Revert of Print creator's call-stack on URLRequestContextGetter leak in Debug.

Revert of Print creator's call-stack on URLRequestContextGetter leak in Debug. (patchset #1 id:1 of https://codereview.chromium.org/2702083002/ )

Reason for revert:
This output is too noisy on browser shutdown, where is apparently now expected that we leak things.

Original issue's description:
> Print creator's call-stack on URLRequestContextGetter leak in Debug.
> 
> This adds a StackTrace member to the URLRequestContextGetter base, to
> allow the call-stack that created the instance to be printed in case
> of it having to be leaked because of the owning thread having gone away.
> 
> BUG=693965
> 
> Review-Url: https://codereview.chromium.org/2702083002
> Cr-Commit-Position: refs/heads/master@{#452289}
> Committed: https://chromium.googlesource.com/chromium/src/+/c59596d13ec0e105c72dd69661b8bcb505d9afa7

TBR=rsleevi@chromium.org
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=693965
Review-Url: https://codereview.chromium.org/2708923008
Cr-Commit-Position: refs/heads/master@{#452605}
Committed: https://chromium.googlesource.com/chromium/src/+/55fa5c6ec96a1f955cf0c3a85b6689239e8ab08e

[Wez, 2017-02-23 20:23:13]

The CQ bit was checked by wez@chromium.org

[Wez, 2017-02-23 20:23:14]

Created Revert of Print creator's call-stack on URLRequestContextGetter leak in
Debug.

[commit-bot: I haz the power, 2017-02-23 20:23:42]

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, 2017-02-23 20:24:30]

CQ is committing da patch.

Bot data: {"patchset_id": 1, "attempt_start_ts": 1487881393540790, "parent_rev":
"7c08341355521d6c42f964e704e8c93639789b56", "commit_rev":
"55fa5c6ec96a1f955cf0c3a85b6689239e8ab08e"}

[commit-bot: I haz the power, 2017-02-23 20:25:05]

Description was changed from

==========
Revert of Print creator's call-stack on URLRequestContextGetter leak in Debug.
(patchset #1 id:1 of https://codereview.chromium.org/2702083002/ )

Reason for revert:
This output is too noisy on browser shutdown, where is apparently now expected
that we leak things.

Original issue's description:
> Print creator's call-stack on URLRequestContextGetter leak in Debug.
> 
> This adds a StackTrace member to the URLRequestContextGetter base, to
> allow the call-stack that created the instance to be printed in case
> of it having to be leaked because of the owning thread having gone away.
> 
> BUG=693965
> 
> Review-Url: https://codereview.chromium.org/2702083002
> Cr-Commit-Position: refs/heads/master@{#452289}
> Committed:
https://chromium.googlesource.com/chromium/src/+/c59596d13ec0e105c72dd69661b8...

TBR=rsleevi@chromium.org
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=693965
==========

to

==========
Revert of Print creator's call-stack on URLRequestContextGetter leak in Debug.
(patchset #1 id:1 of https://codereview.chromium.org/2702083002/ )

Reason for revert:
This output is too noisy on browser shutdown, where is apparently now expected
that we leak things.

Original issue's description:
> Print creator's call-stack on URLRequestContextGetter leak in Debug.
> 
> This adds a StackTrace member to the URLRequestContextGetter base, to
> allow the call-stack that created the instance to be printed in case
> of it having to be leaked because of the owning thread having gone away.
> 
> BUG=693965
> 
> Review-Url: https://codereview.chromium.org/2702083002
> Cr-Commit-Position: refs/heads/master@{#452289}
> Committed:
https://chromium.googlesource.com/chromium/src/+/c59596d13ec0e105c72dd69661b8...

TBR=rsleevi@chromium.org
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=693965

Review-Url: https://codereview.chromium.org/2708923008
Cr-Commit-Position: refs/heads/master@{#452605}
Committed:
https://chromium.googlesource.com/chromium/src/+/55fa5c6ec96a1f955cf0c3a85b66...
==========

[commit-bot: I haz the power, 2017-02-23 20:25:07]

Committed patchset #1 (id:1) as
https://chromium.googlesource.com/chromium/src/+/55fa5c6ec96a1f955cf0c3a85b66...

[Ryan Sleevi, 2017-02-23 20:25:21]

LGTM & sorry for confusion. I thought you were hoping to burn down the
non-browser case