Remove more dead code from accessibility/ folder

Source/core/accessibility/AXRenderObject.cpp

Index: Source/core/accessibility/AXRenderObject.cpp
diff --git a/Source/core/accessibility/AXRenderObject.cpp b/Source/core/accessibility/AXRenderObject.cpp
index 78c3f2b0e55c619fc089a120c6c8b89b625fea62..ea2b81e5407e93467f1fbfe8ddb9ece83495f7d9 100644
--- a/Source/core/accessibility/AXRenderObject.cpp
+++ b/Source/core/accessibility/AXRenderObject.cpp
@@ -217,15 +217,6 @@ RenderBoxModelObject* AXRenderObject::renderBoxModelObject() const
     return toRenderBoxModelObject(m_renderer);
 }
 
-RenderView* AXRenderObject::topRenderer() const
-{
-    Document* topDoc = topDocument();
-    if (!topDoc)
-        return 0;
-
-    return topDoc->renderView();
-}
-
 Document* AXRenderObject::topDocument() const
 {
     if (!document())
@@ -860,18 +851,6 @@ String AXRenderObject::actionVerb() const
     }
 }
 
-void AXRenderObject::selectedChildren(AccessibilityChildrenVector& result)
-{
-    ASSERT(result.isEmpty());
-
-    // only listboxes should be asked for their selected children.
-    AccessibilityRole role = roleValue();
-    if (role == ListBoxRole) // native list boxes would be AXListBoxes, so only check for aria list boxes
-        ariaListboxSelectedChildren(result);
-    else if (role == TreeRole || role == TreeGridRole || role == TableRole)
-        ariaSelectedRows(result);
-}
-
 String AXRenderObject::stringValue() const
 {
     if (!m_renderer)
@@ -1928,32 +1907,6 @@ bool AXRenderObject::isTabItemSelected() const
     return false;
 }
 
-AXObject* AXRenderObject::internalLinkElement() const
-{
-    Element* element = anchorElement();
-    // Right now, we do not support ARIA links as internal link elements
-    if (!isHTMLAnchorElement(element))
-        return 0;
-    HTMLAnchorElement& anchor = toHTMLAnchorElement(*element);
-
-    KURL linkURL = anchor.href();
-    String fragmentIdentifier = linkURL.fragmentIdentifier();
-    if (fragmentIdentifier.isEmpty())
-        return 0;
-
-    // check if URL is the same as current URL
-    KURL documentURL = m_renderer->document().url();
-    if (!equalIgnoringFragmentIdentifier(documentURL, linkURL))
-        return 0;
-
-    Node* linkedNode = m_renderer->document().findAnchor(fragmentIdentifier);
-    if (!linkedNode)
-        return 0;
-
-    // The element we find may not be accessible, so find the first accessible object.
-    return firstAccessibleObjectFromNode(linkedNode);
-}
-
 AXObject* AXRenderObject::accessibilityImageMapHitTest(HTMLAreaElement* area, const IntPoint& point) const
 {
     if (!area)