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

runtime/bin/socket_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 _SocketBase {
   // Bit flags used when communicating between the eventhandler and
   // dart code. The EVENT flags are used to indicate events of
   // interest when sending a message from dart code to the
   // eventhandler. When receiving a message from the eventhandler the
   // EVENT flags indicate the events that actually happened. The
   // COMMAND flags are used to send commands from dart to the
   // eventhandler. COMMAND flags are never received from the
   // eventhandler. Additional flags are used to communicate other
   // information.
-  static final int _IN_EVENT = 0;
-  static final int _OUT_EVENT = 1;
-  static final int _ERROR_EVENT = 2;
-  static final int _CLOSE_EVENT = 3;
+  static const int _IN_EVENT = 0;
+  static const int _OUT_EVENT = 1;
+  static const int _ERROR_EVENT = 2;
+  static const int _CLOSE_EVENT = 3;
 
-  static final int _CLOSE_COMMAND = 8;
-  static final int _SHUTDOWN_READ_COMMAND = 9;
-  static final int _SHUTDOWN_WRITE_COMMAND = 10;
+  static const int _CLOSE_COMMAND = 8;
+  static const int _SHUTDOWN_READ_COMMAND = 9;
+  static const int _SHUTDOWN_WRITE_COMMAND = 10;
 
   // Flag send to the eventhandler providing additional information on
   // the type of the file descriptor.
-  static final int _LISTENING_SOCKET = 16;
-  static final int _PIPE = 17;
+  static const int _LISTENING_SOCKET = 16;
+  static const int _PIPE = 17;
 
-  static final int _FIRST_EVENT = _IN_EVENT;
-  static final int _LAST_EVENT = _CLOSE_EVENT;
+  static const int _FIRST_EVENT = _IN_EVENT;
+  static const int _LAST_EVENT = _CLOSE_EVENT;
 
-  static final int _FIRST_COMMAND = _CLOSE_COMMAND;
-  static final int _LAST_COMMAND = _SHUTDOWN_WRITE_COMMAND;
+  static const int _FIRST_COMMAND = _CLOSE_COMMAND;
+  static const int _LAST_COMMAND = _SHUTDOWN_WRITE_COMMAND;
 
   _SocketBase () {
     _handlerMap = new List(_LAST_EVENT + 1);
     _handlerMask = 0;
     _canActivateHandlers = true;
     _id = -1;
     _EventHandler._start();
     _hashCode = _nextHashCode;
     _nextHashCode = (_nextHashCode + 1) & 0xFFFFFFF;
   }
@@ skipping 261 matching lines @@
   }
 
   bool _isListenSocket() => true;
   bool _isPipe() => false;
 
   var _clientConnectionHandler;
 }
 
 
 class _Socket extends _SocketBase implements Socket {
-  static final HOST_NAME_LOOKUP = 0;
+  static const HOST_NAME_LOOKUP = 0;
 
   // Constructs a new socket. During the construction an asynchronous
   // host name lookup is initiated. The returned socket is not yet
   // connected but ready for registration of callbacks.
   factory _Socket(String host, int port) {
     Socket socket = new _Socket._internal();
     _ensureSocketService();
     List request = new List(2);
     request[0] = HOST_NAME_LOOKUP;
     request[1] = host;
@@ skipping 258 matching lines @@
   bool _seenFirstOutEvent = false;
   bool _pipe = false;
   Function _clientConnectHandler;
   Function _clientWriteHandler;
   SocketInputStream _inputStream;
   SocketOutputStream _outputStream;
   String _remoteHost;
   int _remotePort;
   static SendPort _socketService;
 }