https://bugs.webkit.org/show_bug.cgi?id=122564

Reviewed by Brent Fulgham.

Source/WebCore: 

Test: platform/mac/accessibility/native-list-item-should-not-expose-label.html

* accessibility/AccessibilityNodeObject.cpp:
(WebCore::AccessibilityNodeObject::visibleText):

LayoutTests: 

Make a mac specific expectation for listitem-title on Mac.
Make a more directed test for Mac regarding listitem labeling.

* platform/mac/accessibility/lists-expected.txt:
* platform/mac/accessibility/listitem-title-expected.txt: Added.
* platform/mac/accessibility/native-list-item-should-not-expose-label-expected.txt: Added.
* platform/mac/accessibility/native-list-item-should-not-expose-label.html: Added.



git-svn-id: http://svn.webkit.org/repository/webkit/trunk@157183 268f45cc-cd09-0410-ab3c-d52691b4dbfc