Rename blahHandler to onBlah throughout dart:io.

runtime/bin/socket.dart

-// Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
+// 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.
 
 interface ServerSocket default _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);
 
   /**
    * The connection handler gets called when there is a new incoming
    * connection on the socket.
    */
-  void set connectionHandler(void callback(Socket connection));
+  void set onConnection(void callback(Socket connection));
 
   /**
    * The error handler gets called when a socket error occurs.
    */
-  void set errorHandler(void callback());
+  void set onError(void callback());
 
   /**
    * Returns the port used by this socket.
    */
   int get port();
 
   /**
    * Closes the socket.
    */
   void close();
@@ skipping 26 matching lines @@
    * the socket. The number of successfully written bytes is returned. This
    * function is non-blocking and will only write data if buffer space is
    * available in the socket.
    */
   int writeList(List<int> buffer, int offset, int count);
 
   /**
    * The connect handler gets called when connection to a given host
    * succeeded.
    */
-  void set connectHandler(void callback());
+  void set onConnect(void callback());
 
   /**
    * The data handler gets called when data becomes available at the socket.
    */
-  void set dataHandler(void callback());
+  void set onData(void callback());
 
   /**
    * The write handler gets called when the socket becomes available for
    * writing.
    */
-  void set writeHandler(void callback());
+  void set onWrite(void callback());
 
   /**
    * The close handler gets called when a the last byte have been read
    * from a socket. At this point the socket might still be open for
    * writing for sending more data.
    */
-  void set closeHandler(void callback());
+  void set onClosed(void callback());
 
   /**
    * The error handler gets called when a socket error occurs.
    */
-  void set errorHandler(void callback());
+  void set onError(void callback());
 
   /**
    * Returns input stream to the socket.
    */
   InputStream get inputStream();
 
   /**
    * Returns output stream of the socket.
    */
   OutputStream get outputStream();
 
   /**
    * Returns the port used by this socket.
    */
   int get port();
 
   /**
    * Closes the socket. Calling [close] will never throw an exception
    * and calling it several times is supported. If [halfClose] is true
    * the socket will only be closed for writing and it might still be
    * possible to read data. Calling [close] will not trigger a call to
-   * the [closeHandler].
+   * [onClosed].
    */
   void close([bool halfClose]);
 }
 
 
 class SocketIOException implements Exception {
   const SocketIOException([String this.message = ""]);
   String toString() => "SocketIOException: $message";
   final String message;
 }