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

lib/uri/uri.dart

 // Copyright (c) 2012, 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.
 
 #library('dart:uri');
 
 #import('dart:math');
 #import('dart:utf');
 
 #source('encode_decode.dart');
@@ skipping 35 matching lines @@
 
   static int _parseIntOrZero(String val) {
     if (val !== null && val != '') {
       return parseInt(val);
     } else {
       return 0;
     }
   }
 
   // NOTE: This code was ported from: closure-library/closure/goog/uri/utils.js
-  static final RegExp _splitRe = const RegExp(
+  static const RegExp _splitRe = const RegExp(
       '^'
       '(?:'
         '([^:/?#.]+)'                   // scheme - ignore special characters
                                         // used by other URL parts such as :,
                                         // ?, /, #, and .
       ':)?'
       '(?://'
         '(?:([^/?#]*)@)?'               // userInfo
         '([\\w\\d\\-\\u0100-\\uffff.%]*)'
                                         // domain - restrict to letters,
                                         // digits, dashes, dots, percent
                                         // escapes, and unicode characters.
         '(?::([0-9]+))?'                // port
       ')?'
       '([^?#]+)?'                       // path
       '(?:\\?([^#]*))?'                 // query
       '(?:#(.*))?'                      // fragment
       '\$');
 
-  static final _COMPONENT_SCHEME = 1;
-  static final _COMPONENT_USER_INFO = 2;
-  static final _COMPONENT_DOMAIN = 3;
-  static final _COMPONENT_PORT = 4;
-  static final _COMPONENT_PATH = 5;
-  static final _COMPONENT_QUERY_DATA = 6;
-  static final _COMPONENT_FRAGMENT = 7;
+  static const _COMPONENT_SCHEME = 1;
+  static const _COMPONENT_USER_INFO = 2;
+  static const _COMPONENT_DOMAIN = 3;
+  static const _COMPONENT_PORT = 4;
+  static const _COMPONENT_PATH = 5;
+  static const _COMPONENT_QUERY_DATA = 6;
+  static const _COMPONENT_FRAGMENT = 7;
 
   /**
    * Returns `true` if the URI is absolute.
    */
   bool isAbsolute() {
     if ("" == scheme) return false;
     if ("" != fragment) return false;
     return true;
 
     /* absolute-URI  = scheme ":" hier-part [ "?" query ]
@@ skipping 130 matching lines @@
   }
 
   static void _addIfNonEmpty(StringBuffer sb, String test,
                              String first, String second) {
     if ("" != test) {
       sb.add(first === null ? "null" : first);
       sb.add(second === null ? "null" : second);
     }
   }
 }