Clean up dart:io exceptions.

tests/standalone/io/http_server_response_test.dart

 // Copyright (c) 2013, 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.
 //
 // VMOptions=
 // VMOptions=--short_socket_read
 // VMOptions=--short_socket_write
 // VMOptions=--short_socket_read --short_socket_write
 
 import "package:expect/expect.dart";
@@ skipping 25 matching lines @@
                 client.close();
               } else {
                 received += data.length;
               }
             },
             onDone: () {
               if (bytes != null) Expect.equals(received, bytes);
               client.close();
             },
             onError: (error) {
-              Expect.isTrue(error is HttpParserException);
+              Expect.isTrue(error is HttpException);
             });
       })
       .catchError((error) {
          client.close();
-      }, test: (e) => e is HttpParserException);
+      }, test: (e) => e is HttpException);
   });
 }
 
 
 void testResponseDone() {
   testServerRequest((server, request) {
     request.response.close();
     request.response.done.then((response) {
       Expect.equals(request.response, response);
       server.close();
@@ skipping 211 matching lines @@
 
 void main() {
   testResponseDone();
   testResponseAddStream();
   testResponseAddStreamClosed();
   testResponseAddClosed();
   testBadResponseAdd();
   testBadResponseClose();
   testIgnoreRequestData();
 }