ozone: evdev: Minor refactor of device open

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 f968c7a047ce5779a3fb25dfeed4ef380c7b52c9..fc1203719189b1190e11670c78d0addbae2a4acd 100644
--- a/ui/events/ozone/evdev/event_converter_evdev.h
+++ b/ui/events/ozone/evdev/event_converter_evdev.h
@@ -8,15 +8,12 @@
 #include "base/callback.h"
 #include "base/files/file_path.h"
 #include "base/message_loop/message_loop.h"
+#include "ui/events/ozone/evdev/event_dispatch_callback.h"
 #include "ui/events/ozone/evdev/events_ozone_evdev_export.h"
 #include "ui/gfx/geometry/size.h"
 
 namespace ui {
 
-class Event;
-
-typedef base::Callback<void(Event*)> EventDispatchCallback;
-
 class EVENTS_OZONE_EVDEV_EXPORT EventConverterEvdev
     : public base::MessagePumpLibevent::Watcher {
  public:
@@ -25,6 +22,8 @@ class EVENTS_OZONE_EVDEV_EXPORT EventConverterEvdev
 
   int id() const { return id_; }
 
+  const base::FilePath& path() { return path_; }
+
   // Start reading events.
   void Start();