Fix build break when building with enable_openvr=true on Windows

device/vr/openvr/openvr_device.h

Index: device/vr/openvr/openvr_device.h
diff --git a/device/vr/openvr/openvr_device.h b/device/vr/openvr/openvr_device.h
index f4b2d1d7258962f7a5d30acc86b64e78fe9a2f29..2a136d23750884a60a2b8aa4c41d588cf4de89f4 100644
--- a/device/vr/openvr/openvr_device.h
+++ b/device/vr/openvr/openvr_device.h
@@ -59,8 +59,8 @@ class OpenVRDevice : public VRDevice {
    private:
     void Run() override;
 
-    void GetVSync(const device::mojom::VRVSyncProvider::GetVSyncCallback&
-                      callback) override;
+    void GetVSync(
+        device::mojom::VRVSyncProvider::GetVSyncCallback callback) override;
 
     scoped_refptr<base::SingleThreadTaskRunner> main_thread_task_runner_;
     base::Callback<void()> on_polling_events_;