chromium dark chromium dark chromium dark chromium dark chromium dark chromium dark chromium da

home-manager/data/chromium-dark.patch

@@ -0,0 +1,34 @@
+diff --git a/ui/gtk/native_theme_gtk.cc b/ui/gtk/native_theme_gtk.cc
+index 4afa399..fbaaf06e 100644
+--- a/ui/gtk/native_theme_gtk.cc
++++ b/ui/gtk/native_theme_gtk.cc
+@@ -116,6 +116,13 @@
+   ui::ColorProviderManager::Get().AppendColorProviderInitializer(
+       base::BindRepeating(AddGtkNativeCoreColorMixer));
+ 
++  // Add the web native theme as an observer to stay in sync with dark mode,
++  // high contrast, and preferred color scheme changes.
++  color_scheme_observer_ =
++      std::make_unique<NativeTheme::ColorSchemeNativeThemeObserver>(
++          NativeTheme::GetInstanceForWeb());
++  AddObserver(color_scheme_observer_.get());
++
+   OnThemeChanged(gtk_settings_get_default(), nullptr);
+ }
+ 
+diff --git a/ui/gtk/native_theme_gtk.h b/ui/gtk/native_theme_gtk.h
+index 876a738..ad3b88d41 100644
+--- a/ui/gtk/native_theme_gtk.h
++++ b/ui/gtk/native_theme_gtk.h
+@@ -93,6 +93,11 @@
+   mutable absl::optional<SkColor> color_cache_[kColorId_NumColors];
+ 
+   ScopedCssProvider theme_css_override_;
++
++  // Used to notify the web native theme of changes to dark mode, high
++  // contrast, and preferred color scheme.
++  std::unique_ptr<NativeTheme::ColorSchemeNativeThemeObserver>
++      color_scheme_observer_;
+ };
+ 
+ }  // namespace gtk

home-manager/modules/ezpcusr.nix

@@ -573,8 +573,10 @@ in
 
     programs.chromium = {
       enable = lib.mkDefault true;
-      package = lib.mkDefault (pkgs.ungoogled-chromium.override {
-        commandLineArgs = "--enable-features=UseOzonePlatform --ozone-platform=wayland";
+      package = lib.mkDefault ((pkgs.ungoogled-chromium.overrideAttrs (old: {
+        patches = [ ../data/chromium-dark.patch ];
+      })).override {
+        commandLineArgs = "--enable-features=UseOzonePlatform,WebUIDarkMode --ozone-platform=wayland --force-dark-mode";
       });
     };