ozone: Remove the libevent message-pump.

ui/events/ozone/evdev/key_event_converter_evdev.cc

Index: ui/events/ozone/evdev/key_event_converter_evdev.cc
diff --git a/ui/events/ozone/evdev/key_event_converter_evdev.cc b/ui/events/ozone/evdev/key_event_converter_evdev.cc
index a982c60279dbaf2c50803ff45748c7ed88b07955..e17498c7e5e0d49d736a62b1dfaf0a7a37e7bca5 100644
--- a/ui/events/ozone/evdev/key_event_converter_evdev.cc
+++ b/ui/events/ozone/evdev/key_event_converter_evdev.cc
@@ -7,7 +7,7 @@
 #include <errno.h>
 #include <linux/input.h>
 
-#include "base/message_loop/message_pump_ozone.h"
+#include "base/message_loop/message_loop.h"
 #include "ui/events/event.h"
 #include "ui/events/keycodes/keyboard_codes.h"
 #include "ui/events/ozone/evdev/event_modifiers_evdev.h"
@@ -200,7 +200,7 @@ KeyEventConverterEvdev::~KeyEventConverterEvdev() {
 }
 
 void KeyEventConverterEvdev::Start() {
-  base::MessagePumpOzone::Current()->WatchFileDescriptor(
+  base::MessageLoopForUI::current()->WatchFileDescriptor(
       fd_, true, base::MessagePumpLibevent::WATCH_READ, &controller_, this);
 }