Another try at appendHtml and insertAdjacentHtml should be consistently sanitized

sdk/lib/svg/dart2js/svg_dart2js.dart

 /**
  * Scalable Vector Graphics:
  * Two-dimensional vector graphics with support for events and animation.
  *
  * For details about the features and syntax of SVG, a W3C standard,
  * refer to the
  * [Scalable Vector Graphics Specification](http://www.w3.org/TR/SVG/).
  */
 library dart.dom.svg;
 
@@ skipping 4840 matching lines @@
   }
 
   // Unsupported methods inherited from Element.
 
   @DomName('Element.insertAdjacentText')
   void insertAdjacentText(String where, String text) {
     throw new UnsupportedError("Cannot invoke insertAdjacentText on SVG.");
   }
 
   @DomName('Element.insertAdjacentHTML')
-  void insertAdjacentHtml(String where, String text) {
+  void insertAdjacentHtml(String where, String text, {NodeValidator validator,
+      NodeTreeSanitizer treeSanitizer}) {
     throw new UnsupportedError("Cannot invoke insertAdjacentHtml on SVG.");
   }
 
-  @DomName('Element.insertAdjacentHTML')
+  @DomName('Element.insertAdjacentElement')
   Element insertAdjacentElement(String where, Element element) {
     throw new UnsupportedError("Cannot invoke insertAdjacentElement on SVG.");
   }
 
   HtmlCollection get _children {
     throw new UnsupportedError("Cannot get _children on SVG.");
   }
 
   bool get isContentEditable => false;
   void click() {
@@ skipping 1921 matching lines @@
   @DomName('SVGVKernElement.SVGVKernElement')
   @DocsEditable()
   factory _SVGVKernElement() => _SvgElementFactoryProvider.createSvgElement_tag("vkern");
   /**
    * Constructor instantiated by the DOM when a custom element has been created.
    *
    * This can only be called by subclasses from their created constructor.
    */
   _SVGVKernElement.created() : super.created();
 }