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cfleizach@apple.com authored
https://bugs.webkit.org/show_bug.cgi?id=28841 Reviewed by Beth Dakin. WebCore: Allow certain ARIA roles to change value with AXIncrement and AXDecrement. Consolidate increment/decrement/changeValue methods. Test: accessibility/aria-slider-value-change.html * accessibility/AccessibilityObject.cpp: * accessibility/AccessibilityRenderObject.cpp: (WebCore::AccessibilityRenderObject::increment): (WebCore::AccessibilityRenderObject::decrement): (WebCore::AccessibilityRenderObject::changeValueByPercent): (WebCore::AccessibilityRenderObject::setValue): (WebCore::AccessibilityRenderObject::canSetFocusAttribute): * accessibility/AccessibilityRenderObject.h: * accessibility/AccessibilitySlider.cpp: * accessibility/AccessibilitySlider.h: * dom/Element.cpp: (WebCore::Element::updateAfterAttributeChanged): LayoutTests: * accessibility/aria-slider-value-change-expected.txt: Added. * accessibility/aria-slider-value-change.html: Added. git-svn-id: http://svn.webkit.org/repository/webkit/trunk@48405 268f45cc-cd09-0410-ab3c-d52691b4dbfc
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