Added layout test for aria-orientation and cleaned up code. Also exposed hr element with an orienta…

Source/modules/accessibility/AXLayoutObject.cpp

 /*
 * Copyright (C) 2008 Apple Inc. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * 1.  Redistributions of source code must retain the above copyright
 *     notice, this list of conditions and the following disclaimer.
 * 2.  Redistributions in binary form must reproduce the above copyright
@@ skipping 824 matching lines @@
     if (!m_layoutObject)
         return AXNodeObject::fontSize();
 
     const ComputedStyle* style = m_layoutObject->style();
     if (!style)
         return AXNodeObject::fontSize();
 
     return style->computedFontSize();
 }
 
-AccessibilityOrientation AXLayoutObject::orientation() const
-{
-    const AtomicString& ariaOrientation = getAttribute(aria_orientationAttr);
-    AccessibilityOrientation axorientation = AccessibilityOrientationUndefined;
-
-    // For TreeGridRole, roleValue() can't be compared because its overridden
-    // in AXTable::roleValue()
-    if (ariaRoleAttribute() == TreeGridRole) {
-        if (equalIgnoringCase(ariaOrientation, "horizontal"))
-            axorientation = AccessibilityOrientationHorizontal;
-        if (equalIgnoringCase(ariaOrientation, "vertical"))
-            axorientation = AccessibilityOrientationVertical;
-        return axorientation;
-    }
-
-    switch (roleValue()) {
-    case ComboBoxRole:
-    case ListBoxRole:
-    case MenuRole:
-    case ScrollBarRole:
-    case TreeRole:
-        axorientation = AccessibilityOrientationVertical;
-        break;
-    case MenuBarRole:
-    case SliderRole:
-    case SplitterRole:
-    case TabListRole:
-    case ToolbarRole:
-        axorientation = AccessibilityOrientationHorizontal;
-        break;
-    case RadioGroupRole:
-        break;
-    default:
-        return AXObject::orientation();
-    }
-
-    if (equalIgnoringCase(ariaOrientation, "horizontal"))
-        axorientation = AccessibilityOrientationHorizontal;
-    if (equalIgnoringCase(ariaOrientation, "vertical"))
-        axorientation = AccessibilityOrientationVertical;
-    return axorientation;
-}
-
 String AXLayoutObject::text() const
 {
     if (isPasswordFieldAndShouldHideValue()) {
         if (!m_layoutObject)
             return String();
 
         const ComputedStyle* style = m_layoutObject->style();
         if (!style)
             return String();
 
@@ skipping 1761 matching lines @@
         if (label && label->layoutObject()) {
             LayoutRect labelRect = axObjectCache().getOrCreate(label)->elementRect();
             result.unite(labelRect);
         }
     }
 
     return result;
 }
 
 } // namespace blink