Add CheckedMachAddressRange 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 14 matching lines @@
         '..',
         '<(INTERMEDIATE_DIR)',
       ],
       'sources': [
         'file/fd_io.cc',
         'file/fd_io.h',
         'file/file_writer.cc',
         'file/file_writer.h',
         'file/string_file_writer.cc',
         'file/string_file_writer.h',
+        'mac/checked_mach_address_range.h',
+        'mac/checked_mach_address_range.cc',

[Robert Sesek, 2014/08/28 13:58:30]

nit: c < h

         'mac/launchd.h',
         'mac/launchd.mm',
         'mac/mac_util.cc',
         'mac/mac_util.h',
         'mac/service_management.cc',
         'mac/service_management.h',
         'mac/process_reader.cc',
         'mac/process_reader.h',
         'mac/process_types.cc',
         'mac/process_types.h',
@@ skipping 66 matching lines @@
         '../compat/compat.gyp:compat',
         '../third_party/gtest/gtest.gyp:gtest',
         '../third_party/gtest/gtest.gyp:gtest_main',
         '../third_party/mini_chromium/mini_chromium/base/base.gyp:base',
       ],
       'include_dirs': [
         '..',
       ],
       'sources': [
         'file/string_file_writer_test.cc',
+        'mac/checked_mach_address_range_test.cc',
         'mac/launchd_test.mm',
         'mac/mac_util_test.mm',
         'mac/process_reader_test.cc',
         'mac/process_types_test.cc',
         'mac/service_management_test.mm',
         'mach/bootstrap_test.cc',
         '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',
         'test/mac/mach_multiprocess_test.cc',
         'test/multiprocess_test.cc',
       ],
     },
   ],
 }