Splitting SVG types out of dart:html.

tests/html/svg_3_test.dart

 library SVG3Test;
 import '../../pkg/unittest/lib/unittest.dart';
 import '../../pkg/unittest/lib/html_config.dart';
 import 'dart:html';
+import 'dart:svg';
 
 // Test that SVG elements have the operations advertised through all the IDL
 // interfaces.  This is a 'duck typing' test, and does not explicitly use 'is'
 // checks on the expected interfaces (that is in SVGTest2).
 
 main() {
 
   var isString = predicate((x) => x is String, 'is a String');
   var isStringList = predicate((x) => x is List<String>, 'is a List<String>');
   var isSVGMatrix = predicate((x) => x is SVGMatrix, 'is a SVGMatrix');
-  var isSVGAnimatedBoolean = 
+  var isSVGAnimatedBoolean =
       predicate((x) => x is SVGAnimatedBoolean, 'is an SVGAnimatedBoolean');
-  var isSVGAnimatedString = 
+  var isSVGAnimatedString =
       predicate((x) => x is SVGAnimatedString, 'is an SVGAnimatedString');
   var isSVGRect = predicate((x) => x is SVGRect, 'is a SVGRect');
   var isSVGAnimatedTransformList =
       predicate((x) => x is SVGAnimatedTransformList,
           'is an SVGAnimatedTransformList');
   var isCSSStyleDeclaration =
       predicate((x) => x is CSSStyleDeclaration, 'is a CSSStyleDeclaration');
   var isCSSValue = predicate((x) => x is CSSValue, 'is a CSSValue');
 
   insertTestDiv() {
@@ skipping 106 matching lines @@
 
   testRect('rect_SVGTests', checkSVGTests);
   testRect('rect_SVGLangSpace', checkSVGLangSpace);
   testRect('rect_SVGExternalResourcesRequired',
            checkSVGExternalResourcesRequired);
   testRect('rect_SVGStylable', checkSVGStylable);
   testRect('rect_SVGLocatable', checkSVGLocatable);
   testRect('rect_SVGTransformable', checkSVGTransformable);
 
 }