REGRESSION: r149001 made proximity test fail.

https://bugs.webkit.org/show_bug.cgi?id=117343

Reviewed by Christophe Dumez.

Update window-property.html test cases for Device Proximity Event.
The global constructors are no longer enumerable after r149001.

* proximity/window-property-expected.txt:
* proximity/window-property.html:


git-svn-id: http://svn.webkit.org/repository/webkit/trunk@151317 268f45cc-cd09-0410-ab3c-d52691b4dbfc