[css-flexbox] Have to call updateBlockChildDirtyBitsBeforeLayout before layoutIfNeeded

[css-flexbox] Have to call updateBlockChildDirtyBitsBeforeLayout before layoutIfNeeded

This makes sure that we relayout children when necessary if they use a
percentage height.

BUG=527039
R=eae@chromium.org,dgrogan@chromium.org

Committed: https://crrev.com/443873aad1beed753a2370a31079d51459e3c3a0
Cr-Commit-Position: refs/heads/master@{#420032}

[cbiesinger, 2016-09-20 19:08:30]

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

[commit-bot: I haz the power, 2016-09-20 19:09:05]

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, 2016-09-20 19:56:30]

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

[commit-bot: I haz the power, 2016-09-20 19:56:31]

Dry run: Try jobs failed on following builders:
  win_chromium_x64_rel_ng on master.tryserver.chromium.win (JOB_FAILED,
http://build.chromium.org/p/tryserver.chromium.win/builders/win_chromium_x64_...)

[eae, 2016-09-21 11:30:05]

The CQ bit was checked by eae@chromium.org

[eae, 2016-09-21 11:30:07]

lgtm

[commit-bot: I haz the power, 2016-09-21 11:30:20]

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, 2016-09-21 12:53:35]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2016-09-21 12:55:25]

Description was changed from

==========
[css-flexbox] Have to call updateBlockChildDirtyBitsBeforeLayout before
layoutIfNeeded

This makes sure that we relayout children when necessary if they use a
percentage height.

BUG=527039
R=eae@chromium.org,dgrogan@chromium.org
==========

to

==========
[css-flexbox] Have to call updateBlockChildDirtyBitsBeforeLayout before
layoutIfNeeded

This makes sure that we relayout children when necessary if they use a
percentage height.

BUG=527039
R=eae@chromium.org,dgrogan@chromium.org

Committed: https://crrev.com/443873aad1beed753a2370a31079d51459e3c3a0
Cr-Commit-Position: refs/heads/master@{#420032}
==========

[commit-bot: I haz the power, 2016-09-21 12:55:26]

Patchset 1 (id:??) landed as
https://crrev.com/443873aad1beed753a2370a31079d51459e3c3a0
Cr-Commit-Position: refs/heads/master@{#420032}