Move SVGTests attributes parsing to SVGGraphicsElement

Source/core/svg/SVGGElement.cpp

Index: Source/core/svg/SVGGElement.cpp
diff --git a/Source/core/svg/SVGGElement.cpp b/Source/core/svg/SVGGElement.cpp
index f8e2dec2d330199db314f48df4d38d261b3f1272..8693bc383e16e7d66e022a6315ac98bb727f8d69 100644
--- a/Source/core/svg/SVGGElement.cpp
+++ b/Source/core/svg/SVGGElement.cpp
@@ -55,7 +55,6 @@ bool SVGGElement::isSupportedAttribute(const QualifiedName& attrName)
 {
     DEFINE_STATIC_LOCAL(HashSet<QualifiedName>, supportedAttributes, ());
     if (supportedAttributes.isEmpty()) {
-        SVGTests::addSupportedAttributes(supportedAttributes);
         SVGLangSpace::addSupportedAttributes(supportedAttributes);
         SVGExternalResourcesRequired::addSupportedAttributes(supportedAttributes);
     }
@@ -69,8 +68,6 @@ void SVGGElement::parseAttribute(const QualifiedName& name, const AtomicString&
         return;
     }
 
-    if (SVGTests::parseAttribute(name, value))
-        return;
     if (SVGLangSpace::parseAttribute(name, value))
         return;
     if (SVGExternalResourcesRequired::parseAttribute(name, value))
@@ -87,9 +84,6 @@ void SVGGElement::svgAttributeChanged(const QualifiedName& attrName)
     }
 
     SVGElementInstance::InvalidationGuard invalidationGuard(this);
-    
-    if (SVGTests::handleAttributeChange(this, attrName))
-        return;
 
     if (RenderObject* renderer = this->renderer())
         RenderSVGResource::markForLayoutAndParentResourceInvalidation(renderer);