Fix EventConverterEvdevImplTest.SetAllowedKeys test in debug mode

ui/events/ozone/evdev/event_converter_evdev_impl_unittest.cc

Index: ui/events/ozone/evdev/event_converter_evdev_impl_unittest.cc
diff --git a/ui/events/ozone/evdev/event_converter_evdev_impl_unittest.cc b/ui/events/ozone/evdev/event_converter_evdev_impl_unittest.cc
index 13bb082ead9843469d54e48e675176983ff67495..d5ed5891aa4834946cd4568c93aeea3476fa6091 100644
--- a/ui/events/ozone/evdev/event_converter_evdev_impl_unittest.cc
+++ b/ui/events/ozone/evdev/event_converter_evdev_impl_unittest.cc
@@ -40,6 +40,10 @@ class MockEventConverterEvdevImpl : public EventConverterEvdevImpl {
   }
   ~MockEventConverterEvdevImpl() override {}
 
+  // EventConverterEvdevImpl:
+  bool HasKeyboard() const override { return true; }
+  bool HasTouchpad() const override { return true; }
+
  private:
   DISALLOW_COPY_AND_ASSIGN(MockEventConverterEvdevImpl);
 };