[gnome-shell/uajain/adapt-user-avatar-part2: 81/84] authPrompt: Keep buttonWell and cancel button sizes in sync

[Georges Basile Stavracas Neto <gbsneto src gnome org>]

commit dea69bea259c8f2839411a3c60545dedc523d827
Author: Georges Basile Stavracas Neto <georges stavracas gmail com>
Date:   Thu Feb 6 17:51:18 2020 -0300

    authPrompt: Keep buttonWell and cancel button sizes in sync
    
    So that the entry is horizontally centralized at all times.
    
    https://gitlab.gnome.org/GNOME/gnome-shell/merge_requests/922

 js/gdm/authPrompt.js | 4 ++++
 1 file changed, 4 insertions(+)
---
diff --git a/js/gdm/authPrompt.js b/js/gdm/authPrompt.js
index f5650d3c4f..8aa592f4ca 100644
--- a/js/gdm/authPrompt.js
+++ b/js/gdm/authPrompt.js
@@ -176,6 +176,10 @@ var AuthPrompt = GObject.registerClass({
             x_align: Clutter.ActorAlign.END,
             y_align: Clutter.ActorAlign.CENTER,
         });
+        this._defaultButtonWell.add_constraint(new Clutter.BindConstraint({
+            source: this.cancelButton,
+            coordinate: Clutter.BindCoordinate.SIZE,
+        }));
         this._mainBox.add_child(this._defaultButtonWell);
 
         this._spinner = new Animation.Spinner(DEFAULT_BUTTON_WELL_ICON_SIZE);