ozone: evdev: Add gamepad support

ui/events/ozone/evdev/event_device_info.h

Index: ui/events/ozone/evdev/event_device_info.h
diff --git a/ui/events/ozone/evdev/event_device_info.h b/ui/events/ozone/evdev/event_device_info.h
index b4ddbcdad8de19b9fbdb189db4bfebe0f4a54fa7..0401b64a01e10f71105c1240a0e30a4f6196ec59 100644
--- a/ui/events/ozone/evdev/event_device_info.h
+++ b/ui/events/ozone/evdev/event_device_info.h
@@ -69,6 +69,7 @@ class EVENTS_OZONE_EVDEV_EXPORT EventDeviceInfo {
   void SetAbsMtSlots(unsigned int code, const std::vector<int32_t>& values);
   void SetAbsMtSlot(unsigned int code, unsigned int slot, uint32_t value);
   void SetDeviceType(InputDeviceType type);
+  void SetId(uint16_t vendor_id, uint16_t product_id);
 
   // Check events this device can generate.
   bool HasEventType(unsigned int type) const;
@@ -139,6 +140,9 @@ class EVENTS_OZONE_EVDEV_EXPORT EventDeviceInfo {
   // Determine whether there's a touchscreen on this device.
   bool HasTouchscreen() const;
 
+  // Determine whether there's a gamepad on this device.
+  bool HasGamepad() const;
+
   // The device type (internal or external.)
   InputDeviceType device_type() const { return device_type_; }