appendHtml and insertAdjacentHtml should be consistently sanitized

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

Index: tools/dom/templates/html/impl/impl_SVGElement.darttemplate
diff --git a/tools/dom/templates/html/impl/impl_SVGElement.darttemplate b/tools/dom/templates/html/impl/impl_SVGElement.darttemplate
index dd235bc685f4538c59642fdc8496aea1294007fb..378dec8a2a3a4ea5c5ec4c86d0822b4a34e3e6ea 100644
--- a/tools/dom/templates/html/impl/impl_SVGElement.darttemplate
+++ b/tools/dom/templates/html/impl/impl_SVGElement.darttemplate
@@ -115,11 +115,12 @@ $(ANNOTATIONS)$(NATIVESPEC)$(CLASS_MODIFIERS)class $CLASSNAME$EXTENDS$IMPLEMENTS
   }
 
   @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.");
   }