Revert of Re-land 'Fold out-of-flow objects into anonymous blocks when removing children'

Revert of Re-land 'Fold out-of-flow objects into anonymous blocks when removing children' (patchset #2 id:20001 of https://codereview.chromium.org/1543283002/ )

Reason for revert:
Ton of use-after-free security regressions.
BUG=573281
TBR=mstensho@opera.com

Committed: https://crrev.com/9ac62d643dccee5e26e25348458c4db2cae7414e
Cr-Commit-Position: refs/heads/master@{#367233}

[rhogan, 2015-12-31 04:37:59]

Description was changed from

==========
Revert "bug 322039"

This reverts commit 5e10cc146d7be580254d4a881dc9f13003febb18.

BUG=
==========

to

==========
Revert of Re-land 'Fold out-of-flow objects into anonymous blocks when removing
children' (patchset #2 id:20001 of https://codereview.chromium.org/1543283002/ )

Reason for revert:
Ton of use-after-free security regressions.
BUG=573281

TBR=mstensho@opera.com
==========

[rhogan, 2015-12-31 04:38:30]

The CQ bit was checked by robhogan@gmail.com

[commit-bot: I haz the power, 2015-12-31 04:38:35]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1553853002/1
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1553853002/1

[commit-bot: I haz the power, 2015-12-31 06:48:10]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2015-12-31 06:49:59]

Description was changed from

==========
Revert of Re-land 'Fold out-of-flow objects into anonymous blocks when removing
children' (patchset #2 id:20001 of https://codereview.chromium.org/1543283002/ )

Reason for revert:
Ton of use-after-free security regressions.
BUG=573281

TBR=mstensho@opera.com
==========

to

==========
Revert of Re-land 'Fold out-of-flow objects into anonymous blocks when removing
children' (patchset #2 id:20001 of https://codereview.chromium.org/1543283002/ )

Reason for revert:
Ton of use-after-free security regressions.
BUG=573281

TBR=mstensho@opera.com

Committed: https://crrev.com/9ac62d643dccee5e26e25348458c4db2cae7414e
Cr-Commit-Position: refs/heads/master@{#367233}
==========

[commit-bot: I haz the power, 2015-12-31 06:50:00]

Patchset 1 (id:??) landed as
https://crrev.com/9ac62d643dccee5e26e25348458c4db2cae7414e
Cr-Commit-Position: refs/heads/master@{#367233}