Remove SendPortSync and ReceivePortSync.

tests/isolate/browser/ports_compilation_browser_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.
-
-// Regression test for dart2js that used to crash when compiling
-// [foo]. See http://code.google.com/p/dart/issues/detail?id=7448.
-
-library ports_compilation;
-import 'dart:html';
-import 'dart:isolate';
-import 'package:unittest/unittest.dart';
-import 'package:unittest/html_config.dart';
-
-void foo() {
-  // Create a "SendPortSync" object and access one of its members.
-  SendPortSync s_port;
-  s_port.callSync;
-
-  // Create a "ReceivePortSync" object (with the constructor) and
-  // access one of its members.
-  var r_port = new ReceivePortSync();
-  r_port.receive;
-
-  // Call getComputedStyle() from the HTML library.
-  query("").getComputedStyle("");
-}
-
-int inscrutable(int x) => x == 0 ? 0 : x | inscrutable(x & (x - 1));
-
-void main() {
-  // Generate the call, but don't execute it.
-  if (inscrutable(1) != 1) foo();
-  useHtmlConfiguration();
-  bar();
-  // Also generate it here in case the compiler's worklist goes from
-  // last seen to first seen.
-  if (inscrutable(1) != 1) foo();
-}
-
-bar() {
-  test('compile', () { });
-}