Fixes problems with drawn state

components/mus/public/cpp/lib/window_private.h

Index: components/mus/public/cpp/lib/window_private.h
diff --git a/components/mus/public/cpp/lib/window_private.h b/components/mus/public/cpp/lib/window_private.h
index e042035fd38cae0d7c809ddd49c8a95c4a9b65ce..3974a9daff80e23c0a410199b3bf9584e0272706 100644
--- a/components/mus/public/cpp/lib/window_private.h
+++ b/components/mus/public/cpp/lib/window_private.h
@@ -35,8 +35,8 @@ class WindowPrivate {
 
   void set_visible(bool visible) { window_->visible_ = visible; }
 
-  void set_drawn(bool drawn) { window_->drawn_ = drawn; }
-  bool drawn() { return window_->drawn_; }
+  void set_parent_drawn(bool drawn) { window_->parent_drawn_ = drawn; }
+  bool parent_drawn() { return window_->parent_drawn_; }
 
   void set_id(Id id) { window_->id_ = id; }
 
@@ -75,7 +75,7 @@ class WindowPrivate {
       const std::vector<gfx::Rect>& additional_client_areas) {
     window_->LocalSetClientArea(client_area, additional_client_areas);
   }
-  void LocalSetDrawn(bool drawn) { window_->LocalSetDrawn(drawn); }
+  void LocalSetParentDrawn(bool drawn) { window_->LocalSetParentDrawn(drawn); }
   void LocalSetVisible(bool visible) { window_->LocalSetVisible(visible); }
   void LocalSetPredefinedCursor(mojom::Cursor cursor) {
     window_->LocalSetPredefinedCursor(cursor);