Delete IPC::ChannelPosix, IPC::ChannelWin and IPC::AttachmentBroker.

ipc/ipc_perftests.cc

-// Copyright (c) 2012 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-#include "ipc/ipc_perftest_support.h"
-
-namespace {
-
-// This test times the roundtrip IPC message cycle.
-//
-// TODO(brettw): Make this test run by default.
-
-class IPCChannelPerfTest : public IPC::test::IPCChannelPerfTestBase {
-};
-
-TEST_F(IPCChannelPerfTest, ChannelPingPong) {
-  RunTestChannelPingPong(GetDefaultTestParams());
-}
-
-TEST_F(IPCChannelPerfTest, ChannelProxyPingPong) {
-  RunTestChannelProxyPingPong(GetDefaultTestParams());
-}
-
-MULTIPROCESS_IPC_TEST_CLIENT_MAIN(PerformanceClient) {
-  IPC::test::PingPongTestClient client;
-  return client.RunMain();
-}
-
-}  // namespace