Add missing id/name check over img-based RadioNodeLists.

Add missing id/name check over img-based RadioNodeLists.

For named lookups on forms, the spec tells us (step 2)

 http://www.whatwg.org/specs/web-apps/current-work/#dom-form-nameditem

that the RadioNodeList returned for the <img> only case should be
constrained to only those matching the given name/id.

R=
BUG=387312
Committed: https://src.chromium.org/viewvc/blink?view=rev&revision=178721

[sof, 2014-07-22 14:00:53]

Please take a look.

I completely failed to grasp how these collections are filtered; my bad.

[tkent, 2014-07-22 23:15:10]

lgtm

[commit-bot: I haz the power, 2014-07-22 23:17:43]

CQ is trying da patch. Follow status at
 https://chromium-status.appspot.com/cq/sigbjornf@opera.com/405383003/1

[commit-bot: I haz the power, 2014-07-23 00:40:39]

FYI, CQ is re-trying this CL (attempt #1).
The failing builders are:
  mac_gpu_retina_triggered_tests on tryserver.chromium.gpu
(http://build.chromium.org/p/tryserver.chromium.gpu/builders/mac_gpu_retina_tr...)

[commit-bot: I haz the power, 2014-07-23 01:01:05]

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

[commit-bot: I haz the power, 2014-07-23 01:01:06]

Try jobs failed on following builders:
  mac_gpu_retina_triggered_tests on tryserver.chromium.gpu
(http://build.chromium.org/p/tryserver.chromium.gpu/builders/mac_gpu_retina_tr...)

[tkent, 2014-07-23 01:01:37]

The CQ bit was checked by tkent@chromium.org

[commit-bot: I haz the power, 2014-07-23 01:02:37]

CQ is trying da patch. Follow status at
 https://chromium-status.appspot.com/cq/sigbjornf@opera.com/405383003/1

[commit-bot: I haz the power, 2014-07-23 02:23:17]

Change committed as 178721