Reviewed by Gustavo Noronha Silva.

        https://bugs.webkit.org/show_bug.cgi?id=30997
        [Gtk] Implemment AtkDocument

        Added testing support for AtkDocument implementation.

        * accessibility/document-attributes.html: Added.
        * accessibility/document-attributes-expected.txt: Added.
        * platform/mac/Skipped:
        * platform/win/Skipped:
2009-11-12  Joanmarie Diggs  <joanmarie.diggs@gmail.com>

        Reviewed by Gustavo Noronha Silva.

        https://bugs.webkit.org/show_bug.cgi?id=30997
        [Gtk] Implemment AtkDocument

        Added testing support.

        * DumpRenderTree/AccessibilityUIElement.cpp:
        * DumpRenderTree/AccessibilityUIElement.h:
        (getDocumentEncodingCallback):
        (getDocumentURICallback):
        (AccessibilityUIElement::getJSClass):
        * DumpRenderTree/gtk/AccessibilityUIElementGtk.cpp:
        * DumpRenderTree/mac/AccessibilityUIElementMac.mm:
        * DumpRenderTree/win/AccessibilityUIElementWin.cpp:
        (AccessibilityUIElement::documentEncoding):
        (AccessibilityUIElement::documentURI):

git-svn-id: http://svn.webkit.org/repository/webkit/trunk@50921 268f45cc-cd09-0410-ab3c-d52691b4dbfc