ozone: evdev: Add gamepad support

ui/events/ozone/evdev/device_event_dispatcher_evdev.h

Index: ui/events/ozone/evdev/device_event_dispatcher_evdev.h
diff --git a/ui/events/ozone/evdev/device_event_dispatcher_evdev.h b/ui/events/ozone/evdev/device_event_dispatcher_evdev.h
index 7d5e634eda19564109490aeb0f1c95166ccfd2d2..4bf3fdff838a620b56fd2882c11582f235c7e3b2 100644
--- a/ui/events/ozone/evdev/device_event_dispatcher_evdev.h
+++ b/ui/events/ozone/evdev/device_event_dispatcher_evdev.h
@@ -13,6 +13,7 @@
 #include "ui/events/event.h"
 #include "ui/events/event_constants.h"
 #include "ui/events/ozone/evdev/events_ozone_evdev_export.h"
+#include "ui/events/ozone/gamepad/gamepad_event.h"
 #include "ui/gfx/geometry/point_f.h"
 #include "ui/gfx/geometry/vector2d.h"
 #include "ui/gfx/geometry/vector2d_f.h"
@@ -165,6 +166,7 @@ class EVENTS_OZONE_EVDEV_EXPORT DeviceEventDispatcherEvdev {
   virtual void DispatchPinchEvent(const PinchEventParams& params) = 0;
   virtual void DispatchScrollEvent(const ScrollEventParams& params) = 0;
   virtual void DispatchTouchEvent(const TouchEventParams& params) = 0;
+  virtual void DispatchGamepadEvent(const GamepadEvent& event) = 0;
 
   // Device lifecycle events.
   virtual void DispatchKeyboardDevicesUpdated(
@@ -177,6 +179,8 @@ class EVENTS_OZONE_EVDEV_EXPORT DeviceEventDispatcherEvdev {
       const std::vector<InputDevice>& devices) = 0;
   virtual void DispatchDeviceListsComplete() = 0;
   virtual void DispatchStylusStateChanged(StylusState stylus_state) = 0;
+  virtual void DispatchGamepadDevicesUpdated(
+      const std::vector<InputDevice>& devices) = 0;
 };
 
 }  // namespace ui