Fix wrong paint invalidation container for column spanners

Fix wrong paint invalidation container for column spanners

If a column spanner is under a composited column content, it doesn't
paint onto this composited column content because it belongs to the
column container in paint order.

This regressed since https://codereview.chromium.org/2615203002.

BUG=698216
TEST=paint/invalidation/compositing/column-span-under-composited-column-child.html
CQ_INCLUDE_TRYBOTS=master.tryserver.chromium.linux:linux_layout_tests_slimming_paint_v2

Review-Url: https://codereview.chromium.org/2736373003
Cr-Commit-Position: refs/heads/master@{#455841}
Committed: https://chromium.googlesource.com/chromium/src/+/d0a53bebc4896e68c81ba549a2c01674a3d6621f

[Xianzhu, 2017-03-09 17:36:28]

Description was changed from

==========
Fix wrong paint invalidation container for column spanners

If a column spanner is under a composited column content, it doesn't
paint onto this composited column content because it belongs to the
column container in paint order.

This regressed since https://codereview.chromium.org/2615203002.

BUG=698216
TEST=paint/invalidation/compositing/column-span-under-composited-column-child.html
==========

to

==========
Fix wrong paint invalidation container for column spanners

If a column spanner is under a composited column content, it doesn't
paint onto this composited column content because it belongs to the
column container in paint order.

This regressed since https://codereview.chromium.org/2615203002.

BUG=698216
TEST=paint/invalidation/compositing/column-span-under-composited-column-child.html
CQ_INCLUDE_TRYBOTS=master.tryserver.chromium.linux:linux_layout_tests_slimming_paint_v2
==========

[Xianzhu, 2017-03-09 17:37:22]

wangxianzhu@chromium.org changed reviewers:
+ chrishtr@chromium.org, pdr@chromium.org

[Xianzhu, 2017-03-09 17:37:23]

We need to land this in m57 before it becomes stable.

[pdr., 2017-03-09 17:41:40]

On 2017/03/09 at 17:37:23, wangxianzhu wrote:
> We need to land this in m57 before it becomes stable.

LGTM

[Xianzhu, 2017-03-09 17:58:30]

The CQ bit was checked by wangxianzhu@chromium.org

[commit-bot: I haz the power, 2017-03-09 17:58:46]

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, 2017-03-09 20:01:37]

CQ is committing da patch.

Bot data: {"patchset_id": 1, "attempt_start_ts": 1489082310897040, "parent_rev":
"d2501577f2df0764eda66614ddf429e230062562", "commit_rev":
"d0a53bebc4896e68c81ba549a2c01674a3d6621f"}

[commit-bot: I haz the power, 2017-03-09 20:03:17]

Description was changed from

==========
Fix wrong paint invalidation container for column spanners

If a column spanner is under a composited column content, it doesn't
paint onto this composited column content because it belongs to the
column container in paint order.

This regressed since https://codereview.chromium.org/2615203002.

BUG=698216
TEST=paint/invalidation/compositing/column-span-under-composited-column-child.html
CQ_INCLUDE_TRYBOTS=master.tryserver.chromium.linux:linux_layout_tests_slimming_paint_v2
==========

to

==========
Fix wrong paint invalidation container for column spanners

If a column spanner is under a composited column content, it doesn't
paint onto this composited column content because it belongs to the
column container in paint order.

This regressed since https://codereview.chromium.org/2615203002.

BUG=698216
TEST=paint/invalidation/compositing/column-span-under-composited-column-child.html
CQ_INCLUDE_TRYBOTS=master.tryserver.chromium.linux:linux_layout_tests_slimming_paint_v2

Review-Url: https://codereview.chromium.org/2736373003
Cr-Commit-Position: refs/heads/master@{#455841}
Committed:
https://chromium.googlesource.com/chromium/src/+/d0a53bebc4896e68c81ba549a2c0...
==========

[commit-bot: I haz the power, 2017-03-09 20:03:18]

Committed patchset #1 (id:1) as
https://chromium.googlesource.com/chromium/src/+/d0a53bebc4896e68c81ba549a2c0...