Make ipc_tests file structure a little saner and add an ipc_perftests target.

ipc/ipc_tests.h

-// Copyright (c) 2011 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.
-
-#ifndef IPC_IPC_TESTS_H_
-#define IPC_IPC_TESTS_H_
-
-#include "base/test/multiprocess_test.h"
-#include "base/process.h"
-
-// This unit test uses 3 types of child processes, a regular pipe client,
-// a client reflector and a IPC server used for fuzzing tests.
-enum ChildType {
-  TEST_CLIENT,
-  TEST_DESCRIPTOR_CLIENT,
-  TEST_DESCRIPTOR_CLIENT_SANDBOXED,
-  TEST_REFLECTOR,
-  FUZZER_SERVER,
-  SYNC_SOCKET_SERVER
-};
-
-// The different channel names for the child processes.
-extern const char kTestClientChannel[];
-extern const char kReflectorChannel[];
-extern const char kFuzzerChannel[];
-extern const char kSyncSocketChannel[];
-
-class MessageLoopForIO;
-namespace IPC {
-class Channel;
-}  // namespace IPC
-
-//Base class to facilitate Spawning IPC Client processes.
-class IPCChannelTest : public base::MultiProcessTest {
- protected:
-
-  // Create a new MessageLoopForIO For each test.
-  virtual void SetUp() OVERRIDE;
-  virtual void TearDown() OVERRIDE;
-
-  // Spawns a child process of the specified type
-  base::ProcessHandle SpawnChild(ChildType child_type, IPC::Channel* channel);
-
-  // Created around each test instantiation.
-  MessageLoopForIO* message_loop_;
-};
-
-#endif  // IPC_IPC_TESTS_H_