ozone: evdev: Add gamepad support

ui/events/devices/device_data_manager.h

Index: ui/events/devices/device_data_manager.h
diff --git a/ui/events/devices/device_data_manager.h b/ui/events/devices/device_data_manager.h
index 01e62aa98a7ad2874cd5e04494df60ae417bc854..e84e97501667ba7067ea6d98c4b90462a7bcf158 100644
--- a/ui/events/devices/device_data_manager.h
+++ b/ui/events/devices/device_data_manager.h
@@ -59,6 +59,7 @@ class EVENTS_DEVICES_EXPORT DeviceDataManager
   const std::vector<InputDevice>& GetKeyboardDevices() const override;
   const std::vector<InputDevice>& GetMouseDevices() const override;
   const std::vector<InputDevice>& GetTouchpadDevices() const override;
+  const std::vector<InputDevice>& GetGamepadDevices() const override;
   bool AreDeviceListsComplete() const override;
   bool AreTouchscreensEnabled() const override;
 
@@ -81,6 +82,8 @@ class EVENTS_DEVICES_EXPORT DeviceDataManager
       const std::vector<InputDevice>& devices) override;
   void OnTouchpadDevicesUpdated(
       const std::vector<InputDevice>& devices) override;
+  void OnGamepadDevicesUpdated(
+      const std::vector<InputDevice>& devices) override;
   void OnDeviceListsComplete() override;
   void OnStylusStateChanged(StylusState state) override;
 
@@ -105,6 +108,7 @@ class EVENTS_DEVICES_EXPORT DeviceDataManager
   void NotifyObserversKeyboardDeviceConfigurationChanged();
   void NotifyObserversMouseDeviceConfigurationChanged();
   void NotifyObserversTouchpadDeviceConfigurationChanged();
+  void NotifyObserversGamepadDeviceConfigurationChanged();
   void NotifyObserversDeviceListsComplete();
   void NotifyObserversStylusStateChanged(StylusState stylus_state);
 
@@ -112,6 +116,7 @@ class EVENTS_DEVICES_EXPORT DeviceDataManager
   std::vector<InputDevice> keyboard_devices_;
   std::vector<InputDevice> mouse_devices_;
   std::vector<InputDevice> touchpad_devices_;
+  std::vector<InputDevice> gamepad_devices_;
   bool device_lists_complete_ = false;
 
   base::ObserverList<InputDeviceEventObserver> observers_;