Further code review changes for issue 8341027.

client/html/src/CSSStyleDeclarationWrappingImplementation.dart

 // 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.
 
 // WARNING: Do not edit.
 // This file was generated by html/scripts/css_code_generator.py
 
 // Source of CSS properties:
 //   Source/WebCore/css/CSSPropertyNames.in
 
 // TODO(jacobr): add versions that take numeric values in px, miliseconds, etc.
 
 class CSSStyleDeclarationWrappingImplementation extends DOMWrapperBase implements CSSStyleDeclaration {
   static String _cachedBrowserPrefix;
 
+  const CSSStyleDeclarationWrappingImplementation._empty() : super._empty();
+
   CSSStyleDeclarationWrappingImplementation._wrap(ptr) : super._wrap(ptr) {}
 
   factory CSSStyleDeclarationWrappingImplementation.css(String css) {
     var style = new Element.tag('div').style;
     style.cssText = css;
     return style;
   }
 
   factory CSSStyleDeclarationWrappingImplementation() {
     return new CSSStyleDeclarationWrappingImplementation.css('');
@@ skipping 2810 matching lines @@
 
   /** Gets the value of "zoom" */
   String get zoom() =>
     getPropertyValue('zoom');
 
   /** Sets the value of "zoom" */
   void set zoom(String value) {
     setProperty('zoom', value, '');
   }
 }