Revert of Add instrumentation to help tracking issue 638400.

Revert of Add instrumentation to help tracking issue 638400. (patchset #2 id:20001 of https://codereview.chromium.org/2307463007/ )

Reason for revert:
We collected enough information, reverting.

Original issue's description:
> Add instrumentation to help tracking issue 638400.
>
> This CL forces a dump without crash when a RenderFrameImpl is destroyed after creating a pepper plugin, but before initializing it, testing the theory that the RenderFrameImpl may be destroyed during plugin initialization.
>
> BUG=638400
>
> Committed: https://crrev.com/246881fe95d4a2cdf4fcd0dab7c1b987e0f4d8f3
> Cr-Commit-Position: refs/heads/master@{#416353}

TBR=creis@chromium.org
# Not skipping CQ checks because original CL landed more than 1 days ago.
BUG=638400
Committed: https://crrev.com/fb1228ce0a224b76f2131d9f2a81f332f2b41293
Cr-Commit-Position: refs/heads/master@{#416948}

[lfg, 2016-09-07 15:18:32]

The CQ bit was checked by lfg@chromium.org

[lfg, 2016-09-07 15:18:33]

Created Revert of Add instrumentation to help tracking issue 638400.

[commit-bot: I haz the power, 2016-09-07 15:18:57]

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, 2016-09-07 16:10:01]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2016-09-07 16:13:31]

Description was changed from

==========
Revert of Add instrumentation to help tracking issue 638400. (patchset #2
id:20001 of https://codereview.chromium.org/2307463007/ )

Reason for revert:
We collected enough information, reverting.

Original issue's description:
> Add instrumentation to help tracking issue 638400.
> 
> This CL forces a dump without crash when a RenderFrameImpl is destroyed after
creating a pepper plugin, but before initializing it, testing the theory that
the RenderFrameImpl may be destroyed during plugin initialization.
> 
> BUG=638400
> 
> Committed: https://crrev.com/246881fe95d4a2cdf4fcd0dab7c1b987e0f4d8f3
> Cr-Commit-Position: refs/heads/master@{#416353}

TBR=creis@chromium.org
# Not skipping CQ checks because original CL landed more than 1 days ago.
BUG=638400
==========

to

==========
Revert of Add instrumentation to help tracking issue 638400. (patchset #2
id:20001 of https://codereview.chromium.org/2307463007/ )

Reason for revert:
We collected enough information, reverting.

Original issue's description:
> Add instrumentation to help tracking issue 638400.
>
> This CL forces a dump without crash when a RenderFrameImpl is destroyed after
creating a pepper plugin, but before initializing it, testing the theory that
the RenderFrameImpl may be destroyed during plugin initialization.
>
> BUG=638400
>
> Committed: https://crrev.com/246881fe95d4a2cdf4fcd0dab7c1b987e0f4d8f3
> Cr-Commit-Position: refs/heads/master@{#416353}

TBR=creis@chromium.org
# Not skipping CQ checks because original CL landed more than 1 days ago.
BUG=638400

Committed: https://crrev.com/fb1228ce0a224b76f2131d9f2a81f332f2b41293
Cr-Commit-Position: refs/heads/master@{#416948}
==========

[commit-bot: I haz the power, 2016-09-07 16:13:32]

Patchset 1 (id:??) landed as
https://crrev.com/fb1228ce0a224b76f2131d9f2a81f332f2b41293
Cr-Commit-Position: refs/heads/master@{#416948}

[Charlie Reis, 2016-09-07 16:27:56]

LGTM