[LayoutNG] Make NGBlockNode return a const style reference.

[LayoutNG] Make NGBlockNode return a const style reference.

Remove the mutable style accessor.

BUG=635619
Review-Url: https://codereview.chromium.org/2664383003
Cr-Commit-Position: refs/heads/master@{#447500}
Committed: https://chromium.googlesource.com/chromium/src/+/3be93b1595c5d1460e8cac47c78c1de2ff989908

[ikilpatrick, 2017-02-01 08:36:05]

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

[commit-bot: I haz the power, 2017-02-01 08:36:20]

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, 2017-02-01 10:05:39]

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

[commit-bot: I haz the power, 2017-02-01 10:05:39]

Dry run: This issue passed the CQ dry run.

[ikilpatrick, 2017-02-01 11:00:39]

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

[commit-bot: I haz the power, 2017-02-01 11:00:46]

Dry run: CQ is trying da patch. Follow status at
 
https://chromium-cq-status.appspot.com/v2/patch-status/codereview.chromium.or...

[ikilpatrick, 2017-02-01 11:02:16]

ikilpatrick@chromium.org changed reviewers:
+ glebl@chromium.org

[commit-bot: I haz the power, 2017-02-01 12:32:06]

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

[commit-bot: I haz the power, 2017-02-01 12:32:06]

Dry run: This issue passed the CQ dry run.

[cbiesinger, 2017-02-01 13:14:33]

lgtm

[cbiesinger, 2017-02-01 13:14:51]

The CQ bit was checked by cbiesinger@chromium.org

[commit-bot: I haz the power, 2017-02-01 13:15:07]

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, 2017-02-01 13:19:01]

CQ is committing da patch.

Bot data: {"patchset_id": 20001, "attempt_start_ts": 1485954891202560,
"parent_rev": "1764521fd144201e6dbb5514ad8967b50c035393", "commit_rev":
"3be93b1595c5d1460e8cac47c78c1de2ff989908"}

[commit-bot: I haz the power, 2017-02-01 13:19:37]

Description was changed from

==========
[LayoutNG] Make NGBlockNode return a const style reference.

Remove the mutable style accessor.

BUG=635619
==========

to

==========
[LayoutNG] Make NGBlockNode return a const style reference.

Remove the mutable style accessor.

BUG=635619

Review-Url: https://codereview.chromium.org/2664383003
Cr-Commit-Position: refs/heads/master@{#447500}
Committed:
https://chromium.googlesource.com/chromium/src/+/3be93b1595c5d1460e8cac47c78c...
==========

[commit-bot: I haz the power, 2017-02-01 13:19:38]

Committed patchset #2 (id:20001) as
https://chromium.googlesource.com/chromium/src/+/3be93b1595c5d1460e8cac47c78c...