Convert editing/pasteboard/displaced-{,generic-}placeholder.html.html to use w3c test harness

Convert editing/pasteboard/displaced-{,generic-}placeholder.html.html to use w3c test harness

This patch converts "editing/pasteboard/displaced-{,generic-}placeholder.html"
to use w3c test harness to simplify test script, and consolidates into
"editing/inserting/insert_and_placeholder.html" since these test scripts
verifies "insertHTML" command with similar test sample, for improving code
health.

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

Committed: https://crrev.com/581331a1cbcd63d67bed571b7093a0861847fd32
Cr-Commit-Position: refs/heads/master@{#419131}

[yosin_UTC9, 2016-09-15 09:53:46]

Description was changed from

==========
2016-09-15T18:48:33

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

to

==========
Convert editing/pasteboard/displaced-{,generic-}placeholder.html.html to use w3c
test harness

This patch converts "editing/pasteboard/displaced-{,generic-}placeholder.html"
to use w3c test harness to simplify test script, and consolidates into
"editing/inserting/insert_and_placeholder.html" since these test scripts
verifies "insertHTML" command with similar test sample, for improving code
health.

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

[yosin_UTC9, 2016-09-15 09:53:51]

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

[commit-bot: I haz the power, 2016-09-15 09:54:13]

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, 2016-09-15 10:57:40]

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

[commit-bot: I haz the power, 2016-09-15 10:57:47]

Dry run: This issue passed the CQ dry run.

[yosin_UTC9, 2016-09-16 05:57:18]

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

[yosin_UTC9, 2016-09-16 05:57:19]

PTAL

[Xiaocheng, 2016-09-16 06:54:01]

lgtm

[yosin_UTC9, 2016-09-16 08:28:29]

The CQ bit was checked by yosin@chromium.org

[commit-bot: I haz the power, 2016-09-16 08:28:35]

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, 2016-09-16 08:33:34]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2016-09-16 08:37:06]

Description was changed from

==========
Convert editing/pasteboard/displaced-{,generic-}placeholder.html.html to use w3c
test harness

This patch converts "editing/pasteboard/displaced-{,generic-}placeholder.html"
to use w3c test harness to simplify test script, and consolidates into
"editing/inserting/insert_and_placeholder.html" since these test scripts
verifies "insertHTML" command with similar test sample, for improving code
health.

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

to

==========
Convert editing/pasteboard/displaced-{,generic-}placeholder.html.html to use w3c
test harness

This patch converts "editing/pasteboard/displaced-{,generic-}placeholder.html"
to use w3c test harness to simplify test script, and consolidates into
"editing/inserting/insert_and_placeholder.html" since these test scripts
verifies "insertHTML" command with similar test sample, for improving code
health.

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

Committed: https://crrev.com/581331a1cbcd63d67bed571b7093a0861847fd32
Cr-Commit-Position: refs/heads/master@{#419131}
==========

[commit-bot: I haz the power, 2016-09-16 08:37:07]

Patchset 1 (id:??) landed as
https://crrev.com/581331a1cbcd63d67bed571b7093a0861847fd32
Cr-Commit-Position: refs/heads/master@{#419131}