ozone: evdev: Add gamepad support

ui/events/ozone/events_ozone.cc

 // Copyright (c) 2013 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/events_ozone.h"
 
 #include "ui/events/event.h"
 
 namespace ui {
 
@@ skipping 12 matching lines @@
   } else if (native_ui_event->IsTouchEvent()) {
     ui::TouchEvent touch_event(native_event);
     callback.Run(&touch_event);
   } else if (native_ui_event->IsScrollEvent()) {
     ui::ScrollEvent scroll_event(native_event);
     callback.Run(&scroll_event);
   } else if (native_ui_event->IsGestureEvent()) {
     callback.Run(native_ui_event);
     // TODO(mohsen): Use the same pattern for scroll/touch/wheel events.
     // Apparently, there is no need for them to wrap the |native_event|.
+  } else if (native_ui_event->IsGamepadEvent()) {
+    callback.Run(native_ui_event);
   } else {
     NOTREACHED();
   }
 }
 
 }  // namespace ui