Introduce isHTMLTableElement and toHTMLTableElement

Source/core/dom/Position.cpp

 /*
  * Copyright (C) 2004, 2005, 2006, 2009 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
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 17 matching lines @@
 
 #include <stdio.h>
 #include "HTMLNames.h"
 #include "core/css/CSSComputedStyleDeclaration.h"
 #include "core/dom/PositionIterator.h"
 #include "core/dom/Text.h"
 #include "core/editing/TextIterator.h"
 #include "core/editing/VisiblePosition.h"
 #include "core/editing/VisibleUnits.h"
 #include "core/editing/htmlediting.h"
+#include "core/html/HTMLTableElement.h"
 #include "core/platform/Logging.h"
 #include "core/rendering/InlineIterator.h"
 #include "core/rendering/InlineTextBox.h"
 #include "core/rendering/RenderBlock.h"
 #include "core/rendering/RenderInline.h"
 #include "core/rendering/RenderText.h"
 #include "wtf/text/CString.h"
 #include "wtf/unicode/CharacterNames.h"
 
 namespace WebCore {
@@ skipping 493 matching lines @@
 // FIXME: Share code with isCandidate, if possible.
 static bool endsOfNodeAreVisuallyDistinctPositions(Node* node)
 {
     if (!node || !node->renderer())
         return false;
 
     if (!node->renderer()->isInline())
         return true;
 
     // Don't include inline tables.
-    if (node->hasTagName(tableTag))
+    if (isHTMLTableElement(node))
         return false;
 
     // There is a VisiblePosition inside an empty inline-block container.
     return node->renderer()->isReplaced() && canHaveChildrenForEditing(node) && toRenderBox(node->renderer())->height() != 0 && !node->firstChild();
 }
 
 static Node* enclosingVisualBoundary(Node* node)
 {
     while (node && !endsOfNodeAreVisuallyDistinctPositions(node))
         node = node->parentNode();
@@ skipping 828 matching lines @@
     pos.showTreeForThis();
 }
 
 void showTree(const WebCore::Position* pos)
 {
     if (pos)
         pos->showTreeForThis();
 }
 
 #endif