Introduce SVGGraphicsElement IDL interface

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 c54277bc6e33e64eb475852bfcbf199eaa477079..c2ed46a95427c14ae8461df9a47aa35889085146 100644
--- a/Source/core/svg/SVGLineElement.cpp
+++ b/Source/core/svg/SVGLineElement.cpp
@@ -42,12 +42,11 @@ BEGIN_REGISTER_ANIMATED_PROPERTIES(SVGLineElement)
     REGISTER_LOCAL_ANIMATED_PROPERTY(x2)
     REGISTER_LOCAL_ANIMATED_PROPERTY(y2)
     REGISTER_LOCAL_ANIMATED_PROPERTY(externalResourcesRequired)
-    REGISTER_PARENT_ANIMATED_PROPERTIES(SVGStyledTransformableElement)
-    REGISTER_PARENT_ANIMATED_PROPERTIES(SVGTests)
+    REGISTER_PARENT_ANIMATED_PROPERTIES(SVGGraphicsElement)
 END_REGISTER_ANIMATED_PROPERTIES
 
 inline SVGLineElement::SVGLineElement(const QualifiedName& tagName, Document* document)
-    : SVGStyledTransformableElement(tagName, document)
+    : SVGGraphicsElement(tagName, document)
     , m_x1(LengthModeWidth)
     , m_y1(LengthModeHeight)
     , m_x2(LengthModeWidth)
@@ -83,7 +82,7 @@ void SVGLineElement::parseAttribute(const QualifiedName& name, const AtomicStrin
     SVGParsingError parseError = NoError;
 
     if (!isSupportedAttribute(name))
-        SVGStyledTransformableElement::parseAttribute(name, value);
+        SVGGraphicsElement::parseAttribute(name, value);
     else if (name == SVGNames::x1Attr)
         setX1BaseValue(SVGLength::construct(LengthModeWidth, value, parseError));
     else if (name == SVGNames::y1Attr)
@@ -104,7 +103,7 @@ void SVGLineElement::parseAttribute(const QualifiedName& name, const AtomicStrin
 void SVGLineElement::svgAttributeChanged(const QualifiedName& attrName)
 {
     if (!isSupportedAttribute(attrName)) {
-        SVGStyledTransformableElement::svgAttributeChanged(attrName);
+        SVGGraphicsElement::svgAttributeChanged(attrName);
         return;
     }