Clean up unused AX APIs.

Source/modules/accessibility/AXNodeObject.cpp

 /*
 * Copyright (C) 2012, Google 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 1458 matching lines @@
     if (isTextControl())
         return text();
 
     // FIXME: We might need to implement a value here for more types
     // FIXME: It would be better not to advertise a value at all for the types for which we don't implement one;
     // this would require subclassing or making accessibilityAttributeNames do something other than return a
     // single static array.
     return String();
 }
 
-
-const AtomicString& AXNodeObject::textInputType() const
-{
-    Node* node = this->node();
-    if (!isHTMLInputElement(node))
-        return nullAtom;
-
-    HTMLInputElement& input = toHTMLInputElement(*node);
-    if (input.isTextField())
-        return input.type();
-    return nullAtom;
-}
-
 String AXNodeObject::ariaDescribedByAttribute() const
 {
     WillBeHeapVector<RawPtrWillBeMember<Element>> elements;
     elementsFromAttribute(elements, aria_describedbyAttr);
 
     return accessibilityDescriptionForElements(elements);
 }
 
-const AtomicString& AXNodeObject::ariaDropEffect() const
-{
-    return getAttribute(aria_dropeffectAttr);
-}
-
 String AXNodeObject::ariaLabeledByAttribute() const
 {
     WillBeHeapVector<RawPtrWillBeMember<Element>> elements;
     ariaLabeledByElements(elements);
 
     return accessibilityDescriptionForElements(elements);
 }
 
 AccessibilityRole AXNodeObject::ariaRoleAttribute() const
 {
     return m_ariaRole;
 }
 
-AccessibilityOptionalBool AXNodeObject::isAriaGrabbed() const
-{
-    const AtomicString& grabbed = getAttribute(aria_grabbedAttr);
-    if (equalIgnoringCase(grabbed, "true"))
-        return OptionalBoolTrue;
-    if (equalIgnoringCase(grabbed, "false"))
-        return OptionalBoolFalse;
-
-    return OptionalBoolUndefined;
-}
-
 // When building the textUnderElement for an object, determine whether or not
 // we should include the inner text of this given descendant object or skip it.
 static bool shouldUseAccessibilityObjectInnerText(AXObject* obj)
 {
     // Consider this hypothetical example:
     // <div tabindex=0>
     //   <h2>
     //     Table of contents
     //   </h2>
     //   <a href="#start">Jump to start of book</a>
@@ skipping 846 matching lines @@
         ariaLabeledByElements(elements);
 
         for (const auto& element : elements) {
             RefPtr<AXObject> axElement = axObjectCache()->getOrCreate(element);
             textOrder.append(AccessibilityText(ariaLabeledBy, AlternativeText, axElement));
         }
     }
 }
 
 } // namespace blink