Added supporting code for Blink layout tests for isContentRichlyEditable.

Added supporting code for Blink layout tests for isContentRichlyEditable.

Related to issue 1156353003.
BUG=491027
R=dmazzoni

Committed: https://crrev.com/f57a948e0db39e4301676d45646800c770c9fc56
Cr-Commit-Position: refs/heads/master@{#333614}

[dmazzoni, 2015-06-04 03:37:52]

lgtm

FYI: test_runner just moved to a new directory today - git rebase should figure
it out, but be sure to rebase and manually double-check before landing this
change.

[dmazzoni, 2015-06-04 03:38:31]

I'd slightly prefer isRichlyEditable but I don't care too strongly either way.
Make it consistent whatever you do.

[chromium-reviews, 2015-06-04 19:14:08]

Renamed to isRichlyEditable.

To unsubscribe from this group and stop receiving emails from it, send an email
to chromium-reviews+unsubscribe@chromium.org.

[nektarios, 2015-06-09 21:34:19]

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

[nektarios, 2015-06-09 21:34:20]

The patchset sent to the CQ was uploaded after l-g-t-m from
dmazzoni@chromium.org
Link to the patchset: https://codereview.chromium.org/1162333003/#ps40001
(title: "Renamed isContentRichlyEditable to isRichlyEditable.")

[commit-bot: I haz the power, 2015-06-09 21:37:01]

Dry run: CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1162333003/40001

[commit-bot: I haz the power, 2015-06-09 22:44:16]

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

[commit-bot: I haz the power, 2015-06-09 22:44:18]

Dry run: This issue passed the CQ dry run.

[nektarios, 2015-06-09 23:52:36]

The CQ bit was checked by nektar@chromium.org

[commit-bot: I haz the power, 2015-06-09 23:54:19]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1162333003/40001

[commit-bot: I haz the power, 2015-06-10 00:00:50]

Committed patchset #3 (id:40001)

[commit-bot: I haz the power, 2015-06-10 00:01:49]

Patchset 3 (id:??) landed as
https://crrev.com/f57a948e0db39e4301676d45646800c770c9fc56
Cr-Commit-Position: refs/heads/master@{#333614}