HTML Meter tag should have MSAA+IA2 as ROLE_SYSTEM_PROGRESSBAR.

HTML Meter tag should have MSAA+IA2 as ROLE_SYSTEM_PROGRESSBAR.

According to latest editor's draft http://rawgit.com/w3c/html-api-map/master/index.html
meter tag should have MSAA+IA2 Role as ROLE_SYSTEM_PROGRESSBAR.
And for mac, the AX Mappings should be copy of ARIA role progressbar.

This CL depends on https://codereview.chromium.org/652663003/

This CL also takes care of small fixes related with details tag and div tag.

BUG=421376
Committed: https://crrev.com/e85a773cf9ea6d1ea8aac225a1c265ec58e8ef74
Cr-Commit-Position: refs/heads/master@{#299944}

[shreeramk, 2014-10-16 08:46:10]

shreeram.k@samsung.com changed reviewers:
+ aboxhall@chromium.org, dmazzoni@chromium.org

[shreeramk, 2014-10-16 08:46:11]

Please review.

Thanks :)

[shreeramk, 2014-10-16 08:48:15]

shreeram.k@samsung.com changed reviewers:
+ kalman@chromium.org

[dmazzoni, 2014-10-16 17:06:47]

The CQ bit was checked by dmazzoni@chromium.org

[dmazzoni, 2014-10-16 17:06:47]

lgtm

[commit-bot: I haz the power, 2014-10-16 17:08:18]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/657513002/1

[not at google - send to devlin, 2014-10-16 17:09:21]

lgtm

[commit-bot: I haz the power, 2014-10-16 18:49:42]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2014-10-16 18:50:33]

Patchset 1 (id:??) landed as
https://crrev.com/e85a773cf9ea6d1ea8aac225a1c265ec58e8ef74
Cr-Commit-Position: refs/heads/master@{#299944}