Resurrect ASSERT(isFirstAfterBreak(flowThreadOffset()) || !box.paginationStrut()).

Resurrect ASSERT(isFirstAfterBreak(flowThreadOffset()) || !box.paginationStrut()).

This assertion effectively became disabled by accident by
https://codereview.chromium.org/1856373002 , so that fuzzer bug 551312 stopped
asserting, although that bug is still very much present.

R=leviw@chromium.org

Committed: https://crrev.com/930a0d857381d58f3bd6da29253a967ce4481ded
Cr-Commit-Position: refs/heads/master@{#386418}

[leviw_travelin_and_unemployed, 2016-04-11 17:35:51]

The CQ bit was checked by leviw@chromium.org

[leviw_travelin_and_unemployed, 2016-04-11 17:35:52]

lgtm

[commit-bot: I haz the power, 2016-04-11 17:36:28]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1876713003/1
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1876713003/1

[commit-bot: I haz the power, 2016-04-11 18:23:08]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2016-04-11 18:25:15]

Description was changed from

==========
Resurrect ASSERT(isFirstAfterBreak(flowThreadOffset()) ||
!box.paginationStrut()).

This assertion effectively became disabled by accident by
https://codereview.chromium.org/1856373002 , so that fuzzer bug 551312 stopped
asserting, although that bug is still very much present.

R=leviw@chromium.org
==========

to

==========
Resurrect ASSERT(isFirstAfterBreak(flowThreadOffset()) ||
!box.paginationStrut()).

This assertion effectively became disabled by accident by
https://codereview.chromium.org/1856373002 , so that fuzzer bug 551312 stopped
asserting, although that bug is still very much present.

R=leviw@chromium.org

Committed: https://crrev.com/930a0d857381d58f3bd6da29253a967ce4481ded
Cr-Commit-Position: refs/heads/master@{#386418}
==========

[commit-bot: I haz the power, 2016-04-11 18:25:16]

Patchset 1 (id:??) landed as
https://crrev.com/930a0d857381d58f3bd6da29253a967ce4481ded
Cr-Commit-Position: refs/heads/master@{#386418}