ozone/platform/wayland: Add support for wl_output_interface

ui/ozone/platform/wayland/wayland.gypi

 # Copyright 2016 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.
 
 {
   'variables': {
     'internal_ozone_platform_deps': [
       'ozone_platform_wayland',
     ],
     'internal_ozone_platform_unittest_deps': [
@@ skipping 25 matching lines @@
         'client_native_pixmap_factory_wayland.cc',
         'client_native_pixmap_factory_wayland.h',
         'ozone_platform_wayland.cc',
         'ozone_platform_wayland.h',
         'wayland_display.cc',
         'wayland_display.h',
         'wayland_object.cc',
         'wayland_object.h',
         'wayland_pointer.cc',
         'wayland_pointer.h',
+        'wayland_screen.cc',
+        'wayland_screen.h',
         'wayland_surface_factory.cc',
         'wayland_surface_factory.h',
         'wayland_window.cc',
         'wayland_window.h',
       ],
       'conditions': [
         ['use_wayland_egl==1', {
           'defines': [
             'USE_WAYLAND_EGL',
           ],
@@ skipping 38 matching lines @@
           'wayland_pointer_unittest.cc',
           'wayland_surface_factory_unittest.cc',
           'wayland_test.cc',
           'wayland_test.h',
           'wayland_window_unittest.cc',
         ],
       },
     },
   ],
 }