Index: device/bluetooth/bluetooth_adapter.h |
diff --git a/device/bluetooth/bluetooth_adapter.h b/device/bluetooth/bluetooth_adapter.h |
index 71b44b9942134e24beb34aca4016f363fed4db56..c9d7b0df6f9a4e6d1b4b55cd76a8544ba53cbafd 100644 |
--- a/device/bluetooth/bluetooth_adapter.h |
+++ b/device/bluetooth/bluetooth_adapter.h |
@@ -174,6 +174,9 @@ class DEVICE_BLUETOOTH_EXPORT BluetoothAdapter |
virtual void GattDescriptorValueChanged(BluetoothAdapter* adapter, |
BluetoothGattDescriptor* descriptor, |
const std::vector<uint8>& value) {} |
+ |
+ protected: |
+ Observer() = default; |
}; |
// Used to configure a listening servie. |