Convert editing/deleting/merge-paragraph-from-h6*.html to use w3c test harness

Convert editing/deleting/merge-paragraph-from-h6*.html to use w3c test harness

This patch converts "editing/deleting/merge-paragraph-from-h6*.html" to use w3c
test harness to simplify test script, and consolidates into
"merge_paragraph_from_h6.html" since these test scripts use similar test sample,
for improving code health.

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

Committed: https://crrev.com/4279cdda650058bbf7b82ddf6448927a532b1c76
Cr-Commit-Position: refs/heads/master@{#418501}

[yosin_UTC9, 2016-09-13 09:28:57]

Description was changed from

==========
2016-09-13T18:24:31

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

to

==========
Convert editing/deleting/merge-paragraph-from-h6*.html to use w3c test harness

This patch converts "editing/deleting/merge-paragraph-from-h6*.html" to use w3c
test harness to simplify test script, and consolidates into
"merge_paragraph_from_h6.html" since these test scripts use similar test sample,
for improving code health.

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

[yosin_UTC9, 2016-09-13 09:29:03]

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

[commit-bot: I haz the power, 2016-09-13 09:29:18]

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, 2016-09-13 10:40:28]

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

[commit-bot: I haz the power, 2016-09-13 10:40:29]

Dry run: This issue passed the CQ dry run.

[yosin_UTC9, 2016-09-14 02:07:57]

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

[yosin_UTC9, 2016-09-14 02:07:58]

PTAL

[Xiaocheng, 2016-09-14 06:30:27]

lgtm

[yosin_UTC9, 2016-09-14 06:59:46]

The CQ bit was checked by yosin@chromium.org

[commit-bot: I haz the power, 2016-09-14 06:59:59]

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, 2016-09-14 07:04:53]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2016-09-14 07:06:17]

Description was changed from

==========
Convert editing/deleting/merge-paragraph-from-h6*.html to use w3c test harness

This patch converts "editing/deleting/merge-paragraph-from-h6*.html" to use w3c
test harness to simplify test script, and consolidates into
"merge_paragraph_from_h6.html" since these test scripts use similar test sample,
for improving code health.

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

to

==========
Convert editing/deleting/merge-paragraph-from-h6*.html to use w3c test harness

This patch converts "editing/deleting/merge-paragraph-from-h6*.html" to use w3c
test harness to simplify test script, and consolidates into
"merge_paragraph_from_h6.html" since these test scripts use similar test sample,
for improving code health.

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

Committed: https://crrev.com/4279cdda650058bbf7b82ddf6448927a532b1c76
Cr-Commit-Position: refs/heads/master@{#418501}
==========

[commit-bot: I haz the power, 2016-09-14 07:06:18]

Patchset 1 (id:??) landed as
https://crrev.com/4279cdda650058bbf7b82ddf6448927a532b1c76
Cr-Commit-Position: refs/heads/master@{#418501}