Soften assertion slightly, to survive saturated arithmetic situations.

Soften assertion slightly, to survive saturated arithmetic situations.

We do want to be at the exact top of a column here, but if the flow thread top
offset for the next column is larger than what a LayoutUnit can hold, we get a
bogus value passed here. Survive the assertion and carry on.

BUG=574309
R=leviw@chromium.org

Committed: https://crrev.com/59bc118f74edef7b3e4a2f5f2010066893aa27bb
Cr-Commit-Position: refs/heads/master@{#370297}

[leviw_travelin_and_unemployed, 2016-01-20 00:34:01]

The CQ bit was checked by leviw@chromium.org

[leviw_travelin_and_unemployed, 2016-01-20 00:34:01]

lgtm

lol @ test name.

[commit-bot: I haz the power, 2016-01-20 00:38:47]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1558133002/1
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1558133002/1

[commit-bot: I haz the power, 2016-01-20 04:09:28]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2016-01-20 04:11:06]

Description was changed from

==========
Soften assertion slightly, to survive saturated arithmetic situations.

We do want to be at the exact top of a column here, but if the flow thread top
offset for the next column is larger than what a LayoutUnit can hold, we get a
bogus value passed here. Survive the assertion and carry on.

BUG=574309
R=leviw@chromium.org
==========

to

==========
Soften assertion slightly, to survive saturated arithmetic situations.

We do want to be at the exact top of a column here, but if the flow thread top
offset for the next column is larger than what a LayoutUnit can hold, we get a
bogus value passed here. Survive the assertion and carry on.

BUG=574309
R=leviw@chromium.org

Committed: https://crrev.com/59bc118f74edef7b3e4a2f5f2010066893aa27bb
Cr-Commit-Position: refs/heads/master@{#370297}
==========

[commit-bot: I haz the power, 2016-01-20 04:11:07]

Patchset 1 (id:??) landed as
https://crrev.com/59bc118f74edef7b3e4a2f5f2010066893aa27bb
Cr-Commit-Position: refs/heads/master@{#370297}