Wrap deprecated sandbox functions in C++ class.

sandbox/mac/sandbox_mac.gypi

 # Copyright 2014 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.
 
 {
   'targets': [
     {
+      'target_name': 'seatbelt',
+      'type' : '<(component)',
+      'sources': [
+        'seatbelt.cc',
+        'seatbelt.h',
+        'seatbelt_export.h',
+      ],
+      'defines': [
+        'SEATBELT_IMPLEMENTATION',
+      ],
+      'include_dirs': [
+        '../..',
+      ],
+      'link_settings': {
+        'libraries': [
+          '$(SDKROOT)/usr/lib/libsandbox.dylib',
+        ],
+      }
+    },
+    {
       'target_name': 'sandbox',
       'type': '<(component)',
       'sources': [
         'bootstrap_sandbox.cc',
         'bootstrap_sandbox.h',
         'launchd_interception_server.cc',
         'launchd_interception_server.h',
         'mach_message_server.cc',
         'mach_message_server.h',
         'message_server.h',
@@ skipping 57 matching lines @@
           'dependencies': [
             'sandbox_mac_unittests',
           ],
           'includes': [ '../../build/isolate.gypi' ],
           'sources': [ '../sandbox_mac_unittests.isolate' ],
         },
       ],
     }],
   ],
 }