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

runtime/bin/http_impl.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.
 
 class _HttpHeaders implements HttpHeaders {
   _HttpHeaders() : _headers = new Map<String, List<String>>();
 
   List<String> operator[](String name) {
     name = name.toLowerCase();
     return _headers[name];
@@ skipping 1919 matching lines @@
   int hashCode() => _socket.hashCode();
 
   String _host;
   int _port;
   Socket _socket;
   Date _returnTime;
 }
 
 
 class _HttpClient implements HttpClient {
-  static final int DEFAULT_EVICTION_TIMEOUT = 60000;
+  static const int DEFAULT_EVICTION_TIMEOUT = 60000;
 
   _HttpClient() : _openSockets = new Map(),
                   _activeSockets = new Set(),
                   _shutdown = false;
 
   HttpClientConnection open(
       String method, String host, int port, String path) {
     return _open(method, host, port, path);
   }
 
@@ skipping 215 matching lines @@
 
 
 class _RedirectInfo implements RedirectInfo {
   const _RedirectInfo(int this.statusCode,
                       String this.method,
                       Uri this.location);
   final int statusCode;
   final String method;
   final Uri location;
 }