set
and so is obsolete.

BUG=585700

Review-Url: https://codereview.chromium.org/2622393004
Cr-Commit-Position: refs/heads/master@{#443568}
Committed:
https://chromium.googlesource.com/chromium/src/+/321d5537e38029ad053c0645492d...
==========

[commit-bot: I haz the power, 2017-01-13 16:11:47]

Committed patchset #2 (id:20001) as
https://chromium.googlesource.com/chromium/src/+/321d5537e38029ad053c0645492d...