Optimize / clean up hasTagName() call sites

Source/core/accessibility/AXRenderObject.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 1973 matching lines @@
                 break;
             firstChild = newFirstChild;
             if (!firstChild->node())
                 break;
         }
     }
 
     return parent;
 }
 
-bool AXRenderObject::isDescendantOfElementType(const QualifiedName& tagName) const
+bool AXRenderObject::isDescendantOfElementType(const HTMLQualifiedName& tagName) const
 {
     for (RenderObject* parent = m_renderer->parent(); parent; parent = parent->parent()) {
         if (parent->node() && parent->node()->hasTagName(tagName))
             return true;
     }
     return false;
 }
 
 bool AXRenderObject::isSVGImage() const
 {
@@ skipping 309 matching lines @@
         if (label && label->renderer()) {
             LayoutRect labelRect = axObjectCache()->getOrCreate(label)->elementRect();
             result.unite(labelRect);
         }
     }
 
     return result;
 }
 
 } // namespace blink