Removing SelectElement.add method and adding a constructor.

lib/html/dart2js/html_dart2js.dart

Index: lib/html/dart2js/html_dart2js.dart
diff --git a/lib/html/dart2js/html_dart2js.dart b/lib/html/dart2js/html_dart2js.dart
index 3648b54a2d1fa5401f4f629d2b43a009fd2fd039..eae31d329cea5d0d5b7f901e5385e3668ee640b4 100644
--- a/lib/html/dart2js/html_dart2js.dart
+++ b/lib/html/dart2js/html_dart2js.dart
@@ -14792,8 +14792,6 @@ class _SelectElementImpl extends _ElementImpl implements SelectElement native "*
 
   final bool willValidate;
 
-  void add(_ElementImpl element, _ElementImpl before) native;
-
   bool checkValidity() native;
 
   _NodeImpl item(int index) native;
@@ -18325,6 +18323,11 @@ class _Elements {
     return _e;
   }
 
+  factory SelectElement() {
+    _SelectElementImpl _e = _document.$dom_createElement("select");
+    return _e;
+  }
+
   factory SourceElement() {
     _SourceElementImpl _e = _document.$dom_createElement("source");
     return _e;
@@ -33228,7 +33231,9 @@ interface ScriptProfileNode {
 // WARNING: Do not edit - generated code.
 
 /// @domName HTMLSelectElement
-interface SelectElement extends Element {
+interface SelectElement extends Element default _Elements {
+
+  SelectElement();
 
   /** @domName HTMLSelectElement.autofocus */
   bool autofocus;
@@ -33281,9 +33286,6 @@ interface SelectElement extends Element {
   /** @domName HTMLSelectElement.willValidate */
   final bool willValidate;
 
-  /** @domName HTMLSelectElement.add */
-  void add(Element element, Element before);
-
   /** @domName HTMLSelectElement.checkValidity */
   bool checkValidity();