run aura_demo as a mojo app

mojo/mojo.gyp

 # Copyright 2013 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,
   },
   'includes': [
     'mojo_apps.gypi',
@@ skipping 19 matching lines @@
         'mojo_sample_app',
         'mojo_shell',
         'mojo_shell_lib',
         'mojo_shell_unittests',
         'mojo_system',
         'mojo_system_impl',
         'mojo_system_unittests',
         'mojo_utility',
         'mojo_utility_unittests',
       ],
+      'conditions': [
+        ['use_aura==1', {
+          'dependencies': [
+            'mojo_aura_demo',
+          ],
+        }],
+      ]
     },
     {
       'target_name': 'mojo_run_all_unittests',
       'type': 'static_library',
       'dependencies': [
         '../base/base.gyp:base',
         '../base/base.gyp:test_support_base',
         '../testing/gtest.gyp:gtest',
         'mojo_system',
         'mojo_system_impl',
@@ skipping 360 matching lines @@
             'java_in_dir': '<(DEPTH)/mojo/shell/android/apk',
             'resource_dir': '<(DEPTH)/mojo/shell/android/apk/res',
             'native_lib_target': 'libmojo_shell',
           },
           'includes': [ '../build/java_apk.gypi' ],
         }
       ],
     }],
   ],
 }