[profiler] Add extra CHECK to track down crbug.com/665398

[profiler] Add extra CHECK to track down crbug.com/665398

BUG=chromium:665398
Committed: https://crrev.com/dfc0bb63a1bc115d39f29cfc338aed5676578c4b
Cr-Commit-Position: refs/heads/master@{#41545}

[alph, 2016-12-07 06:59:12]

alph@chromium.org changed reviewers:
+ yangguo@chromium.org

[alph, 2016-12-07 06:59:12]

ptal

[Yang, 2016-12-07 09:19:23]

On 2016/12/07 06:59:12, alph wrote:
> ptal

lgtm

[alph, 2016-12-07 09:58:08]

The CQ bit was checked by alph@chromium.org

[commit-bot: I haz the power, 2016-12-07 09:58:14]

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, 2016-12-07 10:23:50]

CQ is committing da patch.

Bot data: {"patchset_id": 1, "attempt_start_ts": 1481104688227500, "parent_rev":
"c682d0fd1443e05bce78ff5cef25cf985bd5eb03", "commit_rev":
"ff9f7feda6b854d3eedb8bbb4d61b4e76ccd8bb2"}

[commit-bot: I haz the power, 2016-12-07 10:23:56]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2016-12-07 10:24:48]

Description was changed from

==========
[profiler] Add extra CHECK to track down crbug.com/665398

BUG=chromium:665398
==========

to

==========
[profiler] Add extra CHECK to track down crbug.com/665398

BUG=chromium:665398

Committed: https://crrev.com/dfc0bb63a1bc115d39f29cfc338aed5676578c4b
Cr-Commit-Position: refs/heads/master@{#41545}
==========

[commit-bot: I haz the power, 2016-12-07 10:24:49]

Patchset 1 (id:??) landed as
https://crrev.com/dfc0bb63a1bc115d39f29cfc338aed5676578c4b
Cr-Commit-Position: refs/heads/master@{#41545}

[alph, 2016-12-20 02:01:24]

A revert of this CL (patchset #1 id:1) has been created in
https://codereview.chromium.org/2588973003/ by alph@chromium.org.

The reason for reverting is: Not needed anymore. The bug is fixed..