Introduce DCHECK() in expandToParagraphBoundary()

Introduce DCHECK() in expandToParagraphBoundary()

This patch introduces |DCHECK()| in |expandToParagraphBoundary()| to detect
where we do wrong for ease of finding root cause.

BUG=600378
TEST=n/a; no behavior changes

Committed: https://crrev.com/3325b1d139dd5ce8101ed992c3038b5ddcca5513
Cr-Commit-Position: refs/heads/master@{#385368}

[yosin_UTC9, 2016-04-05 06:17:32]

Description was changed from

==========
2016-04-05T15:08:50

BUG=600378
==========

to

==========
Introduce DCHECK() in expandToParagraphBoundary()

This patch introduces |DCHECK()| in |expandToParagraphBoundary()| to detect
where we do wrong for ease of finding root cause.

BUG=600378
TEST=n/a; no behavior changes
==========

[yosin_UTC9, 2016-04-05 06:17:32]

yosin@chromium.org changed reviewers:
+ yoichio@chromium.org

[yosin_UTC9, 2016-04-05 06:17:41]

PTAL

[yoichio, 2016-04-05 09:29:23]

On 2016/04/05 06:17:41, Yosi_UTC9 wrote:
> PTAL

What's the different between ASSERT and DCHECK?

[yosin_UTC9, 2016-04-06 01:04:25]

On 2016/04/05 at 09:29:23, yoichio wrote:
> On 2016/04/05 06:17:41, Yosi_UTC9 wrote:
> > PTAL
> 
> What's the different between ASSERT and DCHECK?

ASSERT() is deprecated. We should use DCHECK() family instead of ASSERT().

[yoichio, 2016-04-06 01:42:01]

lgtm

[yosin_UTC9, 2016-04-06 01:58:37]

The CQ bit was checked by yosin@chromium.org

[commit-bot: I haz the power, 2016-04-06 01:58:58]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1860883002/1
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1860883002/1

[commit-bot: I haz the power, 2016-04-06 02:06:16]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2016-04-06 02:07:20]

Description was changed from

==========
Introduce DCHECK() in expandToParagraphBoundary()

This patch introduces |DCHECK()| in |expandToParagraphBoundary()| to detect
where we do wrong for ease of finding root cause.

BUG=600378
TEST=n/a; no behavior changes
==========

to

==========
Introduce DCHECK() in expandToParagraphBoundary()

This patch introduces |DCHECK()| in |expandToParagraphBoundary()| to detect
where we do wrong for ease of finding root cause.

BUG=600378
TEST=n/a; no behavior changes

Committed: https://crrev.com/3325b1d139dd5ce8101ed992c3038b5ddcca5513
Cr-Commit-Position: refs/heads/master@{#385368}
==========

[commit-bot: I haz the power, 2016-04-06 02:07:21]

Patchset 1 (id:??) landed as
https://crrev.com/3325b1d139dd5ce8101ed992c3038b5ddcca5513
Cr-Commit-Position: refs/heads/master@{#385368}