Rename blahHandler to onBlah throughout dart:io.

runtime/bin/list_stream_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.
 
 /**
  * Default implementation of [ListInputStream].
  */
 class _ListInputStream extends _BaseDataInputStream implements ListInputStream {
   _ListInputStream() : _bufferList = new _BufferList();
 
@@ skipping 55 matching lines @@
 
   void close() {
     if (_streamMarkedClosed) throw new StreamException.streamClosed();
     _streamMarkedClosed = true;
   }
 
   void destroy() {
     close();
   }
 
-  void set noPendingWriteHandler(void callback()) {
+  void set onNoPendingWrites(void callback()) {
     _clientNoPendingWriteHandler = callback;
     _checkScheduleCallbacks();
   }
 
-  void set closeHandler(void callback()) {
+  void set onClosed(void callback()) {
     _clientCloseHandler = callback;
   }
 
-  void set errorHandler(void callback()) {
+  void set onError(void callback()) {
     // No errors emitted.
   }
 
   void _checkScheduleCallbacks() {
     void issueNoPendingWriteCallback(Timer timer) {
       _scheduledNoPendingWriteCallback = null;
       if (_clientNoPendingWriteHandler !== null) {
         _clientNoPendingWriteHandler();
         _checkScheduleCallbacks();
       }
@@ skipping 25 matching lines @@
   }
 
   _BufferList _bufferList;
   bool _streamMarkedClosed = false;
   bool _closeCallbackCalled = false;
   Timer _scheduledNoPendingWriteCallback;
   Timer _scheduledCloseCallback;
   Function _clientNoPendingWriteHandler;
   Function _clientCloseHandler;
 }