Consistently use setters to set event handlers in native APIs.

runtime/bin/socket.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.
 
 interface ServerSocket factory _ServerSocket {
   /*
    * Constructs a new server socket, binds it to a given address and port,
    * and listens on it.
    */
   ServerSocket(String bindAddress, int port, int backlog);
 
   /*
    * Accepts a connection to this socket.
    */
   Socket accept();
 
   /*
    * The connection handler gets executed when there are incoming connections
    * on the socket.
    */
-  void setConnectionHandler(void callback());
+  void set connectionHandler(void callback());
 
   /*
    * The error handler gets executed when a socket error occurs.
    */
-  void setErrorHandler(void callback());
+  void set errorHandler(void callback());
 
   /*
    * Returns the port used by this socket.
    */
   int get port();
 
   /*
    * Closes the socket.
    */
   void close();
@@ skipping 27 matching lines @@
    * function is non-blocking and will only write data if buffer space is
    * available in the socket. It will return 0 if an error occurs, e.g., no
    * buffer space available.
    */
   int writeList(List<int> buffer, int offset, int count);
 
   /*
    * The connect handler gets executed when connection to a given host
    * succeeded.
    */
-  void setConnectHandler(void callback());
+  void set connectHandler(void callback());
 
   /*
    * The data handler gets executed when data becomes available at the socket.
    */
-  void setDataHandler(void callback());
+  void set dataHandler(void callback());
 
   /*
    * The write handler gets executed when the socket becomes available for
    * writing.
    */
-  void setWriteHandler(void callback());
+  void set writeHandler(void callback());
 
   /*
    * The error handler gets executed when a socket error occurs.
    */
-  void setErrorHandler(void callback());
+  void set errorHandler(void callback());
 
   /*
    * The close handler gets executed when the socket was closed.
    */
-  void setCloseHandler(void callback());
+  void set closeHandler(void callback());
 
   /*
    * Returns input stream to the socket.
    */
   InputStream get inputStream();
 
   /*
    * Returns output stream of the socket.
    */
   OutputStream get outputStream();
@@ skipping 13 matching lines @@
 
 class SocketIOException implements Exception {
   const SocketIOException([String this.message = ""]);
   String toString() => "SocketIOException: $message";
 
   /*
    * Contains the exception message.
    */
   final String message;
 }