Refactor and push window properties up to class properties.

ui/base/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/buildflag_header.gni")
 import("//build/config/compiler/compiler.gni")
 import("//build/config/sanitizers/sanitizers.gni")
 import("//build/config/ui.gni")
 import("//testing/test.gni")
 import("//ui/base/ui_features.gni")
@@ skipping 49 matching lines @@
   output_name = "ui_base"
 
   sources = [
     "accelerators/menu_label_accelerator_util_linux.cc",
     "accelerators/menu_label_accelerator_util_linux.h",
     "accelerators/platform_accelerator.h",
     "accelerators/platform_accelerator_cocoa.h",
     "accelerators/platform_accelerator_cocoa.mm",
     "android/ui_base_jni_registrar.cc",
     "android/ui_base_jni_registrar.h",
+    "class_property.cc",
+    "class_property.h",
     "clipboard/clipboard_android.cc",
     "clipboard/clipboard_android.h",
     "clipboard/clipboard_mac.h",
     "clipboard/clipboard_mac.mm",
     "clipboard/clipboard_types.h",
     "clipboard/clipboard_util_mac.h",
     "clipboard/clipboard_util_mac.mm",
     "clipboard/clipboard_util_win.cc",
     "clipboard/clipboard_util_win.h",
     "clipboard/clipboard_win.cc",
@@ skipping 140 matching lines @@
     "models/table_model.h",
     "models/table_model_observer.h",
     "models/tree_model.cc",
     "models/tree_model.h",
     "models/tree_node_iterator.h",
     "models/tree_node_model.h",
     "nine_image_painter_factory.cc",
     "nine_image_painter_factory.h",
     "page_transition_types.cc",
     "page_transition_types.h",
+    "property_data.h",
     "resource/resource_bundle.cc",
     "resource/resource_bundle.h",
     "resource/resource_bundle_android.cc",
     "resource/resource_bundle_auralinux.cc",
     "resource/resource_bundle_ios.mm",
     "resource/resource_bundle_mac.mm",
     "resource/resource_bundle_win.cc",
     "resource/resource_bundle_win.h",
     "resource/resource_data_dll_win.cc",
     "resource/resource_data_dll_win.h",
@@ skipping 496 matching lines @@
     "test/data/data_pack_unittest/truncated-header.pak",
   ]
   outputs = [
     "{{bundle_resources_dir}}/" +
         "{{source_root_relative_dir}}/{{source_file_part}}",
   ]
 }
 
 test("ui_base_unittests") {
   sources = [
+    "class_property_unittest.cc",
     "clipboard/clipboard_mac_unittest.mm",
     "clipboard/clipboard_util_mac_unittest.mm",
     "l10n/l10n_util_mac_unittest.mm",
     "l10n/l10n_util_unittest.cc",
     "l10n/l10n_util_win_unittest.cc",
     "l10n/time_format_unittest.cc",
     "layout_unittest.cc",
     "material_design/material_design_controller_unittest.cc",
     "models/tree_node_iterator_unittest.cc",
     "resource/data_pack_literal.cc",
@@ skipping 218 matching lines @@
 if (is_mac) {
   mac_framework_bundle("ui_unittests_framework") {
     testonly = true
     deps = [
       "//ui/resources:ui_test_pak_bundle_data",
     ]
     info_plist = "test/framework-Info.plist"
     output_name = "ui_unittests Framework"
   }
 }