[win] Create ModuleDatabase and ModuleEventSinkImpl.

chrome/test/BUILD.gn

Index: chrome/test/BUILD.gn
diff --git a/chrome/test/BUILD.gn b/chrome/test/BUILD.gn
index 3320e3cca52cb69f9397bd25eff636fb8893cac3..fc4aa7fa976eaf01bf2f91c9b62d0bdc23c2d062 100644
--- a/chrome/test/BUILD.gn
+++ b/chrome/test/BUILD.gn
@@ -3074,6 +3074,8 @@ test("unit_tests") {
     "../browser/component_updater/subresource_filter_component_installer_unittest.cc",
     "../browser/component_updater/supervised_user_whitelist_installer_unittest.cc",
     "../browser/component_updater/sw_reporter_installer_win_unittest.cc",
+    "../browser/conflicts/module_database_win_unittest.cc",
+    "../browser/conflicts/module_event_sink_impl_win_unittest.cc",
     "../browser/content_settings/content_settings_default_provider_unittest.cc",
     "../browser/content_settings/content_settings_mock_observer.cc",
     "../browser/content_settings/content_settings_mock_observer.h",