Reviewed by Darin Adler.

Source/WebCore: 

Expose the AXLanguage attribute for all objects.

* accessibility/mac/WebAccessibilityObjectWrapperMac.mm:
(-[WebAccessibilityObjectWrapper accessibilityAttributeNames]):

LayoutTests: 

* accessibility/transformed-element-expected.txt:
* platform/mac/accessibility/aria-columnrowheaders-expected.txt:
* platform/mac/accessibility/bounds-for-range-expected.txt:
* platform/mac/accessibility/document-attributes-expected.txt:
* platform/mac/accessibility/document-links-expected.txt:
* platform/mac/accessibility/image-link-expected.txt:
* platform/mac/accessibility/image-map2-expected.txt:
* platform/mac/accessibility/internal-link-anchors-expected.txt:
* platform/mac/accessibility/internal-link-anchors2-expected.txt:
* platform/mac/accessibility/lists-expected.txt:
* platform/mac/accessibility/plugin-expected.txt:
* platform/mac/accessibility/radio-button-group-members-expected.txt:
* platform/mac/accessibility/table-attributes-expected.txt:
* platform/mac/accessibility/table-cell-spans-expected.txt:
* platform/mac/accessibility/table-cells-expected.txt:
* platform/mac/accessibility/table-detection-expected.txt:
* platform/mac/accessibility/table-one-cell-expected.txt:
* platform/mac/accessibility/table-sections-expected.txt:
* platform/mac/accessibility/table-with-aria-role-expected.txt:
* platform/mac/accessibility/table-with-rules-expected.txt:



git-svn-id: http://svn.webkit.org/repository/webkit/trunk@154283 268f45cc-cd09-0410-ab3c-d52691b4dbfc