Add generic mapping for gamepad

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/linux/pkg_config.gni")
 import("//build/config/ui.gni")
 import("//ui/base/ui_features.gni")
 
 declare_args() {
@@ skipping 111 matching lines @@
       "evdev/touch_filter/single_position_touch_noise_filter.cc",
       "evdev/touch_filter/single_position_touch_noise_filter.h",
       "evdev/touch_filter/touch_filter.h",
       "gamepad/gamepad_event.cc",
       "gamepad/gamepad_event.h",
       "gamepad/gamepad_mapping.cc",
       "gamepad/gamepad_mapping.h",
       "gamepad/gamepad_observer.h",
       "gamepad/gamepad_provider_ozone.cc",
       "gamepad/gamepad_provider_ozone.h",
+      "gamepad/generic_gamepad_mapping.cc",
+      "gamepad/generic_gamepad_mapping.h",
+      "gamepad/static_gamepad_mapping.cc",
+      "gamepad/static_gamepad_mapping.h",
       "gamepad/webgamepad_constants.h",
     ]
 
     defines = [ "EVENTS_OZONE_EVDEV_IMPLEMENTATION" ]
 
     deps = [
       ":events_ozone",
       ":events_ozone_layout",
       "//base",
       "//ui/display",
@@ skipping 63 matching lines @@
       "layout/xkb/xkb_evdev_codes.cc",
       "layout/xkb/xkb_evdev_codes.h",
       "layout/xkb/xkb_key_code_converter.h",
       "layout/xkb/xkb_keyboard_layout_engine.cc",
       "layout/xkb/xkb_keyboard_layout_engine.h",
     ]
 
     deps += [ "//ui/events/keycodes:xkb" ]
   }
 }