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

Source/core/svg/SVGAnimatorFactory.h

Index: Source/core/svg/SVGAnimatorFactory.h
diff --git a/Source/core/svg/SVGAnimatorFactory.h b/Source/core/svg/SVGAnimatorFactory.h
index 5a04cda8156ae7de8262bd510243e54a76718e77..599527d12b47c0cd79fd76b54906095e23c1935f 100644
--- a/Source/core/svg/SVGAnimatorFactory.h
+++ b/Source/core/svg/SVGAnimatorFactory.h
@@ -63,10 +63,6 @@ public:
             return adoptPtr(new SVGAnimatedIntegerAnimator(animationElement, contextElement));
         case AnimatedIntegerOptionalInteger:
             return adoptPtr(new SVGAnimatedIntegerOptionalIntegerAnimator(animationElement, contextElement));
-        case AnimatedLength:
-            return adoptPtr(new SVGAnimatedLengthAnimator(animationElement, contextElement));
-        case AnimatedLengthList:
-            return adoptPtr(new SVGAnimatedLengthListAnimator(animationElement, contextElement));
         case AnimatedNumber:
             return adoptPtr(new SVGAnimatedNumberAnimator(animationElement, contextElement));
         case AnimatedNumberList:
@@ -85,8 +81,11 @@ public:
             return adoptPtr(new SVGAnimatedStringAnimator(animationElement, contextElement));
         case AnimatedTransformList:
             return adoptPtr(new SVGAnimatedTransformListAnimator(animationElement, contextElement));
+        // Below properties are migrated to new property implementation.
+        case AnimatedLength:
+        case AnimatedLengthList:
         case AnimatedNewProperty:
-            return adoptPtr(new SVGAnimatedNewPropertyAnimator(animationElement, contextElement));
+            return adoptPtr(new SVGAnimatedNewPropertyAnimator(animationElement, contextElement, attributeType));
         case AnimatedUnknown:
             break;
         }