bindings: Fixes battery-status test (attributes are not own properties).

bindings: Fixes battery-status test (attributes are not own properties).

The current battery-status/api-defined.html assumes that the attributes
are own properties, which is wrong.  Removes wrong assumptions.

The test still tests the existence of the attributes by using
expressions in the form of
    "attribute" in battery

BUG=43394
Committed: https://src.chromium.org/viewvc/blink?view=rev&revision=190342

[Yuki, 2015-02-17 10:19:03]

yukishiino@chromium.org changed reviewers:
+ haraken@chromium.org, jsbell@chromium.org

[Yuki, 2015-02-17 10:19:04]

Could you guys review this CL?

[timvolodine, 2015-02-17 10:37:59]

On 2015/02/17 10:19:04, Yuki wrote:
> Could you guys review this CL?

Hi Yuki, why is this wrong? is this not similar to what we have e.g. in
window-property.html for 'ondeviceorientation'?

[Yuki, 2015-02-17 10:48:42]

On 2015/02/17 10:37:59, timvolodine wrote:
> On 2015/02/17 10:19:04, Yuki wrote:
> > Could you guys review this CL?
> 
> Hi Yuki, why is this wrong? is this not similar to what we have e.g. in
> window-property.html for 'ondeviceorientation'?

We're going to move DOM attributes to prototype chains according to the spec.
After that, DOM attributes will no longer be own properties.

For other similar tests, we'll work on them, too.

[haraken, 2015-02-17 10:55:49]

LGTM

[jsbell, 2015-02-17 18:12:35]

lgtm

[jsbell, 2015-02-17 18:12:48]

The CQ bit was checked by jsbell@chromium.org

[commit-bot: I haz the power, 2015-02-17 18:14:59]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/931783002/1

[commit-bot: I haz the power, 2015-02-17 18:21:19]

Committed patchset #1 (id:1) as
https://src.chromium.org/viewvc/blink?view=rev&revision=190342