Add comments to blink::highestEditableRoot and blink::enclosingElementWithTag.

Add comments to blink::highestEditableRoot and blink::enclosingElementWithTag.

This CL has no behavior changes.

BUG=537815
NOTRY=true

Committed: https://crrev.com/76cff0d4e48dc6abad1e4d3322932253e152b09e
Cr-Commit-Position: refs/heads/master@{#371962}

[tkent, 2016-01-28 01:41:38]

Description was changed from

==========
Add comments to blink::highestEditableRoot and blink::enclosingElementWithTag.

This CL has no behavior changes.

BUG=537815
==========

to

==========
Add comments to blink::highestEditableRoot and blink::enclosingElementWithTag.

This CL has no behavior changes.

BUG=537815
NOTRY=true
==========

[tkent, 2016-01-28 01:42:03]

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

[tkent, 2016-01-28 01:42:04]

yosin@ or yoichio@, would you review this please?

[yosin_UTC9, 2016-01-28 01:55:02]

The CQ bit was checked by yosin@chromium.org

[yosin_UTC9, 2016-01-28 01:55:03]

lgtm

[commit-bot: I haz the power, 2016-01-28 01:56:55]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1640293005/1
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1640293005/1

[commit-bot: I haz the power, 2016-01-28 02:07:58]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2016-01-28 02:08:59]

Description was changed from

==========
Add comments to blink::highestEditableRoot and blink::enclosingElementWithTag.

This CL has no behavior changes.

BUG=537815
NOTRY=true
==========

to

==========
Add comments to blink::highestEditableRoot and blink::enclosingElementWithTag.

This CL has no behavior changes.

BUG=537815
NOTRY=true

Committed: https://crrev.com/76cff0d4e48dc6abad1e4d3322932253e152b09e
Cr-Commit-Position: refs/heads/master@{#371962}
==========

[commit-bot: I haz the power, 2016-01-28 02:09:00]

Patchset 1 (id:??) landed as
https://crrev.com/76cff0d4e48dc6abad1e4d3322932253e152b09e
Cr-Commit-Position: refs/heads/master@{#371962}