Add the MultiprocessExec test and its test

util/util.gyp

 # Copyright 2014 The Crashpad Authors. All rights reserved.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
 # You may obtain a copy of the License at
 #
 #     http://www.apache.org/licenses/LICENSE-2.0
 #
 # Unless required by applicable law or agreed to in writing, software
 # distributed under the License is distributed on an "AS IS" BASIS,
@@ skipping 82 matching lines @@
         '..',
       ],
       'link_settings': {
         'libraries': [
           '$(SDKROOT)/usr/lib/libbsm.dylib',
         ],
       },
       'sources': [
         'test/errors.cc',
         'test/errors.h',
+        'test/executable_path.h',
+        'test/executable_path_mac.cc',
         'test/mac/mach_errors.cc',
         'test/mac/mach_errors.h',
         'test/mac/mach_multiprocess.cc',
         'test/mac/mach_multiprocess.h',
         'test/multiprocess.cc',
         'test/multiprocess.h',
+        'test/multiprocess_exec.cc',
+        'test/multiprocess_exec.h',
         'test/posix/close_multiple.cc',
         'test/posix/close_multiple.h',
       ],
     },
     {
       'target_name': 'util_test',
       'type': 'executable',
       'dependencies': [
         'util',
         'util_test_lib',
@@ skipping 18 matching lines @@
         'mach/task_memory_test.cc',
         'misc/initialization_state_dcheck_test.cc',
         'misc/initialization_state_test.cc',
         'misc/scoped_forbid_return_test.cc',
         'misc/uuid_test.cc',
         'numeric/checked_range_test.cc',
         'numeric/in_range_cast_test.cc',
         'posix/process_util_test.cc',
         'stdlib/strlcpy_test.cc',
         'stdlib/strnlen_test.cc',
+        'test/executable_path_test.cc',
         'test/mac/mach_multiprocess_test.cc',
+        'test/multiprocess_exec_test.cc',
         'test/multiprocess_test.cc',
       ],
     },
+    {
+      'target_name': 'util_test_multiprocess_exec_test_child',
+      'type': 'executable',
+      'sources': [
+        'test/multiprocess_exec_test_child.cc',
+      ],
+    },
   ],
 }