Convert editing/inserting/insert-br-at-tabspan-00[1-3].html to use w3c test harness

Convert editing/inserting/insert-br-at-tabspan-00[1-3].html to use w3c test harness

This patch converts "editing/inserting/insert-br-at-tabspan-00[1-3].html"
to use w3c test harness to simplify test script for improving readability, and
consolidates into "insert_br_at_tabspan.html" since these files are
in same patch at beginning.

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

Committed: https://crrev.com/1cfde1fcc1ce96c66d2113a6318ddee1fcaf1e13
Cr-Commit-Position: refs/heads/master@{#415264}

[yosin_UTC9, 2016-08-29 08:07:50]

Description was changed from

==========
2016-08-29T17:02:59

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

to

==========
Convert editing/inserting/insert-br-at-tabspan-00[1-3].html to use w3c test
harness

This patch converts "editing/inserting/insert-br-at-tabspan-00[1-3].html"
to use w3c test harness to simplify test script for improving readability, and
consolidates into "insert_br_at_tabspan.html" since these files are
in same patch at beginning.

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

[yosin_UTC9, 2016-08-29 08:08:18]

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

[commit-bot: I haz the power, 2016-08-29 08:08:43]

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, 2016-08-29 09:12:29]

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

[commit-bot: I haz the power, 2016-08-29 09:12:30]

Dry run: This issue passed the CQ dry run.

[yosin_UTC9, 2016-08-29 09:33:38]

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

[yosin_UTC9, 2016-08-29 09:33:39]

PTAL

[Xiaocheng, 2016-08-30 08:22:23]

lgtm

[yosin_UTC9, 2016-08-30 08:33:25]

The CQ bit was checked by yosin@chromium.org

[commit-bot: I haz the power, 2016-08-30 08:33:45]

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, 2016-08-30 10:26:23]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2016-08-30 10:27:44]

Description was changed from

==========
Convert editing/inserting/insert-br-at-tabspan-00[1-3].html to use w3c test
harness

This patch converts "editing/inserting/insert-br-at-tabspan-00[1-3].html"
to use w3c test harness to simplify test script for improving readability, and
consolidates into "insert_br_at_tabspan.html" since these files are
in same patch at beginning.

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

to

==========
Convert editing/inserting/insert-br-at-tabspan-00[1-3].html to use w3c test
harness

This patch converts "editing/inserting/insert-br-at-tabspan-00[1-3].html"
to use w3c test harness to simplify test script for improving readability, and
consolidates into "insert_br_at_tabspan.html" since these files are
in same patch at beginning.

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

Committed: https://crrev.com/1cfde1fcc1ce96c66d2113a6318ddee1fcaf1e13
Cr-Commit-Position: refs/heads/master@{#415264}
==========

[commit-bot: I haz the power, 2016-08-30 10:27:45]

Patchset 1 (id:??) landed as
https://crrev.com/1cfde1fcc1ce96c66d2113a6318ddee1fcaf1e13
Cr-Commit-Position: refs/heads/master@{#415264}