Another try at appendHtml and insertAdjacentHtml should be consistently sanitized

tools/dom/templates/html/impl/impl_SVGElement.darttemplate

 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 part of $LIBRARYNAME;
 
 class _AttributeClassSet extends CssClassSetImpl {
   final Element _element;
 
   _AttributeClassSet(this._element);
@@ skipping 97 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() {
     throw new UnsupportedError("Cannot invoke click SVG.");
   }
 
   /**
    * Checks to see if the SVG element type is supported by the current platform.
    *
    * The tag should be a valid SVG element tag name.
    */
   static bool isTagSupported(String tag) {
     var e = new $CLASSNAME.tag(tag);
     return e is $CLASSNAME && !(e is UnknownElement);
   }
 $!MEMBERS
 }