[AX][ATK] AccessibilityObject representing ProgressBar element should be ATK_VALUE...

[AX][ATK] AccessibilityObject representing ProgressBar element should be ATK_VALUE type
https://bugs.webkit.org/show_bug.cgi?id=121023

Patch by Krzysztof Czech <k.czech@samsung.com> on 2013-09-09
Reviewed by Mario Sanchez Prada.

Source/WebCore:

Test: accessibility/progressbar.html

ProgressBar element should support ATK_VALUE interface.

* accessibility/atk/WebKitAccessibleWrapperAtk.cpp:
(getInterfaceMaskFromObject):

Tools:

Added mappings to ATK's ProgressBar element.

* DumpRenderTree/atk/AccessibilityUIElementAtk.cpp:
(roleToString):
* WebKitTestRunner/InjectedBundle/atk/AccessibilityUIElementAtk.cpp:
(WTR::roleToString):

LayoutTests:

Sharing progressbar.html specific mac test with efl and gtk.

* accessibility/progressbar-expected.txt: Renamed from LayoutTests/platform/mac/accessibility/progressbar-expected.txt.
* accessibility/progressbar.html: Renamed from LayoutTests/platform/mac/accessibility/progressbar.html.

git-svn-id: https://svn.webkit.org/repository/webkit/trunk@155337 268f45cc-cd09-0410-ab3c-d52691b4dbfc