Redo "Use @Native annotation on dart2js DOM native classes"

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

 // Copyright (c) 2013, 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;
 
-$(ANNOTATIONS)$(CLASS_MODIFIERS)class $CLASSNAME$EXTENDS$IMPLEMENTS$NATIVESPEC {
+$(ANNOTATIONS)$(NATIVESPEC)$(CLASS_MODIFIERS)class $CLASSNAME$EXTENDS$IMPLEMENTS {
 
   factory $CLASSNAME(String title, {String titleDir: null, String body: null,
       String bodyDir: null, String tag: null, String iconUrl: null}) {
 
     var parsedOptions = {};
     if (titleDir != null) parsedOptions['titleDir'] = titleDir;
     if (body != null) parsedOptions['body'] = body;
     if (bodyDir != null) parsedOptions['bodyDir'] = bodyDir;
     if (tag != null) parsedOptions['tag'] = tag;
     if (iconUrl != null) parsedOptions['iconUrl'] = iconUrl;
 
     return $CLASSNAME._factory$CLASSNAME(title, parsedOptions);
   }
 $!MEMBERS
 }