[SVG] SVGLength{,List} migration to new SVG property impl.

Source/core/svg/SVGCursorElement.cpp

Index: Source/core/svg/SVGCursorElement.cpp
diff --git a/Source/core/svg/SVGCursorElement.cpp b/Source/core/svg/SVGCursorElement.cpp
index 2d2f31c1813cb9711b458fe9ba9ddbbcfb3a3fdc..08724d281cda8463d90fffdc2a41b9309353b35b 100644
--- a/Source/core/svg/SVGCursorElement.cpp
+++ b/Source/core/svg/SVGCursorElement.cpp
@@ -30,23 +30,22 @@
 namespace WebCore {
 
 // Animated property definitions
-DEFINE_ANIMATED_LENGTH(SVGCursorElement, SVGNames::xAttr, X, x)
-DEFINE_ANIMATED_LENGTH(SVGCursorElement, SVGNames::yAttr, Y, y)
 DEFINE_ANIMATED_STRING(SVGCursorElement, XLinkNames::hrefAttr, Href, href)
 
 BEGIN_REGISTER_ANIMATED_PROPERTIES(SVGCursorElement)
-    REGISTER_LOCAL_ANIMATED_PROPERTY(x)
-    REGISTER_LOCAL_ANIMATED_PROPERTY(y)
     REGISTER_LOCAL_ANIMATED_PROPERTY(href)
     REGISTER_PARENT_ANIMATED_PROPERTIES(SVGTests)
 END_REGISTER_ANIMATED_PROPERTIES
 
 inline SVGCursorElement::SVGCursorElement(Document& document)
     : SVGElement(SVGNames::cursorTag, document)
-    , m_x(LengthModeWidth)
-    , m_y(LengthModeHeight)
+    , m_x(SVGAnimatedLength::create(this, SVGNames::xAttr, SVGLength::create(LengthModeWidth)))
+    , m_y(SVGAnimatedLength::create(this, SVGNames::yAttr, SVGLength::create(LengthModeHeight)))
 {
     ScriptWrappable::init(this);
+
+    addToPropertyMap(m_x);
+    addToPropertyMap(m_y);
     registerAnimatedPropertiesForSVGCursorElement();
 }
 
@@ -81,9 +80,9 @@ void SVGCursorElement::parseAttribute(const QualifiedName& name, const AtomicStr
     if (!isSupportedAttribute(name))
         SVGElement::parseAttribute(name, value);
     else if (name == SVGNames::xAttr)
-        setXBaseValue(SVGLength::construct(LengthModeWidth, value, parseError));
+        m_x->setBaseValueAsString(value, AllowNegativeLengths, parseError);
     else if (name == SVGNames::yAttr)
-        setYBaseValue(SVGLength::construct(LengthModeHeight, value, parseError));
+        m_y->setBaseValueAsString(value, AllowNegativeLengths, parseError);
     else if (SVGTests::parseAttribute(name, value)
              || SVGURIReference::parseAttribute(name, value)) {
     } else