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

Source/core/rendering/svg/RenderSVGInline.cpp

Index: Source/core/rendering/svg/RenderSVGInline.cpp
diff --git a/Source/core/rendering/svg/RenderSVGInline.cpp b/Source/core/rendering/svg/RenderSVGInline.cpp
index 51d884076255eb29491d563b09d896bdf9befaf1..7c2ec4ae8b5c6948e93cd560d92162d06e34e053 100644
--- a/Source/core/rendering/svg/RenderSVGInline.cpp
+++ b/Source/core/rendering/svg/RenderSVGInline.cpp
@@ -23,7 +23,6 @@
 
 #include "core/rendering/svg/RenderSVGInline.h"
 
-#include "SVGNames.h"
 #include "core/rendering/svg/RenderSVGText.h"
 #include "core/rendering/svg/SVGInlineFlowBox.h"
 #include "core/rendering/svg/SVGRenderSupport.h"
@@ -36,12 +35,6 @@ bool RenderSVGInline::isChildAllowed(RenderObject* child, RenderStyle* style) co
     if (SVGRenderSupport::isEmptySVGInlineText(child))
         return false;
 
-    if (node()->hasTagName(SVGNames::aTag)) {
-        // Disallow direct descendant 'a'.
-        if (child->node()->hasTagName(SVGNames::aTag))
-            return false;
-    }
-
     if (!child->isSVGInline() && !child->isSVGInlineText())
         return false;