Re-format PositionIterator.cpp to be PRESUBMIT friendly

Re-format PositionIterator.cpp to be PRESUBMIT friendly

This patch re-formats "PositionIterator.cpp" to make it PRESUBMIT friendly and
using early-return style for improving code health.

This patch is a preparation of [1]. When I'm working on [1], PRESUBMIT detects
if-return-else pattern.

[1] http://crrev.com/2720593005: Make PositionIterator to handle INPUT, SELECT
TEXTAREA in flat tree correctly.

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

Review-Url: https://codereview.chromium.org/2728493002
Cr-Commit-Position: refs/heads/master@{#453819}
Committed: https://chromium.googlesource.com/chromium/src/+/c05f2493ffa65543fae98cfd4ae10dcd11421660

[yosin_UTC9, 2017-03-01 01:13:16]

Description was changed from

==========
2017-03-01T10:08:49

2017-03-01T10:08:36

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

to

==========
Re-format PositionIterator.cpp to be PRESUBMIT friendly

This patch re-formats "PositionIterator.cpp" to make it PRESUBMIT friendly and
using early-return style for improving code health.

This patch is a preparation of [1]. When I'm working on [1], PRESUBMIT detects
if-return-else pattern.

[1] http://crrev.com/2720593005: Make PositionIterator to handle INPUT, SELECT
TEXTAREA in flat tree correctly.

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

[yosin_UTC9, 2017-03-01 01:13:21]

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

[commit-bot: I haz the power, 2017-03-01 01:13:51]

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

[yosin_UTC9, 2017-03-01 01:21:57]

yosin@chromium.org changed reviewers:
+ tkent@chromium.org, xiaochengh@chromium.org, yoichio@chromium.org

[yosin_UTC9, 2017-03-01 01:21:57]

PTAL

[tkent, 2017-03-01 02:08:59]

lgtm

[Xiaocheng, 2017-03-01 02:32:47]

lgtm

[yosin_UTC9, 2017-03-01 03:12:56]

The CQ bit was unchecked by yosin@chromium.org

[yosin_UTC9, 2017-03-01 03:12:58]

The CQ bit was checked by yosin@chromium.org

[commit-bot: I haz the power, 2017-03-01 03:13:06]

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, 2017-03-01 03:20:38]

CQ is committing da patch.

Bot data: {"patchset_id": 1, "attempt_start_ts": 1488337978602180, "parent_rev":
"04e8ca70316308763a6f51d1ee11960819887f7e", "commit_rev":
"c05f2493ffa65543fae98cfd4ae10dcd11421660"}

[commit-bot: I haz the power, 2017-03-01 03:21:20]

Description was changed from

==========
Re-format PositionIterator.cpp to be PRESUBMIT friendly

This patch re-formats "PositionIterator.cpp" to make it PRESUBMIT friendly and
using early-return style for improving code health.

This patch is a preparation of [1]. When I'm working on [1], PRESUBMIT detects
if-return-else pattern.

[1] http://crrev.com/2720593005: Make PositionIterator to handle INPUT, SELECT
TEXTAREA in flat tree correctly.

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

to

==========
Re-format PositionIterator.cpp to be PRESUBMIT friendly

This patch re-formats "PositionIterator.cpp" to make it PRESUBMIT friendly and
using early-return style for improving code health.

This patch is a preparation of [1]. When I'm working on [1], PRESUBMIT detects
if-return-else pattern.

[1] http://crrev.com/2720593005: Make PositionIterator to handle INPUT, SELECT
TEXTAREA in flat tree correctly.

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

Review-Url: https://codereview.chromium.org/2728493002
Cr-Commit-Position: refs/heads/master@{#453819}
Committed:
https://chromium.googlesource.com/chromium/src/+/c05f2493ffa65543fae98cfd4ae1...
==========

[commit-bot: I haz the power, 2017-03-01 03:21:21]

Committed patchset #1 (id:1) as
https://chromium.googlesource.com/chromium/src/+/c05f2493ffa65543fae98cfd4ae1...