It is time.

ui/wm/BUILD.gn

Index: ui/wm/BUILD.gn
diff --git a/ui/wm/BUILD.gn b/ui/wm/BUILD.gn
deleted file mode 100644
index 186fb1186666a3495dcf822e64a9e6861cfc3aab..0000000000000000000000000000000000000000
--- a/ui/wm/BUILD.gn
+++ /dev/null
@@ -1,144 +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.
-
-component("wm") {
-  sources = [
-    "core/accelerator_delegate.h",
-    "core/accelerator_filter.cc",
-    "core/accelerator_filter.h",
-    "core/base_focus_rules.cc",
-    "core/base_focus_rules.h",
-    "core/capture_controller.cc",
-    "core/capture_controller.h",
-    "core/compound_event_filter.cc",
-    "core/compound_event_filter.h",
-    "core/coordinate_conversion.cc",
-    "core/coordinate_conversion.h",
-    "core/cursor_manager.cc",
-    "core/cursor_manager.h",
-    "core/default_activation_client.cc",
-    "core/default_activation_client.h",
-    "core/easy_resize_window_targeter.cc",
-    "core/easy_resize_window_targeter.h",
-    "core/focus_controller.cc",
-    "core/focus_controller.h",
-    "core/focus_rules.h",
-    "core/image_grid.cc",
-    "core/image_grid.h",
-    "core/input_method_event_filter.cc",
-    "core/input_method_event_filter.h",
-    "core/masked_window_targeter.cc",
-    "core/masked_window_targeter.h",
-    "core/native_cursor_manager.h",
-    "core/native_cursor_manager_delegate.h",
-    "core/nested_accelerator_dispatcher_linux.cc",
-    "core/nested_accelerator_dispatcher_win.cc",
-    "core/nested_accelerator_dispatcher.cc",
-    "core/nested_accelerator_dispatcher.h",
-    "core/nested_accelerator_delegate.h",
-    "core/nested_accelerator_controller.cc",
-    "core/nested_accelerator_controller.h",
-    "core/shadow.cc",
-    "core/shadow.h",
-    "core/shadow_controller.cc",
-    "core/shadow_controller.h",
-    "core/shadow_types.cc",
-    "core/shadow_types.h",
-    "core/transient_window_controller.cc",
-    "core/transient_window_controller.h",
-    "core/transient_window_manager.cc",
-    "core/transient_window_manager.h",
-    "core/transient_window_observer.h",
-    "core/transient_window_stacking_client.cc",
-    "core/transient_window_stacking_client.h",
-    "core/user_activity_detector.cc",
-    "core/user_activity_detector.h",
-    "core/user_activity_observer.h",
-    "core/visibility_controller.cc",
-    "core/visibility_controller.h",
-    "core/window_animations.cc",
-    "core/window_animations.h",
-    "core/window_modality_controller.cc",
-    "core/window_modality_controller.h",
-    "core/window_util.cc",
-    "core/window_util.h",
-    "core/wm_core_switches.cc",
-    "core/wm_core_switches.h",
-    "core/wm_state.cc",
-    "core/wm_state.h",
-    "wm_export.h",
-  ]
-
-  defines = [ "WM_IMPLEMENTATION" ]
-
-  deps = [
-    "//base",
-    "//skia",
-    "//ui/aura",
-    "//ui/base",
-    "//ui/compositor",
-    "//ui/events",
-    "//ui/events/platform",
-    "//ui/events:events_base",
-    "//ui/events/platform",
-    "//ui/gfx",
-    "//ui/gfx/geometry",
-    "//ui/resources",
-  ]
-}
-
-if (false) {
-  static_library("test_support") {
-    testonly = true
-    sources = [
-      "test/wm_test_helper.cc",
-      "test/wm_test_helper.h",
-    ]
-
-    deps = [
-      ":wm",
-      "//skia",
-      "//ui/aura",
-      "//ui/aura:test_support",
-      "//ui/base",
-      "//ui/events",
-      "//ui/events:events_base",
-    ]
-  }
-
-  test("wm_unittests") {
-    sources = [
-      "test/run_all_unittests.cc",
-      "core/compound_event_filter_unittest.cc",
-      "core/cursor_manager_unittest.cc",
-      "core/focus_controller_unittest.cc",
-      "core/input_method_event_filter_unittest.cc",
-      "core/image_grid_unittest.cc",
-      "core/nested_accelerator_controller_unittest.cc",
-      "core/shadow_controller_unittest.cc",
-      "core/transient_window_manager_unittest.cc",
-      "core/transient_window_stacking_client_unittest.cc",
-      "core/user_activity_detector_unittest.cc",
-      "core/visibility_controller_unittest.cc",
-      "core/window_animations_unittest.cc",
-    ]
-
-    deps = [
-      ":test_support",
-      ":wm",
-      "//base",
-      "//base/test:test_support",
-      "//skia",
-      "//testing/gtest",
-      "//ui/aura:test_support",
-      "//ui/base:test_support",
-      "//ui/compositor:test_support",
-      "//ui/events:test_support",
-      "//ui/events/platform",
-      "//ui/gfx",
-      "//ui/gfx/geometry",
-      "//ui/gl",
-    ]
-  }
-}  # if (false)