Get rid of a lot of () for getters.

tests/standalone/io/http_advanced_test.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.
 //
 // VMOptions=
 // VMOptions=--short_socket_read
 // VMOptions=--short_socket_write
 // VMOptions=--short_socket_read --short_socket_write
 
 #import("dart:isolate");
@@ skipping 43 matching lines @@
 
 class TestServerCommand {
   static const START = 0;
   static const STOP = 1;
   static const CHUNKED_ENCODING = 2;
 
   TestServerCommand.start() : _command = START;
   TestServerCommand.stop() : _command = STOP;
   TestServerCommand.chunkedEncoding() : _command = CHUNKED_ENCODING;
 
-  bool get isStart() => _command == START;
-  bool get isStop() => _command == STOP;
-  bool get isChunkedEncoding() => _command == CHUNKED_ENCODING;
+  bool get isStart => _command == START;
+  bool get isStop => _command == STOP;
+  bool get isChunkedEncoding => _command == CHUNKED_ENCODING;
 
   int _command;
 }
 
 
 class TestServerStatus {
   static const STARTED = 0;
   static const STOPPED = 1;
   static const ERROR = 2;
 
   TestServerStatus.started(this._port) : _state = STARTED;
   TestServerStatus.stopped() : _state = STOPPED;
   TestServerStatus.error() : _state = ERROR;
 
-  bool get isStarted() => _state == STARTED;
-  bool get isStopped() => _state == STOPPED;
-  bool get isError() => _state == ERROR;
+  bool get isStarted => _state == STARTED;
+  bool get isStopped => _state == STOPPED;
+  bool get isError => _state == ERROR;
 
-  int get port() => _port;
+  int get port => _port;
 
   int _state;
   int _port;
 }
 
 
 void startTestServer() {
   var server = new TestServer();
   server.init();
   port.receive(server.dispatch);
@@ skipping 308 matching lines @@
   });
   testServerMain.start();
 }
 
 void main() {
   testHost();
   testExpires();
   testContentType();
   testCookies();
 }