Revert "Handle addError on a WebSocket"

tests/standalone/io/web_socket_error_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
 
 library dart.io;
@@ skipping 76 matching lines @@
                 closeCount++;
                 if (closeCount == totalConnections) {
                   server.close();
                 }
               });
           });
       }
     });
   }
 
-  void testAddErrorServer() {
-    asyncStart();
-    asyncStart();
-    asyncStart();
-    asyncStart();
-    createServer().then((server) {
-      server.transform(new WebSocketTransformer()).listen((webSocket) {
-        webSocket.listen(
-            (message) {
-              webSocket.addError("ERROR");
-            },
-            onDone: () {
-              Expect.equals(WebSocketStatus.ABNORMAL_CLOSURE,
-                            webSocket.closeCode);
-              server.close();
-            },
-            onError: (e) {
-              Expect.equals("ERROR", e);
-              asyncEnd();
-            });
-
-        webSocket.done.then((_) {
-          Expect.fail("unexpected done completion");
-        }).catchError((e) {
-          Expect.equals("ERROR", e);
-          asyncEnd();
-        });
-        }, onDone: () {
-          asyncEnd();
-        });
-
-      createClient(server.port).then((webSocket) {
-        webSocket.add("message");
-        webSocket.listen(
-            (message) {
-              Expect.fail("unexpected message");
-            },
-            onDone: () {
-              Expect.equals(WebSocketStatus.ABNORMAL_CLOSURE,
-                            webSocket.closeCode);
-              server.close();
-              asyncEnd();
-            },
-            onError: (e) {
-              Expect.fail("unexpected onError");
-            });
-
-      });
-    });
-  }
-
-  void testAddErrorClient() {
-    asyncStart();
-    asyncStart();
-    asyncStart();
-    asyncStart();
-    createServer().then((server) {
-      server.transform(new WebSocketTransformer()).listen((webSocket) {
-        webSocket.listen(
-            (message) {
-              Expect.fail("unexpected message");
-            },
-            onDone: () {
-              Expect.equals(WebSocketStatus.ABNORMAL_CLOSURE,
-                            webSocket.closeCode);
-              asyncEnd();
-            });
-        }, onDone: () {
-          asyncEnd();
-        });
-
-      createClient(server.port).then((webSocket) {
-        webSocket.addError("ERROR");
-        webSocket.listen(
-            (message) {
-              Expect.fail("unexpected message");
-            },
-            onDone: () {
-              Expect.equals(WebSocketStatus.ABNORMAL_CLOSURE,
-                            webSocket.closeCode);
-              server.close();
-            },
-            onError: (e) {
-              Expect.equals("ERROR", e);
-              asyncEnd();
-            });
-
-        webSocket.done.then((_) {
-          Expect.fail("unexpected done completion");
-        }).catchError((e) {
-          Expect.equals("ERROR", e);
-          asyncEnd();
-        });
-      });
-    });
-  }
-
   void runTests() {
     testForceCloseServerEnd(10);
-    testAddErrorServer();
-    testAddErrorClient();
   }
 }
 
 
 main() {
   asyncStart();
   new SecurityConfiguration(secure: false).runTests();
   // TODO(whesse): WebSocket.connect needs an optional context: parameter
   // new SecurityConfiguration(secure: true).runTests();
   asyncEnd();
 }