Update Windows UI on system color changes.

ui/views/view.cc

Index: ui/views/view.cc
diff --git a/ui/views/view.cc b/ui/views/view.cc
index 43b7ba964d338d5c9cf24776f1630734f78ed3ee..dcc4869e13f28988dc03f13e8989985cf4a9ce3b 100644
--- a/ui/views/view.cc
+++ b/ui/views/view.cc
@@ -237,7 +237,7 @@ void View::AddChildViewAt(View* view, int index) {
     RegisterChildrenForVisibleBoundsNotification(view);
     const ui::NativeTheme* new_theme = widget->GetNativeTheme();
     if (new_theme != old_theme)
-      PropagateNativeThemeChanged(new_theme);
+      view->PropagateNativeThemeChanged(new_theme);
     if (view->visible())
       view->SchedulePaint();
   }
@@ -1616,6 +1616,14 @@ bool View::InDrag() {
   return widget ? widget->dragged_view() == this : false;
 }
 
+// NativeTheme -----------------------------------------------------------------
+
+void View::PropagateNativeThemeChanged(const ui::NativeTheme* theme) {
+  for (int i = 0, count = child_count(); i < count; ++i)
+    child_at(i)->PropagateNativeThemeChanged(theme);
+  OnNativeThemeChanged(theme);
+}
+
 // Debugging -------------------------------------------------------------------
 
 #if !defined(NDEBUG)
@@ -1880,12 +1888,6 @@ void View::ViewHierarchyChangedImpl(
   details.parent->needs_layout_ = true;
 }
 
-void View::PropagateNativeThemeChanged(const ui::NativeTheme* theme) {
-  for (int i = 0, count = child_count(); i < count; ++i)
-    child_at(i)->PropagateNativeThemeChanged(theme);
-  OnNativeThemeChanged(theme);
-}
-
 // Size and disposition --------------------------------------------------------
 
 void View::PropagateVisibilityNotifications(View* start, bool is_visible) {