[gnome-shell/gnome-3-28] layout: Mark chrome container as NO_LAYOUT

[Marco Trevisan <marcotrevi src gnome org>]

commit b359b937e92968a8fc939d5fc25bf7b6430a22f2
Author: Carlos Garnacho <carlosg gnome org>
Date:   Fri Aug 10 19:37:48 2018 +0000

    layout: Mark chrome container as NO_LAYOUT
    
    Showing and hiding children does not affect the allocation of the uiGroup
    nor its other children. We can avoid full relayout/redraw in those
    situations.
    
    https://gitlab.gnome.org/GNOME/gnome-shell/merge_requests/197
    
    
    (cherry picked from commit 73d8c82640f6125cfbf80b791769a6e3903d6c0c)

 js/ui/layout.js | 1 +
 1 file changed, 1 insertion(+)
---
diff --git a/js/ui/layout.js b/js/ui/layout.js
index 6f810395d..8f08d3768 100644
--- a/js/ui/layout.js
+++ b/js/ui/layout.js
@@ -203,6 +203,7 @@ var LayoutManager = new Lang.Class({
 
         // Set up stage hierarchy to group all UI actors under one container.
         this.uiGroup = new Shell.GenericContainer({ name: 'uiGroup' });
+        this.uiGroup.set_flags(Clutter.ActorFlags.NO_LAYOUT);
         this.uiGroup.connect('allocate', (actor, box, flags) => {
             let children = actor.get_children();
             for (let i = 0; i < children.length; i++)