| Index: device/u2f/u2f_device.h | 
| diff --git a/device/u2f/u2f_device.h b/device/u2f/u2f_device.h | 
| index 3a7e9161ac85f6f3bbfd1df1192313bb3f9f3343..06b9d2f81658dc6f6b8bc303cc52c4a97d9dae5a 100644 | 
| --- a/device/u2f/u2f_device.h | 
| +++ b/device/u2f/u2f_device.h | 
| @@ -39,7 +39,7 @@ class U2fDevice { | 
| std::unique_ptr<U2fApduResponse> response)>; | 
| using WinkCallback = base::Callback<void()>; | 
|  | 
| -  ~U2fDevice(); | 
| +  virtual ~U2fDevice(); | 
|  | 
| // Raw messages parameters are defined by the specification at | 
| // https://fidoalliance.org/specs/fido-u2f-v1.0-nfc-bt-amendment-20150514/fido-u2f-raw-message-formats.html | 
|  |