📰 Make the section dismissal range dynamic

[NTP Client] Make the section dismissal range dynamic

The section dismissal range used to be hardcoded, but since the
header is now optional, it requires to shift it up. This change
stops the hardcoding and just uses computed positions

BUG=692978
Review-Url: https://codereview.chromium.org/2706063002
Cr-Commit-Position: refs/heads/master@{#451627}
Committed: https://chromium.googlesource.com/chromium/src/+/2593372e3ff1af1415f0f53b19078b99e6709483

[dgn, 2017-02-20 13:14:43]

dgn@chromium.org changed reviewers:
+ bauerb@chromium.org

[dgn, 2017-02-20 13:14:43]

PTAL

[dgn, 2017-02-20 13:14:48]

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

[commit-bot: I haz the power, 2017-02-20 13:14:56]

Dry run: 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, 2017-02-20 14:15:28]

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

[commit-bot: I haz the power, 2017-02-20 14:15:29]

Dry run: This issue passed the CQ dry run.

[Bernhard Bauer, 2017-02-20 14:24:43]

lgtm

[dgn, 2017-02-20 15:02:14]

The CQ bit was checked by dgn@chromium.org

[commit-bot: I haz the power, 2017-02-20 15:02:31]

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, 2017-02-20 15:07:08]

CQ is committing da patch.

Bot data: {"patchset_id": 1, "attempt_start_ts": 1487602934459910, "parent_rev":
"9d3329c4a3d3dd0ab85869b7de4d62a8e2797520", "commit_rev":
"2593372e3ff1af1415f0f53b19078b99e6709483"}

[commit-bot: I haz the power, 2017-02-20 15:07:43]

Description was changed from

==========
[NTP Client] Make the section dismissal range dynamic

The section dismissal range used to be hardcoded, but since the
header is now optional, it requires to shift it up. This change
stops the hardcoding and just uses computed positions

BUG=692978
==========

to

==========
[NTP Client] Make the section dismissal range dynamic

The section dismissal range used to be hardcoded, but since the
header is now optional, it requires to shift it up. This change
stops the hardcoding and just uses computed positions

BUG=692978

Review-Url: https://codereview.chromium.org/2706063002
Cr-Commit-Position: refs/heads/master@{#451627}
Committed:
https://chromium.googlesource.com/chromium/src/+/2593372e3ff1af1415f0f53b1907...
==========

[commit-bot: I haz the power, 2017-02-20 15:07:44]

Committed patchset #1 (id:1) as
https://chromium.googlesource.com/chromium/src/+/2593372e3ff1af1415f0f53b1907...