[system-health] Fix mobile facebook story for Nexus7v2.

[system-health] Fix mobile facebook story for Nexus7v2.

Facebook fetches items on demand while scrolling. Before this patch
Nexus7v2 was timing out while waiting for items because the scroll
distance was not enough to trigger fetching of items.

This patch increases the scroll distance and updates WPR.

*** NOTE TO SHERRIF ***
Regressions are expected in browse:social:facebook story.

BUG=631022
Committed: https://crrev.com/aa939aefe4a8f0c33705ed006bcab8bf13134820
Cr-Commit-Position: refs/heads/master@{#407756}

[ulan, 2016-07-25 19:06:31]

Patchset #1 (id:1) has been deleted

[ulan, 2016-07-25 19:44:23]

Patchset #1 (id:20001) has been deleted

[ulan, 2016-07-25 19:47:16]

ulan@chromium.org changed reviewers:
+ nednguyen@google.com

[ulan, 2016-07-25 19:47:17]

ptal

[nednguyen, 2016-07-25 23:14:49]

lgtm

[ulan, 2016-07-26 08:12:34]

The CQ bit was checked by ulan@chromium.org

[commit-bot: I haz the power, 2016-07-26 08:13:01]

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, 2016-07-26 10:06:59]

Committed patchset #1 (id:40001)

[commit-bot: I haz the power, 2016-07-26 10:08:56]

Description was changed from

==========
[system-health] Fix mobile facebook story for Nexus7v2.

Facebook fetches items on demand while scrolling. Before this patch
Nexus7v2 was timing out while waiting for items because the scroll
distance was not enough to trigger fetching of items.

This patch increases the scroll distance and updates WPR.

*** NOTE TO SHERRIF ***
Regressions are expected in browse:social:facebook story.

BUG=631022
==========

to

==========
[system-health] Fix mobile facebook story for Nexus7v2.

Facebook fetches items on demand while scrolling. Before this patch
Nexus7v2 was timing out while waiting for items because the scroll
distance was not enough to trigger fetching of items.

This patch increases the scroll distance and updates WPR.

*** NOTE TO SHERRIF ***
Regressions are expected in browse:social:facebook story.

BUG=631022

Committed: https://crrev.com/aa939aefe4a8f0c33705ed006bcab8bf13134820
Cr-Commit-Position: refs/heads/master@{#407756}
==========

[commit-bot: I haz the power, 2016-07-26 10:08:57]

Patchset 1 (id:??) landed as
https://crrev.com/aa939aefe4a8f0c33705ed006bcab8bf13134820
Cr-Commit-Position: refs/heads/master@{#407756}