Add test to check that FDs are sent through the OS X Sandbox ok.

chrome/common/ipc_tests.h

 // Copyright (c) 2006-2008 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 CHROME_COMMON_IPC_TESTS_H__
 #define CHROME_COMMON_IPC_TESTS_H__
 
 #include "base/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
 };
 
 // The different channel names for the child processes.
 extern const wchar_t kTestClientChannel[];
 extern const wchar_t kReflectorChannel[];
 extern const wchar_t kFuzzerChannel[];
 
 class MessageLoopForIO;
@@ skipping 11 matching lines @@
 
   // 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  // CHROME_COMMON_IPC_TESTS_H__