GN: Get os="chromeos" use_ozone=true to compile

ui/events/ozone/BUILD.gn

 # 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.
 
 import("//build/config/features.gni")
 import("//build/config/ui.gni")
 
 component("events_ozone") {
   sources = [
     "device/device_event.cc",
@@ skipping 36 matching lines @@
     "evdev/event_converter_evdev.h",
     "evdev/event_converter_evdev_impl.cc",
     "evdev/event_converter_evdev_impl.h",
     "evdev/event_device_info.cc",
     "evdev/event_device_info.h",
     "evdev/event_factory_evdev.cc",
     "evdev/event_factory_evdev.h",
     "evdev/event_modifiers_evdev.cc",
     "evdev/event_modifiers_evdev.h",
     "evdev/events_ozone_evdev_export.h",
+    "evdev/keyboard_evdev.cc",
+    "evdev/keyboard_evdev.h",
     "evdev/touch_event_converter_evdev.cc",
     "evdev/touch_event_converter_evdev.h",
   ]
 
   defines = [
     "EVENTS_OZONE_EVDEV_IMPLEMENTATION",
   ]
 
   deps = [
     ":events_ozone",
@@ skipping 10 matching lines @@
   }
 
   if (use_ozone_evdev && use_evdev_gestures) {
     sources += [
       "evdev/libgestures_glue/event_reader_libevdev_cros.cc",
       "evdev/libgestures_glue/event_reader_libevdev_cros.h",
       "evdev/libgestures_glue/gesture_interpreter_libevdev_cros.cc",
       "evdev/libgestures_glue/gesture_interpreter_libevdev_cros.h",
       "evdev/libgestures_glue/gesture_logging.cc",
       "evdev/libgestures_glue/gesture_logging.h",
+      "evdev/libgestures_glue/gesture_property_provider.cc",
+      "evdev/libgestures_glue/gesture_property_provider.h",
       "evdev/libgestures_glue/gesture_timer_provider.cc",
       "evdev/libgestures_glue/gesture_timer_provider.h",
     ]
 
     defines += [
       "USE_EVDEV_GESTURES",
     ]
 
     configs += [
       "//build/config/linux:libevdev-cros",
       "//build/config/linux:libgestures",
     ]
   }
 }