AX: Calendar Picker: Add a test for input[type=week].

AX: Calendar Picker: Add a test for input[type=week].

This CL adds a test for Blink r182213 [1] and Chromium #295859 [2].

[1] http://src.chromium.org/viewvc/blink?view=revision&revision=182213
[2] https://crrev.com/4968e8da39022d26a07e57eef215612f21cbab10

BUG=123896
Committed: https://src.chromium.org/viewvc/blink?view=rev&revision=182548

[tkent, 2014-09-22 08:29:47]

tkent@chromium.org changed reviewers:
+ keishi@chromium.org

[tkent, 2014-09-22 08:29:47]

Please review this.

[keishi, 2014-09-24 03:03:10]

lgtm

[tkent, 2014-09-24 03:03:26]

The CQ bit was checked by tkent@chromium.org

[commit-bot: I haz the power, 2014-09-24 03:04:27]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/592003002/1

[commit-bot: I haz the power, 2014-09-24 03:09:07]

Committed patchset #1 (id:1) as 182548

[Mads Ager (chromium), 2014-09-24 06:45:10]

A revert of this CL (patchset #1 id:1) has been created in
https://codereview.chromium.org/601693002/ by ager@chromium.org.

The reason for reverting is: This test is failing consistently on the buildbots.
Reverting for now. Can you investigate and reland Kent?

http://test-results.appspot.com/dashboards/flakiness_dashboard.html#tests=fas....

[tkent, 2014-09-25 06:26:52]

On 2014/09/24 06:45:10, Mads Ager (chromium) wrote:
> A revert of this CL (patchset #1 id:1) has been created in
> https://codereview.chromium.org/601693002/ by mailto:ager@chromium.org.
> 
> The reason for reverting is: This test is failing consistently on the
buildbots.
> Reverting for now. Can you investigate and reland Kent?
> 
>
http://test-results.appspot.com/dashboards/flakiness_dashboard.html#tests=fas....

Found the root cause.  The current code works well only if ASSERT is enabled. 
Release try bots have asserts, and release waterfall bots have no asserts.