Improve accessibility test for input type=password

Improve accessibility test for input type=password

Test that we're exposing the cursor position correctly
and that the value is replaced with bullets.

Depends on: https://codereview.chromium.org/1009543009/

BUG=84250
Committed: https://crrev.com/7258e96e6072a99370ea4061e827f944dd48dcbb
Cr-Commit-Position: refs/heads/master@{#326759}

[dmazzoni, 2015-03-18 21:29:15]

dmazzoni@chromium.org changed reviewers:
+ aboxhall@chromium.org

[aboxhall, 2015-03-18 21:32:20]

lgtm

[dmazzoni, 2015-03-24 05:09:46]

The CQ bit was checked by dmazzoni@chromium.org

[dmazzoni, 2015-03-24 05:09:46]

The patchset sent to the CQ was uploaded after l-g-t-m from
aboxhall@chromium.org
Link to the patchset: https://codereview.chromium.org/1019633003/#ps20001
(title: "Re-enabled test")

[commit-bot: I haz the power, 2015-03-24 05:10:05]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1019633003/20001

[commit-bot: I haz the power, 2015-03-24 06:18:16]

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

[commit-bot: I haz the power, 2015-03-24 06:18:17]

Try jobs failed on following builders:
  win8_chromium_rel on tryserver.chromium.win (JOB_FAILED,
http://build.chromium.org/p/tryserver.chromium.win/builders/win8_chromium_rel...)

[dmazzoni, 2015-04-17 21:45:09]

The CQ bit was checked by dmazzoni@chromium.org

[dmazzoni, 2015-04-17 21:45:09]

The patchset sent to the CQ was uploaded after l-g-t-m from
aboxhall@chromium.org
Link to the patchset: https://codereview.chromium.org/1019633003/#ps40001
(title: "Update expectation")

[commit-bot: I haz the power, 2015-04-17 21:45:30]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1019633003/40001

[commit-bot: I haz the power, 2015-04-17 21:54:05]

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

[commit-bot: I haz the power, 2015-04-17 21:54:06]

Try jobs failed on following builders:
  ios_rel_device_ninja on tryserver.chromium.mac (JOB_FAILED,
http://build.chromium.org/p/tryserver.chromium.mac/builders/ios_rel_device_ni...)

[dmazzoni, 2015-04-23 22:39:16]

The CQ bit was checked by dmazzoni@chromium.org

[dmazzoni, 2015-04-23 22:39:16]

The patchset sent to the CQ was uploaded after l-g-t-m from
aboxhall@chromium.org
Link to the patchset: https://codereview.chromium.org/1019633003/#ps60001
(title: "Fix test output filter")

[commit-bot: I haz the power, 2015-04-23 22:40:14]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1019633003/60001

[commit-bot: I haz the power, 2015-04-24 01:02:53]

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

[commit-bot: I haz the power, 2015-04-24 01:02:54]

Try jobs failed on following builders:
  mac_chromium_rel_ng on tryserver.chromium.mac (JOB_FAILED,
http://build.chromium.org/p/tryserver.chromium.mac/builders/mac_chromium_rel_...)

[dmazzoni, 2015-04-24 06:40:22]

The CQ bit was checked by dmazzoni@chromium.org

[dmazzoni, 2015-04-24 06:40:22]

The patchset sent to the CQ was uploaded after l-g-t-m from
aboxhall@chromium.org
Link to the patchset: https://codereview.chromium.org/1019633003/#ps80001
(title: "Update Mac and Android expectations too")

[commit-bot: I haz the power, 2015-04-24 06:40:29]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1019633003/80001

[commit-bot: I haz the power, 2015-04-24 08:31:30]

Committed patchset #5 (id:80001)

[commit-bot: I haz the power, 2015-04-24 08:32:24]

Patchset 5 (id:??) landed as
https://crrev.com/7258e96e6072a99370ea4061e827f944dd48dcbb
Cr-Commit-Position: refs/heads/master@{#326759}