Use new is*Element() helper functions in accessibility code

Source/core/accessibility/AXObjectCache.cpp

 /*
  * Copyright (C) 2008, 2009, 2010 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 253 matching lines @@
 }
 
 static PassRefPtr<AXObject> createFromRenderer(RenderObject* renderer)
 {
     // FIXME: How could renderer->node() ever not be an Element?
     Node* node = renderer->node();
 
     // If the node is aria role="list" or the aria role is empty and its a
     // ul/ol/dl type (it shouldn't be a list if aria says otherwise).
     if (node && ((nodeHasRole(node, "list") || nodeHasRole(node, "directory"))
-        || (nodeHasRole(node, nullAtom) && (node->hasTagName(ulTag) || node->hasTagName(olTag) || node->hasTagName(dlTag)))))
+        || (nodeHasRole(node, nullAtom) && (isHTMLUListElement(*node) || isHTMLOListElement(*node) || isHTMLDListElement(*node)))))
         return AXList::create(renderer);
 
     // aria tables
     if (nodeHasRole(node, "grid") || nodeHasRole(node, "treegrid"))
         return AXARIAGrid::create(renderer);
     if (nodeHasRole(node, "row"))
         return AXARIAGridRow::create(renderer);
     if (nodeHasRole(node, "gridcell") || nodeHasRole(node, "columnheader") || nodeHasRole(node, "rowheader"))
         return AXARIAGridCell::create(renderer);
 
@@ skipping 539 matching lines @@
         obj->notifyIfIgnoredValueChanged();
     }
 }
 
 void AXObjectCache::handleAttributeChanged(const QualifiedName& attrName, Element* element)
 {
     if (attrName == roleAttr)
         handleAriaRoleChanged(element);
     else if (attrName == altAttr || attrName == titleAttr)
         textChanged(element);
-    else if (attrName == forAttr && element->hasTagName(labelTag))
+    else if (attrName == forAttr && isHTMLLabelElement(*element))
         labelChanged(element);
 
     if (!attrName.localName().string().startsWith("aria-"))
         return;
 
     if (attrName == aria_activedescendantAttr)
         handleActiveDescendantChanged(element);
     else if (attrName == aria_valuenowAttr || attrName == aria_valuetextAttr)
         postNotification(element, AXObjectCache::AXValueChanged, true);
     else if (attrName == aria_labelAttr || attrName == aria_labeledbyAttr || attrName == aria_labelledbyAttr)
@@ skipping 68 matching lines @@
 
     if (visiblePos.isNull())
         return;
 
     Position deepPos = visiblePos.deepEquivalent();
     Node* domNode = deepPos.deprecatedNode();
     ASSERT(domNode);
     if (!domNode)
         return;
 
-    if (domNode->hasTagName(inputTag) && toHTMLInputElement(domNode)->isPasswordField())
+    if (isHTMLInputElement(*domNode) && toHTMLInputElement(*domNode).isPasswordField())
         return;
 
     // find or create an accessibility object for this node
     AXObjectCache* cache = domNode->document().axObjectCache();
     RefPtr<AXObject> obj = cache->getOrCreate(domNode);
 
     textMarkerData.axID = obj.get()->axObjectID();
     textMarkerData.node = domNode;
     textMarkerData.offset = deepPos.deprecatedEditingOffset();
     textMarkerData.affinity = visiblePos.affinity();
@@ skipping 100 matching lines @@
 {
     postPlatformNotification(getOrCreate(scrollView), AXScrollPositionChanged);
 }
 
 void AXObjectCache::handleScrollPositionChanged(RenderObject* renderObject)
 {
     postPlatformNotification(getOrCreate(renderObject), AXScrollPositionChanged);
 }
 
 } // namespace WebCore