Add a content_resources target which currently includes the sandbox definitions on mac

content/content_resources.gyp

+# 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.
+
+# TODO(jochen): make this a .gypi file and include it in content.gyp, once
+# content.gyp doesn't depend on gyp files from chrome/ anymore:
+# http://crbug.com/10394
+{
+  'variables': {
+    'grit_out_dir': '<(SHARED_INTERMEDIATE_DIR)/content',
+  },
+  'targets': [
+    {
+      'target_name': 'content_resources',
+      'type': 'none',
+      'actions': [
+        {
+          'action_name': 'content_resources',
+          'variables': {
+            'grit_grd_file': 'content_resources.grd',
+          },
+          'includes': [ '../build/grit_action.gypi' ],
+        },
+      ],
+      'includes': [ '../build/grit_target.gypi' ],
+    },
+  ],
+}