Enable SVG for dartc and frog

client/dom/generated/src/frog/SVGViewSpec.dart

+
+class SVGViewSpec extends SVGZoomAndPan native "SVGViewSpec" {
+
+  String preserveAspectRatioString;
+
+  SVGTransformList transform;
+
+  String transformString;
+
+  String viewBoxString;
+
+  SVGElement viewTarget;
+
+  String viewTargetString;
+
+  // From SVGFitToViewBox
+
+  SVGAnimatedPreserveAspectRatio preserveAspectRatio;
+
+  SVGAnimatedRect viewBox;
+}