Move SVGTests attributes parsing to SVGGraphicsElement

Source/core/svg/SVGRectElement.cpp

Index: Source/core/svg/SVGRectElement.cpp
diff --git a/Source/core/svg/SVGRectElement.cpp b/Source/core/svg/SVGRectElement.cpp
index 044ac8907f53ae2eceaf789515f011cbb1a8d3ee..b00d3df0a4cb4c04b5dfc82a1a2bf855e5e0cb35 100644
--- a/Source/core/svg/SVGRectElement.cpp
+++ b/Source/core/svg/SVGRectElement.cpp
@@ -73,7 +73,6 @@ bool SVGRectElement::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::xAttr);
@@ -104,8 +103,7 @@ void SVGRectElement::parseAttribute(const QualifiedName& name, const AtomicStrin
         setWidthBaseValue(SVGLength::construct(LengthModeWidth, value, parseError, ForbidNegativeLengths));
     else if (name == SVGNames::heightAttr)
         setHeightBaseValue(SVGLength::construct(LengthModeHeight, value, parseError, ForbidNegativeLengths));
-    else if (SVGTests::parseAttribute(name, value)
-             || SVGLangSpace::parseAttribute(name, value)
+    else if (SVGLangSpace::parseAttribute(name, value)
              || SVGExternalResourcesRequired::parseAttribute(name, value)) {
     } else
         ASSERT_NOT_REACHED();
@@ -132,9 +130,6 @@ void SVGRectElement::svgAttributeChanged(const QualifiedName& attrName)
     if (isLengthAttribute)
         updateRelativeLengthsInformation();
 
-    if (SVGTests::handleAttributeChange(this, attrName))
-        return;
-
     RenderSVGShape* renderer = toRenderSVGShape(this->renderer());
     if (!renderer)
         return;