[metacity/argb-frame: 3/7] window: remove frame from fullscreen windows

[Alberts Muktupāvels <muktupavels src gnome org>]

commit 7a7aaa338b89c0c66122958e7c6cb56322e73371
Author: Alberts Muktupāvels <alberts muktupavels gmail com>
Date:   Fri Feb 28 19:35:32 2020 +0200

    window: remove frame from fullscreen windows

 src/core/window.c | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)
---
diff --git a/src/core/window.c b/src/core/window.c
index b745cdd3..963e23a9 100644
--- a/src/core/window.c
+++ b/src/core/window.c
@@ -6963,16 +6963,14 @@ recalc_window_features (MetaWindow *window)
         window->has_fullscreen_func = FALSE;
     }
 
-  /* We leave fullscreen windows decorated, just push the frame outside
-   * the screen. This avoids flickering to unparent them.
-   *
-   * Note that setting has_resize_func = FALSE here must come after the
+  /* Note that setting has_resize_func = FALSE here must come after the
    * above code that may disable fullscreen, because if the window
    * is not resizable purely due to fullscreen, we don't want to
    * disable fullscreen mode.
    */
   if (window->fullscreen)
     {
+      window->decorated = FALSE;
       window->has_shade_func = FALSE;
       window->has_move_func = FALSE;
       window->has_resize_func = FALSE;