Moves over remaining .dart code references to 'factory' in interface declartions to 'default'

client/html/src/CSSStyleDeclaration.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.
 
-interface CSSStyleDeclaration factory CSSStyleDeclarationWrappingImplementation {
+interface CSSStyleDeclaration default CSSStyleDeclarationWrappingImplementation {
 
   CSSStyleDeclaration();
 
   CSSStyleDeclaration.css(String css);
 
   String get cssText();
 
   void set cssText(String value);
 
   int get length();
@@ skipping 1852 matching lines @@
   /** Sets the value of "z-index" */
   void set zIndex(String value);
 
   /** Gets the value of "zoom" */
   String get zoom();
 
   /** Sets the value of "zoom" */
   void set zoom(String value);
 
 }