Add VR desktop activity structure

remoting/remoting_options.gypi

 # Copyright (c) 2012 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,
 
     # Set this to run the jscompile checks after building the webapp.
     'run_jscompile%': 0,
 
     # Set this to enable cast mode on the android client.
     'enable_cast%': 0,
 
     # Set this to use GCD instead of the remoting directory service.
     'remoting_use_gcd%': 0,
 
+    # Set this to enable Android Chromoting Cardboard Activity.
+    'enable_cardboard%': 0,
+
     'variables': {
       'conditions': [
         # Enable the multi-process host on Windows by default.
         ['OS=="win"', {
           'remoting_multi_process%': 1,
         }, {
           'remoting_multi_process%': 0,
         }],
       ],
     },
@@ skipping 10 matching lines @@
       ['buildtype == "Dev"', {
         'ar_service_environment%': 'dev',
       }, {  # buildtype != 'Dev'
         # Non-dev builds should default to 'prod'.
         'ar_service_environment%': 'prod',
       }],
     ],  # conditions
 
   },
 }