ozone: evdev: Add libgestures bindings for touchpad & mouse support

ui/events/ozone/evdev/event_converter_evdev.cc

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "ui/events/ozone/evdev/event_converter_evdev.h"
 
 #include "ui/events/event.h"
 #include "ui/events/ozone/event_factory_ozone.h"
 
 namespace ui {
 
 EventConverterEvdev::EventConverterEvdev() {}
 
+EventConverterEvdev::EventConverterEvdev(const EventDispatchCallback& callback)
+    : dispatch_callback_(callback) {}
+
 EventConverterEvdev::~EventConverterEvdev() {}
 
 void EventConverterEvdev::DispatchEventToCallback(ui::Event* event) {
   dispatch_callback_.Run(event);
 }
 
 }  // namespace ui