[css-grid] Fix excesive usage of SubtreeLayoutScope

[css-grid] Fix excesive usage of SubtreeLayoutScope

The purpose of the class is to mark a subtree as needing layout mainly for
multipass layout. We should just use LayoutObject->setNeedsLayout()

Committed: https://crrev.com/968cc7566cefe704ffee161725c4c547c4dc8493
Cr-Commit-Position: refs/heads/master@{#418576}

[svillar, 2016-09-14 10:51:20]

svillar@igalia.com changed reviewers:
+ cbiesinger@chromium.org, eae@chromium.org, jfernandez@igalia.com,
rego@igalia.com

[jfernandez, 2016-09-14 11:11:15]

lgtm

[cbiesinger1, 2016-09-14 12:34:20]

On 2016/09/14 11:11:15, jfernandez wrote:
> lgtm

Lgtm

[svillar, 2016-09-14 14:25:51]

The CQ bit was checked by svillar@igalia.com

[commit-bot: I haz the power, 2016-09-14 14:26:07]

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, 2016-09-14 16:11:09]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2016-09-14 16:12:39]

Description was changed from

==========
[css-grid] Fix excesive usage of SubtreeLayoutScope

The purpose of the class is to mark a subtree as needing layout mainly for
multipass layout. We should just use LayoutObject->setNeedsLayout()
==========

to

==========
[css-grid] Fix excesive usage of SubtreeLayoutScope

The purpose of the class is to mark a subtree as needing layout mainly for
multipass layout. We should just use LayoutObject->setNeedsLayout()

Committed: https://crrev.com/968cc7566cefe704ffee161725c4c547c4dc8493
Cr-Commit-Position: refs/heads/master@{#418576}
==========

[commit-bot: I haz the power, 2016-09-14 16:12:40]

Patchset 1 (id:??) landed as
https://crrev.com/968cc7566cefe704ffee161725c4c547c4dc8493
Cr-Commit-Position: refs/heads/master@{#418576}