Ports VRService to be hosted in the device service.

services/device/device_service.h

Index: services/device/device_service.h
diff --git a/services/device/device_service.h b/services/device/device_service.h
index cd38c23600321e04beb869169ec5dd46547dca17..bc3237114d0f23da4a3556aa6cab230b58bfd248 100644
--- a/services/device/device_service.h
+++ b/services/device/device_service.h
@@ -13,6 +13,7 @@
 #include "device/sensors/public/interfaces/motion.mojom.h"
 #include "device/sensors/public/interfaces/orientation.mojom.h"
 #include "device/vibration/vibration_manager.mojom.h"
+#include "device/vr/features.h"
 #include "device/wake_lock/public/interfaces/wake_lock_context_provider.mojom.h"
 #include "device/wake_lock/wake_lock_service_context.h"
 #include "mojo/public/cpp/bindings/binding_set.h"
@@ -24,6 +25,12 @@
 #include "services/service_manager/public/cpp/interface_provider.h"
 #include "services/service_manager/public/cpp/service.h"
 
+#if BUILDFLAG(ENABLE_VR)
+#include "device/vr/vr_service_impl.h"  //nogncheck
+#else
+#include "device/vr/vr_service.mojom.h"  //nogncheck
+#endif
+
 namespace base {
 class SingleThreadTaskRunner;
 }
@@ -63,6 +70,7 @@ class DeviceService
           mojom::ScreenOrientationListener>,
       public service_manager::InterfaceFactory<mojom::SensorProvider>,
       public service_manager::InterfaceFactory<mojom::TimeZoneMonitor>,
+      public service_manager::InterfaceFactory<mojom::VRService>,
       public service_manager::InterfaceFactory<mojom::WakeLockContextProvider> {
  public:
 #if defined(OS_ANDROID)
@@ -127,6 +135,10 @@ class DeviceService
   void Create(const service_manager::Identity& remote_identity,
               mojom::TimeZoneMonitorRequest request) override;
 
+  // InterfaceFactory<mojom::VRService>:
+  void Create(const service_manager::Identity& remote_identity,
+              mojom::VRServiceRequest request) override;
+
   // InterfaceFactory<mojom::WakeLockContextProvider>:
   void Create(const service_manager::Identity& remote_identity,
               mojom::WakeLockContextProviderRequest request) override;