Utilize EphemeralRange::commonAncestorContainer in createStyleAtSelectionStart

Utilize EphemeralRange::commonAncestorContainer() in EditingStyleUtilities::createStyleAtSelectionStart()

This patch changes EditingStyleUtilities::createStyleAtSelectionStart()| to use
|EphemeralRange::commonAncestorContainer()| instead of |Range|'s member function
to reduce source code size for improving code health.


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

Review-Url: https://codereview.chromium.org/2739123002
Cr-Commit-Position: refs/heads/master@{#455938}
Committed: https://chromium.googlesource.com/chromium/src/+/9f64c4e349b9c3934330599c4f0ad664f2d00d20

[yosin_UTC9, 2017-03-09 09:36:20]

Description was changed from

==========
2017-03-09T18:34:12

2017-03-09T18:34:07

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

to

==========
Utilize EphemeralRange::commonAncestorContainer() in
EditingStyleUtilities::createStyleAtSelectionStart()

This patch changes EditingStyleUtilities::createStyleAtSelectionStart()| to use
|EphemeralRange::commonAncestorContainer()| instead of |Range|'s member function
to reduce source code size for improving code health.


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

[yosin_UTC9, 2017-03-09 09:36:27]

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

[commit-bot: I haz the power, 2017-03-09 09:36:35]

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

[yosin_UTC9, 2017-03-09 11:26:23]

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

[yosin_UTC9, 2017-03-09 11:26:24]

PTAL

[commit-bot: I haz the power, 2017-03-09 12:11:09]

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

[commit-bot: I haz the power, 2017-03-09 12:11:10]

Dry run: This issue passed the CQ dry run.

[Xiaocheng, 2017-03-09 19:14:50]

lgtm

[yosin_UTC9, 2017-03-10 00:58:10]

The CQ bit was checked by yosin@chromium.org

[commit-bot: I haz the power, 2017-03-10 00:58:37]

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, 2017-03-10 01:06:33]

CQ is committing da patch.

Bot data: {"patchset_id": 1, "attempt_start_ts": 1489107490090160, "parent_rev":
"246a46ddac2484d3860a4661010a683b0ab02289", "commit_rev":
"9f64c4e349b9c3934330599c4f0ad664f2d00d20"}

[commit-bot: I haz the power, 2017-03-10 01:07:56]

Description was changed from

==========
Utilize EphemeralRange::commonAncestorContainer() in
EditingStyleUtilities::createStyleAtSelectionStart()

This patch changes EditingStyleUtilities::createStyleAtSelectionStart()| to use
|EphemeralRange::commonAncestorContainer()| instead of |Range|'s member function
to reduce source code size for improving code health.


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

to

==========
Utilize EphemeralRange::commonAncestorContainer() in
EditingStyleUtilities::createStyleAtSelectionStart()

This patch changes EditingStyleUtilities::createStyleAtSelectionStart()| to use
|EphemeralRange::commonAncestorContainer()| instead of |Range|'s member function
to reduce source code size for improving code health.


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

Review-Url: https://codereview.chromium.org/2739123002
Cr-Commit-Position: refs/heads/master@{#455938}
Committed:
https://chromium.googlesource.com/chromium/src/+/9f64c4e349b9c3934330599c4f0a...
==========

[commit-bot: I haz the power, 2017-03-10 01:07:57]

Committed patchset #1 (id:1) as
https://chromium.googlesource.com/chromium/src/+/9f64c4e349b9c3934330599c4f0a...