Ports VRService to be hosted in the device service.

services/device/BUILD.gn

 # Copyright 2016 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.
 
 import("//build/config/features.gni")
+import("//device/vr/features.gni")
 import("//services/catalog/public/tools/catalog.gni")
 import("//services/service_manager/public/cpp/service.gni")
 import("//services/service_manager/public/service_manifest.gni")
 
 if (is_android) {
   import("//build/config/android/rules.gni")
 }
 
 source_set("lib") {
   # This should be visible only to embedders of the Device Service, and the
   # dependence should only be for the purpose of embedding the Device Service.
   visibility = [
     ":test_support",
     "//content/browser",
   ]
   sources = [
     "device_service.cc",
     "device_service.h",
   ]
 
   deps = [
     "//base",
     "//device/battery:mojo_bindings",
     "//device/generic_sensor",
     "//device/sensors",
     "//device/sensors/public/interfaces",
     "//device/vibration:mojo_bindings",
+    "//device/vr",
+    "//device/vr:features",
     "//device/wake_lock",
     "//services/device/fingerprint",
     "//services/device/power_monitor",
     "//services/device/public/cpp:device_features",
     "//services/device/screen_orientation",
     "//services/device/time_zone_monitor",
     "//services/service_manager/public/cpp",
     "//ui/gfx",
   ]
 
@@ skipping 114 matching lines @@
       "//mojo/android:system_java",
       "//mojo/public/java:bindings_java",
       "//mojo/public/java:system_java",
       "//services/device/screen_orientation:java",
       "//services/device/time_zone_monitor:java",
       "//services/service_manager/public/interfaces:interfaces_java",
       "//services/service_manager/public/java:service_manager_java",
     ]
   }
 }