- Change "static final" to "static const" in the lib/ directory.

lib/dom/scripts/idlparser.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.
 
 // IDL grammar variants.
-final int WEBIDL_SYNTAX = 0;
-final int WEBKIT_SYNTAX = 1;
-final int FREMONTCUT_SYNTAX = 2;
+const int WEBIDL_SYNTAX = 0;
+const int WEBKIT_SYNTAX = 1;
+const int FREMONTCUT_SYNTAX = 2;
 
 /**
  * IDLFile is the top-level node in each IDL file. It may contain modules or
  * interfaces.
  */
 class IDLFile extends IDLNode {
 
   String filename;
   List<IDLModule> modules;
   List<IDLInterface> interfaces;
@@ skipping 521 matching lines @@
         OR([MANY(CHAR(' \t\r\n')),
             ['//', MANY0([NOT(CHAR('\r\n')), CHAR()])],
             ['#', MANY0([NOT(CHAR('\r\n')), CHAR()])],
             ['/*', MANY0([NOT('*/'), CHAR()]), '*/']]);
 
     // Top level - at least one definition.
     return MANY(Definition);
 
   }
 }