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

Source/core/rendering/svg/RenderSVGRoot.cpp

Index: Source/core/rendering/svg/RenderSVGRoot.cpp
diff --git a/Source/core/rendering/svg/RenderSVGRoot.cpp b/Source/core/rendering/svg/RenderSVGRoot.cpp
index 2d9a9c50396071d59e961456bd29037af0a4bb64..5a6be538f0dbd6c32fff47465fbf28d9609a7dde 100644
--- a/Source/core/rendering/svg/RenderSVGRoot.cpp
+++ b/Source/core/rendering/svg/RenderSVGRoot.cpp
@@ -300,11 +300,6 @@ void RenderSVGRoot::styleDidChange(StyleDifference diff, const RenderStyle* oldS
     SVGResourcesCache::clientStyleChanged(this, diff, style());
 }
 
-bool RenderSVGRoot::isChildAllowed(RenderObject* child, RenderStyle*) const
-{
-    return child->isSVG() && !(child->isSVGInline() || child->isSVGInlineText());
-}
-
 void RenderSVGRoot::addChild(RenderObject* child, RenderObject* beforeChild)
 {
     RenderReplaced::addChild(child, beforeChild);