[gtk+] gtk-demo: Use max-content-height in the popover example

[Matthias Clasen <matthiasc src gnome org>]

commit 815cc23c4cad2664752965b1739bddbc28df1ab2
Author: Matthias Clasen <mclasen redhat com>
Date:   Sun Jun 19 23:07:17 2016 -0400

    gtk-demo: Use max-content-height in the popover example
    
    This is what the property was invented for.

 demos/gtk-demo/popover.c  |    3 ---
 demos/gtk-demo/popover.ui |    1 +
 2 files changed, 1 insertions(+), 3 deletions(-)
---
diff --git a/demos/gtk-demo/popover.c b/demos/gtk-demo/popover.c
index 94c376b..2b2ffda 100644
--- a/demos/gtk-demo/popover.c
+++ b/demos/gtk-demo/popover.c
@@ -51,9 +51,6 @@ create_complex_popover (GtkWidget       *parent,
   popover = create_popover (parent, content, GTK_POS_BOTTOM);
   g_object_unref (content);
 
-  gtk_widget_set_size_request (popover, 200, -1);
-  gtk_widget_set_vexpand (popover, TRUE);
-
   gtk_widget_set_margin_start (popover, 10);
   gtk_widget_set_margin_end (popover, 10);
   gtk_widget_set_margin_bottom (popover, 10);
diff --git a/demos/gtk-demo/popover.ui b/demos/gtk-demo/popover.ui
index 9042790..eee014b 100644
--- a/demos/gtk-demo/popover.ui
+++ b/demos/gtk-demo/popover.ui
@@ -59,6 +59,7 @@
             <property name="visible">1</property>
             <property name="can_focus">1</property>
             <property name="shadow_type">in</property>
+            <property name="max-content-height">100</property>
             <child>
               <object class="GtkTreeView" id="treeview1">
                 <property name="visible">1</property>