Revert of Convert remaining RenderSVG* nodes to RenderObject::isChildAllowed

Source/core/svg/SVGElement.cpp

Index: Source/core/svg/SVGElement.cpp
diff --git a/Source/core/svg/SVGElement.cpp b/Source/core/svg/SVGElement.cpp
index 5e5638a29aa28af1b4792f42334b14faa1760776..2d6d693961d68ff5131d7dbad0684ca47b81990c 100644
--- a/Source/core/svg/SVGElement.cpp
+++ b/Source/core/svg/SVGElement.cpp
@@ -950,6 +950,17 @@ void SVGElement::finishParsingChildren()
         sendSVGLoadEventIfPossible();
 }
 
+bool SVGElement::childShouldCreateRenderer(const Node& child) const
+{
+    if (child.hasTagName(SVGNames::textPathTag)
+#if ENABLE(SVG_FONTS)
+        || child.hasTagName(SVGNames::altGlyphTag)
+#endif
+        || child.hasTagName(SVGNames::tspanTag))
+        return false;
+    return child.isSVGElement();
+}
+
 void SVGElement::attributeChanged(const QualifiedName& name, const AtomicString& newValue, AttributeModificationReason)
 {
     Element::attributeChanged(name, newValue);