It is time.

ui/ozone/platform/dri/gbm.gypi

Index: ui/ozone/platform/dri/gbm.gypi
diff --git a/ui/ozone/platform/dri/gbm.gypi b/ui/ozone/platform/dri/gbm.gypi
deleted file mode 100644
index 088ecce77503062173c067a1273bade4e897964f..0000000000000000000000000000000000000000
--- a/ui/ozone/platform/dri/gbm.gypi
+++ /dev/null
@@ -1,50 +0,0 @@
-# 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.
-
-{
-  'variables': {
-    'internal_ozone_platform_deps': [
-      'ozone_platform_gbm',
-    ],
-    'internal_ozone_platforms': [
-      'gbm',
-    ],
-  },
-  'targets': [
-    {
-      'target_name': 'ozone_platform_gbm',
-      'type': 'static_library',
-      'dependencies': [
-        '../../base/base.gyp:base',
-        '../../build/linux/system.gyp:libdrm',
-        '../../build/linux/system.gyp:gbm',
-        '../../skia/skia.gyp:skia',
-        '../../third_party/khronos/khronos.gyp:khronos_headers',
-        '../base/ui_base.gyp:ui_base',
-        '../events/events.gyp:events',
-        '../events/ozone/events_ozone.gyp:events_ozone',
-        '../gfx/gfx.gyp:gfx',
-      ],
-      'defines': [
-        'OZONE_IMPLEMENTATION',
-      ],
-      'sources': [
-        'gbm_buffer.cc',
-        'gbm_buffer.h',
-        'gbm_buffer_base.cc',
-        'gbm_buffer_base.h',
-        'gbm_surface.cc',
-        'gbm_surface.h',
-        'gbm_surfaceless.cc',
-        'gbm_surfaceless.h',
-        'gbm_surface_factory.cc',
-        'gbm_surface_factory.h',
-        'native_display_delegate_proxy.cc',
-        'native_display_delegate_proxy.h',
-        'ozone_platform_gbm.cc',
-        'ozone_platform_gbm.h',
-      ],
-    },
-  ],
-}