Rename blahHandler to onBlah throughout dart:io.

tests/standalone/src/EchoServerTest.dart

Index: tests/standalone/src/EchoServerTest.dart
diff --git a/tests/standalone/src/EchoServerTest.dart b/tests/standalone/src/EchoServerTest.dart
index d7add6a5fabd13db663e9a51181bf7bd0b8dc6f1..881390f8383854e988e51ca930a88206ff8771ea 100644
--- a/tests/standalone/src/EchoServerTest.dart
+++ b/tests/standalone/src/EchoServerTest.dart
@@ -1,4 +1,4 @@
-// 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.
 //
@@ -57,7 +57,7 @@ class EchoServerGame {
           for (int i = 0; i < bytesRead; i++) {
             Expect.equals(FIRSTCHAR + i, bufferReceived[i]);
           }
-          _socket.dataHandler = handleRead;
+          _socket.onData = handleRead;
         } else {
           // We check every time the whole buffer to verify data integrity.
           for (int i = 0; i < MSGSIZE; i++) {
@@ -89,21 +89,21 @@ class EchoServerGame {
           bytesWritten += _socket.writeList(
               _buffer, bytesWritten, MSGSIZE - bytesWritten);
           if (bytesWritten < MSGSIZE) {
-            _socket.writeHandler = handleWrite;
+            _socket.onWrite = handleWrite;
           }
         }
 
         handleWrite();
       }
 
-      _socket.dataHandler = messageHandler;
-      _socket.errorHandler = errorHandler;
+      _socket.onData = messageHandler;
+      _socket.onError = errorHandler;
       writeMessage();
     }
 
     _socket = new Socket(TestingServer.HOST, _port);
     if (_socket !== null) {
-      _socket.connectHandler = connectHandler;
+      _socket.onConnect = connectHandler;
     } else {
       Expect.fail("Socket creation failed");
     }
@@ -149,7 +149,7 @@ class EchoServer extends TestingServer {
             for (int i = 0; i < bytesRead; i++) {
               Expect.equals(EchoServerGame.FIRSTCHAR + i, buffer[i]);
             }
-            connection.dataHandler = handleRead;
+            connection.onData = handleRead;
           } else {
             // We check every time the whole buffer to verify data integrity.
             for (int i = 0; i < msgSize; i++) {
@@ -165,7 +165,7 @@ class EchoServer extends TestingServer {
                     buffer, bytesWritten, msgSize - bytesWritten);
                 bytesWritten += written;
                 if (bytesWritten < msgSize) {
-                  connection.writeHandler = handleWrite;
+                  connection.onWrite = handleWrite;
                 } else {
                   connection.close(true);
                 }
@@ -188,9 +188,9 @@ class EchoServer extends TestingServer {
       Expect.fail("Socket error");
     }
 
-    connection.dataHandler = messageHandler;
-    connection.closeHandler = closeHandler;
-    connection.errorHandler = errorHandler;
+    connection.onData = messageHandler;
+    connection.onClosed = closeHandler;
+    connection.onError = errorHandler;
   }
 }