Introduce isHTMLHtmlElement and toHTMLHtmlElement

Source/core/accessibility/AccessibilityRenderObject.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 21 matching lines @@
 #include "core/accessibility/AXObjectCache.h"
 #include "core/accessibility/AccessibilityImageMapLink.h"
 #include "core/accessibility/AccessibilitySVGRoot.h"
 #include "core/accessibility/AccessibilitySpinButton.h"
 #include "core/accessibility/AccessibilityTable.h"
 #include "core/dom/NodeTraversal.h"
 #include "core/editing/FrameSelection.h"
 #include "core/editing/RenderedPosition.h"
 #include "core/editing/VisibleUnits.h"
 #include "core/editing/htmlediting.h"
+#include "core/html/HTMLHtmlElement.h"
 #include "core/html/HTMLImageElement.h"
 #include "core/html/HTMLLabelElement.h"
 #include "core/html/HTMLOptionElement.h"
 #include "core/html/HTMLSelectElement.h"
 #include "core/html/HTMLTextAreaElement.h"
 #include "core/loader/ProgressTracker.h"
 #include "core/page/Page.h"
 #include "core/platform/LocalizedStrings.h"
 #include "core/rendering/HitTestResult.h"
 #include "core/rendering/RenderFieldset.h"
@@ skipping 373 matching lines @@
     if (node && node->hasTagName(asideTag))
         return LandmarkComplementaryRole;
 
     if (node && node->hasTagName(sectionTag))
         return DocumentRegionRole;
 
     if (node && node->hasTagName(addressTag))
         return LandmarkContentInfoRole;
 
     // The HTML element should not be exposed as an element. That's what the RenderView element does.
-    if (node && node->hasTagName(htmlTag))
+    if (node && isHTMLHtmlElement(node))
         return IgnoredRole;
 
     // There should only be one banner/contentInfo per page. If header/footer are being used within an article or section
     // then it should not be exposed as whole page's banner/contentInfo
     if (node && node->hasTagName(headerTag) && !isDescendantOfElementType(articleTag) && !isDescendantOfElementType(sectionTag))
         return LandmarkBannerRole;
     if (node && node->hasTagName(footerTag) && !isDescendantOfElementType(articleTag) && !isDescendantOfElementType(sectionTag))
         return FooterRole;
 
     if (m_renderer->isBlockFlow())
@@ skipping 2066 matching lines @@
         if (label && label->renderer()) {
             LayoutRect labelRect = axObjectCache()->getOrCreate(label)->elementRect();
             result.unite(labelRect);
         }
     }
 
     return result;
 }
 
 } // namespace WebCore