Minimal athena shell main

athena/main/athena_main.gyp

 # 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.
 
 {
+  'variables': {
+    'chromium_code': 1,
+  },
   'targets': [
     {
-      'target_name': 'sandbox_mac_unittests',
+      'target_name': 'athena_main',
       'type': 'executable',
-      'sources': [
-        'temp_test.cc',
-      ],
       'dependencies': [
-        '../base/base.gyp:base',
-        '../base/base.gyp:run_all_unittests',
-        '../testing/gtest.gyp:gtest',
+        '../../apps/shell/app_shell.gyp:app_shell_lib',
       ],
       'include_dirs': [
-        '../',
+        '../..',
+      ],
+      'sources': [
+        'athena_main.cc',
       ],
     },
-  ],
+  ],  # targets
 }