Fix MSAA+IA2 & AX for <header> tag and banner role

Fix MSAA+IA2 & AX for <header> tag and banner role

According to latest editor's draft http://rawgit.com/w3c/html-api-map/master/index.html
and http://www.w3.org/WAI/PF/aria-implementation/

It should be exposed as below when header is not contained by article or section elements

MSAA+IA2
Role: IA2_ROLE_HEADER
Object attributes: xml-roles:banner

AX
AXRole: AXGroup
AXSubrole: AXLandmarkBanner
AXRoleDescription: "banner"

BUG=282262
Committed: https://crrev.com/91345e19938b191ee3afc14cf6656b9ba8edd330
Cr-Commit-Position: refs/heads/master@{#300411}

[shreeramk, 2014-10-17 08:32:43]

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

[shreeramk, 2014-10-17 08:32:44]

Please review.

Thanks :)

[shreeramk, 2014-10-17 13:26:50]

shreeram.k@samsung.com changed reviewers:
+ aboxhall@chromium.org, agl@chromium.org
- jam@chromium.org

[dmazzoni, 2014-10-17 17:01:37]

lgtm

https://codereview.chromium.org/656293002/diff/40001/content/app/strings/cont...
File content/app/strings/content_strings.grd (right):

https://codereview.chromium.org/656293002/diff/40001/content/app/strings/cont...
content/app/strings/content_strings.grd:338: <message name="IDS_AX_ROLE_BANNER"
desc="accessibility role description for header">
same - desc should be "accessibility role description for banner"

[shreeramk, 2014-10-20 16:06:57]

The CQ bit was checked by shreeram.k@samsung.com

[commit-bot: I haz the power, 2014-10-20 16:07:24]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/656293002/60001

[commit-bot: I haz the power, 2014-10-20 16:14:42]

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

[commit-bot: I haz the power, 2014-10-20 16:14:43]

Try jobs failed on following builders:
  chromium_presubmit on tryserver.chromium.linux
(http://build.chromium.org/p/tryserver.chromium.linux/builders/chromium_presub...)

[shreeramk, 2014-10-20 17:48:48]

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

[shreeramk, 2014-10-20 17:48:48]

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

[shreeramk, 2014-10-20 17:50:01]

On 2014/10/20 16:14:43, I haz the power (commit-bot) wrote:
> Try jobs failed on following builders:
>   chromium_presubmit on tryserver.chromium.linux
>
(http://build.chromium.org/p/tryserver.chromium.linux/builders/chromium_presub...)

@jam: Chromium_presubmit is failing. Could you Please review changes in
content_string.grd

Thanks :)

[shreeramk, 2014-10-20 17:52:45]

shreeram.k@samsung.com changed reviewers:
- agl@chromium.org

[jam, 2014-10-20 20:10:17]

lgtm

[shreeramk, 2014-10-21 03:24:58]

The CQ bit was checked by shreeram.k@samsung.com

[commit-bot: I haz the power, 2014-10-21 03:25:21]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/656293002/60001

[commit-bot: I haz the power, 2014-10-21 03:29:28]

Committed patchset #4 (id:60001)

[commit-bot: I haz the power, 2014-10-21 03:32:45]

Patchset 4 (id:??) landed as
https://crrev.com/91345e19938b191ee3afc14cf6656b9ba8edd330
Cr-Commit-Position: refs/heads/master@{#300411}