Add palm suppression feature to EventConverterEvdev

ui/events/ozone/evdev/event_converter_evdev.h

Index: ui/events/ozone/evdev/event_converter_evdev.h
diff --git a/ui/events/ozone/evdev/event_converter_evdev.h b/ui/events/ozone/evdev/event_converter_evdev.h
index 58a4f6efa27a0208f172fb345f7463c38418f3e0..9f099f418d97be45d54dadceb407540887c16a31 100644
--- a/ui/events/ozone/evdev/event_converter_evdev.h
+++ b/ui/events/ozone/evdev/event_converter_evdev.h
@@ -22,6 +22,7 @@ struct input_event;
 
 namespace ui {
 enum class DomCode;
+class PalmSuppressionFilter;
 
 class EVENTS_OZONE_EVDEV_EXPORT EventConverterEvdev
     : public base::MessagePumpLibevent::Watcher {
@@ -77,6 +78,9 @@ class EVENTS_OZONE_EVDEV_EXPORT EventConverterEvdev
   // Returns true if the converter is used for a touchscreen device.
   virtual bool HasTouchscreen() const;
 
+  // Returns true if the converter is used for a pen device.
+  virtual bool HasPen() const;
+
   // Returns true if the converter is used for a device with a caps lock LED.
   virtual bool HasCapsLockLed() const;
 
@@ -99,6 +103,9 @@ class EVENTS_OZONE_EVDEV_EXPORT EventConverterEvdev
   // Update touch event logging state.
   virtual void SetTouchEventLoggingEnabled(bool enabled);
 
+  // Set palm suppression filter to use on this device. Can be set to nullptr.
+  virtual void SetPalmSuppressionFilter(PalmSuppressionFilter* palm_filter);
+
   // Helper to generate a base::TimeTicks from an input_event's time
   static base::TimeTicks TimeTicksFromInputEvent(const input_event& event);