Move SVGTests attributes parsing to SVGGraphicsElement

Source/core/svg/SVGLineElement.cpp

Index: Source/core/svg/SVGLineElement.cpp
diff --git a/Source/core/svg/SVGLineElement.cpp b/Source/core/svg/SVGLineElement.cpp
index c2ed46a95427c14ae8461df9a47aa35889085146..6f50d201ea16eae65841b0aef3b29b6b9206d45a 100644
--- a/Source/core/svg/SVGLineElement.cpp
+++ b/Source/core/svg/SVGLineElement.cpp
@@ -66,7 +66,6 @@ bool SVGLineElement::isSupportedAttribute(const QualifiedName& attrName)
 {
     DEFINE_STATIC_LOCAL(HashSet<QualifiedName>, supportedAttributes, ());
     if (supportedAttributes.isEmpty()) {
-        SVGTests::addSupportedAttributes(supportedAttributes);
         SVGLangSpace::addSupportedAttributes(supportedAttributes);
         SVGExternalResourcesRequired::addSupportedAttributes(supportedAttributes);
         supportedAttributes.add(SVGNames::x1Attr);
@@ -91,8 +90,7 @@ void SVGLineElement::parseAttribute(const QualifiedName& name, const AtomicStrin
         setX2BaseValue(SVGLength::construct(LengthModeWidth, value, parseError));
     else if (name == SVGNames::y2Attr)
         setY2BaseValue(SVGLength::construct(LengthModeHeight, value, parseError));
-    else if (SVGTests::parseAttribute(name, value)
-             || SVGLangSpace::parseAttribute(name, value)
+    else if (SVGLangSpace::parseAttribute(name, value)
              || SVGExternalResourcesRequired::parseAttribute(name, value)) {
     } else
         ASSERT_NOT_REACHED();
@@ -117,9 +115,6 @@ void SVGLineElement::svgAttributeChanged(const QualifiedName& attrName)
     if (isLengthAttribute)
         updateRelativeLengthsInformation();
 
-    if (SVGTests::handleAttributeChange(this, attrName))
-        return;
-
     RenderSVGShape* renderer = toRenderSVGShape(this->renderer());
     if (!renderer)
         return;