Remove more dead code from accessibility/ folder

Source/core/accessibility/AXObject.h

 /*
  * Copyright (C) 2008, 2009, 2011 Apple Inc. All rights reserved.
  * Copyright (C) 2008 Nuanti Ltd.
  *
  * 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.
@@ skipping 363 matching lines @@
     virtual bool isRequired() const { return false; }
     virtual bool isSelected() const { return false; }
     virtual bool isSelectedOptionActive() const { return false; }
     virtual bool isVisible() const { return true; }
     virtual bool isVisited() const { return false; }
 
     // Check whether certain properties can be modified.
     virtual bool canSetFocusAttribute() const { return false; }
     virtual bool canSetValueAttribute() const { return false; }
     virtual bool canSetSelectedAttribute() const { return false; }
-    virtual bool canSetSelectedChildrenAttribute() const { return false; }
 
     // Whether objects are ignored, i.e. not included in the tree.
     bool accessibilityIsIgnored() const;
     bool accessibilityIsIgnoredByDefault() const;
     AXObjectInclusion accessibilityPlatformIncludesObject() const;
     virtual AXObjectInclusion defaultObjectInclusion() const;
     bool isInertOrAriaHidden() const;
     bool lastKnownIsIgnoredValue();
     void setLastKnownIsIgnoredValue(bool);
 
     // Properties of static elements.
     virtual const AtomicString& accessKey() const { return nullAtom; }
     virtual bool canvasHasFallbackContent() const { return false; }
     virtual bool exposesTitleUIElement() const { return true; }
     virtual int headingLevel() const { return 0; }
     // 1-based, to match the aria-level spec.
     virtual unsigned hierarchicalLevel() const { return 0; }
     virtual AccessibilityOrientation orientation() const;
-    virtual int tableLevel() const { return 0; }
     virtual String text() const { return String(); }
     virtual int textLength() const { return 0; }
     virtual AXObject* titleUIElement() const { return 0; }
     virtual KURL url() const { return KURL(); }
 
     // For an inline text box.
     virtual AccessibilityTextDirection textDirection() const { return AccessibilityTextDirectionLeftToRight; }
     // The integer horizontal pixel offset of each character in the string; negative values for RTL.
     virtual void textCharacterOffsets(Vector<int>&) const { }
     // The start and end character offset of each word in the inline text box.
     virtual void wordBoundaries(Vector<PlainTextRange>& words) const { }
 
     // Properties of interactive elements.
     virtual String actionVerb() const;
     virtual AccessibilityButtonState checkboxOrRadioValue() const;
     virtual void colorValue(int& r, int& g, int& b) const { r = 0; g = 0; b = 0; }
     virtual String valueDescription() const { return String(); }
     virtual float valueForRange() const { return 0.0f; }
     virtual float maxValueForRange() const { return 0.0f; }
     virtual float minValueForRange() const { return 0.0f; }
-    virtual void selectedChildren(AccessibilityChildrenVector&) { }
     virtual String stringValue() const { return String(); }
 
     // ARIA attributes.
     virtual AXObject* activeDescendant() const { return 0; }
     virtual String ariaDescribedByAttribute() const { return String(); }
     virtual void ariaFlowToElements(AccessibilityChildrenVector&) const { }
     virtual void ariaControlsElements(AccessibilityChildrenVector&) const { }
     virtual void ariaDescribedbyElements(AccessibilityChildrenVector& describedby) const { };
     virtual void ariaLabelledbyElements(AccessibilityChildrenVector& labelledby) const { };
     virtual void ariaOwnsElements(AccessibilityChildrenVector& owns) const { };
     virtual bool ariaHasPopup() const { return false; }
     bool ariaIsMultiline() const;
     virtual String ariaLabeledByAttribute() const { return String(); }
     bool ariaPressedIsPresent() const;
     virtual AccessibilityRole ariaRoleAttribute() const { return UnknownRole; }
     virtual bool ariaRoleHasPresentationalChildren() const { return false; }
-    const AtomicString& invalidStatus() const;
     virtual bool isARIAGrabbed() { return false; }
     virtual bool isPresentationalChildOfAriaRole() const { return false; }
     virtual bool shouldFocusActiveDescendant() const { return false; }
     bool supportsARIAAttributes() const;
     virtual bool supportsARIADragging() const { return false; }
     virtual bool supportsARIADropping() const { return false; }
     virtual bool supportsARIAFlowTo() const { return false; }
     virtual bool supportsARIAOwns() const { return false; }
     bool supportsRangeValue() const;
 
@@ skipping 128 matching lines @@
 
     bool m_detached;
 };
 
 #define DEFINE_AX_OBJECT_TYPE_CASTS(thisType, predicate) \
     DEFINE_TYPE_CASTS(thisType, AXObject, object, object->predicate, object.predicate)
 
 } // namespace WebCore
 
 #endif // AXObject_h