IA2 role, xml-roles are not correct for {address, aside, nav, main}

IA2 role, xml-roles are not correct for {address, aside, nav, main}

HTML Tags address, aside, nav, main
Aria roles contentinfo, complementary, navigation

Below changes are in accordance with Latest editor's draft:

<address> should have IA2 role as IA2_ROLE_PARAGRAPH, IA role
as ROLE_SYSTEM_TEXT and it shouldn't have any xml-role.

<aside> should have IA2 role as IA2_ROLE_NOTE, IA role as
ROLE_SYSTEM_GROUPING and xml-role as complementary.

<main> should have IA2 role as IA2_ROLE_PARAGRAPH, IA role as
ROLE_SYSTEM_GROUPING and xml-role as main.

<nav> should have IA2 role as IA2_ROLE_SECTION, IA role as
ROLE_SYSTEM_GROUPING with xml-role as navigation.

BUG=169567, 169568, 281895, 417654
Committed: https://crrev.com/2a55b6034fbcc87d990d003bf2f055c8f191fb1e
Cr-Commit-Position: refs/heads/master@{#298254}

[shreeramk, 2014-10-06 07:21:40]

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

[shreeramk, 2014-10-06 07:21:41]

Please review!

Thanks.

[dmazzoni, 2014-10-06 15:34:57]

The CQ bit was checked by dmazzoni@chromium.org

[dmazzoni, 2014-10-06 15:34:58]

lgtm

[commit-bot: I haz the power, 2014-10-06 15:35:44]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/618273002/60001

[commit-bot: I haz the power, 2014-10-06 17:12:54]

Committed patchset #4 (id:60001) as c5ada7720f83ce42f61d6866ede167d98971c730

[commit-bot: I haz the power, 2014-10-06 17:13:37]

Patchset 4 (id:??) landed as
https://crrev.com/2a55b6034fbcc87d990d003bf2f055c8f191fb1e
Cr-Commit-Position: refs/heads/master@{#298254}