New OutputStream interface

tests/standalone/src/SocketExceptionTest.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.
 //
 // Tests socket exceptions.
 
 class SocketExceptionTest {
 
   static final PORT = 0;
   static final HOST = "127.0.0.1";
@@ skipping 86 matching lines @@
     } catch (SocketIOException ex) {
       exceptionCaught = true;
     } catch (Exception ex) {
       wrongExceptionCaught = true;
     }
     Expect.equals(true, exceptionCaught);
     Expect.equals(true, !wrongExceptionCaught);
     exceptionCaught = false;
     try {
       List<int> buffer = new List<int>(42);
-      bool readDone = output.write(buffer, 0, 12, null);
+      output.writeFrom(buffer, 0, 12);
     } catch (SocketIOException ex) {
       exceptionCaught = true;
     } catch (Exception ex) {
       wrongExceptionCaught = true;
     }
     Expect.equals(true, exceptionCaught);
     Expect.equals(true, !wrongExceptionCaught);
 
     server.close();
   }
@@ skipping 61 matching lines @@
   static void testMain() {
     serverSocketExceptionTest();
     clientSocketExceptionTest();
     indexOutOfRangeExceptionTest();
   }
 }
 
 main() {
   SocketExceptionTest.testMain();
 }