Convert edtitng/text-iterator/first-letter-word-boundary.html with assert_selection

Convert edtitng/text-iterator/first-letter-word-boundary.html with assert_selection

This patch converts the layout test with assert_selection to improve
code health and also increase the usage of w3c testharness.

Note: Chrome's current behavior is incorrect. It will be fixed by
https://codereview.chromium.org/2541163003

BUG=n/a

Committed: https://crrev.com/cc9f99ee58de94396041d8db5f22d67044a422b6
Cr-Commit-Position: refs/heads/master@{#436224}

[Xiaocheng, 2016-12-01 10:38:48]

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

[commit-bot: I haz the power, 2016-12-01 10:39:00]

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, 2016-12-01 12:12:29]

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

[commit-bot: I haz the power, 2016-12-01 12:12:30]

Dry run: Try jobs failed on following builders:
  linux_chromium_rel_ng on master.tryserver.chromium.linux (JOB_FAILED,
http://build.chromium.org/p/tryserver.chromium.linux/builders/linux_chromium_...)

[Xiaocheng, 2016-12-05 01:16:33]

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

[commit-bot: I haz the power, 2016-12-05 01:16:42]

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, 2016-12-05 02:27:16]

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

[commit-bot: I haz the power, 2016-12-05 02:27:20]

Dry run: This issue passed the CQ dry run.

[Xiaocheng, 2016-12-05 02:29:07]

Description was changed from

==========
Convert edtitng/text-iterator/first-letter-word-boundary.html with
assert_selection

This patch converts the layout test with assert_selection to improve
code health and also increase the usage of w3c testharness.

BUG=n/a
==========

to

==========
Convert edtitng/text-iterator/first-letter-word-boundary.html with
assert_selection

This patch converts the layout test with assert_selection to improve
code health and also increase the usage of w3c testharness.

Note: Chrome's current behavior is incorrect. It will be fixed by
https://codereview.chromium.org/2541163003

BUG=n/a
==========

[Xiaocheng, 2016-12-05 02:29:16]

xiaochengh@chromium.org changed reviewers:
+ tkent@chromium.org

[Xiaocheng, 2016-12-05 02:29:17]

PTAL.

[tkent, 2016-12-05 03:13:53]

lgtm

[Xiaocheng, 2016-12-05 03:15:07]

The CQ bit was checked by xiaochengh@chromium.org

[commit-bot: I haz the power, 2016-12-05 03:15:20]

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, 2016-12-05 03:18:56]

CQ is committing da patch.

Bot data: {"patchset_id": 20001, "attempt_start_ts": 1480907707813660,
"parent_rev": "eecd4884257c65588b772e41c10404a5dc5402c1", "commit_rev":
"5cae80c173db65bde96b2a712964e1fbdd09621a"}

[commit-bot: I haz the power, 2016-12-05 03:19:37]

Committed patchset #2 (id:20001)

[commit-bot: I haz the power, 2016-12-05 03:22:01]

Description was changed from

==========
Convert edtitng/text-iterator/first-letter-word-boundary.html with
assert_selection

This patch converts the layout test with assert_selection to improve
code health and also increase the usage of w3c testharness.

Note: Chrome's current behavior is incorrect. It will be fixed by
https://codereview.chromium.org/2541163003

BUG=n/a
==========

to

==========
Convert edtitng/text-iterator/first-letter-word-boundary.html with
assert_selection

This patch converts the layout test with assert_selection to improve
code health and also increase the usage of w3c testharness.

Note: Chrome's current behavior is incorrect. It will be fixed by
https://codereview.chromium.org/2541163003

BUG=n/a

Committed: https://crrev.com/cc9f99ee58de94396041d8db5f22d67044a422b6
Cr-Commit-Position: refs/heads/master@{#436224}
==========

[commit-bot: I haz the power, 2016-12-05 03:22:01]

Patchset 2 (id:??) landed as
https://crrev.com/cc9f99ee58de94396041d8db5f22d67044a422b6
Cr-Commit-Position: refs/heads/master@{#436224}