crosswalk-project/crosswalk — pull request #2655 by yejingfu (2014-11-26 02:21:31+00:00)
Title: [Tizen] Fix widget namespace value validation.

According to widget W3C spec (http://www.w3.org/TR/widgets/#namespace), the namespace cannot be absent or invalid.
If namespace is absent or wrong, the widget should be treated as invalid package and installation should be failed.

BUG=XWALK-2978