Introduce isHTMLAnchorElement and toHTMLAnchorElement

Source/core/accessibility/AccessibilityNodeObject.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 15 matching lines @@
 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */
 
 #include "config.h"
 #include "core/accessibility/AccessibilityNodeObject.h"
 
 #include "core/accessibility/AXObjectCache.h"
 #include "core/dom/NodeTraversal.h"
 #include "core/dom/Text.h"
 #include "core/dom/UserGestureIndicator.h"
+#include "core/html/HTMLAnchorElement.h"
 #include "core/html/HTMLFrameElementBase.h"
 #include "core/html/HTMLInputElement.h"
 #include "core/html/HTMLLabelElement.h"
 #include "core/html/HTMLSelectElement.h"
 #include "core/html/HTMLTextAreaElement.h"
 #include "wtf/text/StringBuilder.h"
 
 using namespace std;
 
 namespace WebCore {
@@ skipping 1315 matching lines @@
 {
     Node* node = this->node();
     if (!node)
         return 0;
 
     AXObjectCache* cache = axObjectCache();
 
     // search up the DOM tree for an anchor element
     // NOTE: this assumes that any non-image with an anchor is an HTMLAnchorElement
     for ( ; node; node = node->parentNode()) {
-        if (node->hasTagName(aTag) || (node->renderer() && cache->getOrCreate(node->renderer())->isAnchor()))
+        if (isHTMLAnchorElement(node) || (node->renderer() && cache->getOrCreate(node->renderer())->isAnchor()))
             return toElement(node);
     }
 
     return 0;
 }
 
 Document* AccessibilityNodeObject::document() const
 {
     if (!node())
         return 0;
@@ skipping 283 matching lines @@
         useTextUnderElement = true;
 
     if (useTextUnderElement) {
         String text = textUnderElement();
         if (!text.isEmpty())
             textOrder.append(AccessibilityText(text, ChildrenText));
     }
 }
 
 } // namespace WebCore