Fix an outdated picture removal test and comment

Fix an outdated picture removal test and comment

One of the Client Hints tests contained an outdated comment about mutation
related issue that was since solved, as well as a workaround for that issue.

This CL removes the comment and makes sure that the test doesn't work around
that no-longer-relevant bug.

BUG=

Committed: https://crrev.com/605adccc5336fbc83fb41fc6516c0e64eb3a0f79
Cr-Commit-Position: refs/heads/master@{#371909}

[Yoav Weiss, 2016-01-27 09:41:03]

yoav@yoav.ws changed reviewers:
+ ericwilligers@chromium.org

[Eric Willigers, 2016-01-27 22:58:00]

The CQ bit was checked by ericwilligers@chromium.org

[Eric Willigers, 2016-01-27 22:58:00]

lgtm

[commit-bot: I haz the power, 2016-01-27 22:59:37]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1644503002/1
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1644503002/1

[commit-bot: I haz the power, 2016-01-27 23:08:35]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2016-01-27 23:09:30]

Description was changed from

==========
Fix an outdated picture removal test and comment

One of the Client Hints tests contained an outdated comment about mutation
related issue that was since solved, as well as a workaround for that issue.

This CL removes the comment and makes sure that the test doesn't work around
that no-longer-relevant bug.

BUG=
==========

to

==========
Fix an outdated picture removal test and comment

One of the Client Hints tests contained an outdated comment about mutation
related issue that was since solved, as well as a workaround for that issue.

This CL removes the comment and makes sure that the test doesn't work around
that no-longer-relevant bug.

BUG=

Committed: https://crrev.com/605adccc5336fbc83fb41fc6516c0e64eb3a0f79
Cr-Commit-Position: refs/heads/master@{#371909}
==========

[commit-bot: I haz the power, 2016-01-27 23:09:31]

Patchset 1 (id:??) landed as
https://crrev.com/605adccc5336fbc83fb41fc6516c0e64eb3a0f79
Cr-Commit-Position: refs/heads/master@{#371909}