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

Source/core/animation/AnimatableValueTestHelper.cpp

Index: Source/core/animation/AnimatableValueTestHelper.cpp
diff --git a/Source/core/animation/AnimatableValueTestHelper.cpp b/Source/core/animation/AnimatableValueTestHelper.cpp
index da6958cfc219ad90c5eb4d684fde09915cb53c44..1dbea4284b3f2281941dfa01b83a0fab51ff1fbc 100644
--- a/Source/core/animation/AnimatableValueTestHelper.cpp
+++ b/Source/core/animation/AnimatableValueTestHelper.cpp
@@ -120,7 +120,7 @@ void PrintTo(const AnimatableRepeatable& animValue, ::std::ostream* os)
 void PrintTo(const AnimatableSVGLength& animSVGLength, ::std::ostream* os)
 {
     *os << "AnimatableSVGLength("
-        << animSVGLength.toSVGLength().valueAsString().utf8().data() << ")";
+        << animSVGLength.toSVGLength()->valueAsString().utf8().data() << ")";
 }
 
 void PrintTo(const AnimatableSVGPaint& animSVGPaint, ::std::ostream* os)
@@ -143,10 +143,11 @@ void PrintTo(const AnimatableShapeValue& animValue, ::std::ostream* os)
 void PrintTo(const AnimatableStrokeDasharrayList& animValue, ::std::ostream* os)
 {
     *os << "AnimatableStrokeDasharrayList(";
-    const Vector<SVGLength> v = animValue.toSVGLengthVector();
-    for (Vector<SVGLength>::const_iterator it = v.begin(); it != v.end(); ++it) {
-        *os << it->valueAsString().utf8().data();
-        if (it+1 != v.end())
+    RefPtr<SVGLengthList> list = animValue.toSVGLengthList();
+    size_t length = list->numberOfItems();
+    for (size_t i = 0; i < length; ++i) {
+        *os << list->at(i)->valueAsString().utf8().data();
+        if (i != length-1)
             *os << ", ";
     }
     *os << ")";