Remove almost all clients of isHTMLElement

sky/engine/core/editing/ReplaceSelectionCommand.cpp

Index: sky/engine/core/editing/ReplaceSelectionCommand.cpp
diff --git a/sky/engine/core/editing/ReplaceSelectionCommand.cpp b/sky/engine/core/editing/ReplaceSelectionCommand.cpp
index 3357f532dbafda5ffce1d5a536c86a54dca4cdb7..9382905b0523819bda95513ea8527ef94562f4fb 100644
--- a/sky/engine/core/editing/ReplaceSelectionCommand.cpp
+++ b/sky/engine/core/editing/ReplaceSelectionCommand.cpp
@@ -489,12 +489,12 @@ static bool isInlineHTMLElementWithStyle(const Node* node)
     if (isBlock(node))
         return false;
 
-    if (!node->isHTMLElement())
+    if (!node->isElementNode())
         return false;
 
     // We can skip over elements whose class attribute is
     // one of our internal classes.
-    const HTMLElement* element = toHTMLElement(node);
+    const Element* element = toElement(node);
     const AtomicString& classAttributeValue = element->getAttribute(HTMLNames::classAttr);
     if (classAttributeValue == AppleTabSpanClass)
         return true;