[gnome-control-center] info: Use 'content' style for listboxes

[Robert Ancell <rancell src gnome org>]

commit 8318d94e2f39910b0e563e68b5c9d51efeb1c7c1
Author: Mohammed Sadiq <sadiq sadiqpk org>
Date:   Fri Mar 19 16:27:47 2021 +0530

    info: Use 'content' style for listboxes
    
    Which results in rounded corners for the list box, which matches
    the latest design.

 panels/info-overview/cc-info-overview-panel.c  | 2 --
 panels/info-overview/cc-info-overview-panel.ui | 6 +++---
 2 files changed, 3 insertions(+), 5 deletions(-)
---
diff --git a/panels/info-overview/cc-info-overview-panel.c b/panels/info-overview/cc-info-overview-panel.c
index a2cb70755..f5c5ad7ea 100644
--- a/panels/info-overview/cc-info-overview-panel.c
+++ b/panels/info-overview/cc-info-overview-panel.c
@@ -915,8 +915,6 @@ static void
 cc_info_overview_panel_init (CcInfoOverviewPanel *self)
 {
   gtk_widget_init_template (GTK_WIDGET (self));
-  gtk_list_box_set_header_func (self->hardware_box, cc_list_box_update_header_func, NULL, NULL);
-  gtk_list_box_set_header_func (self->os_box, cc_list_box_update_header_func, NULL, NULL);
 
   g_resources_register (cc_info_overview_get_resource ());
 
diff --git a/panels/info-overview/cc-info-overview-panel.ui b/panels/info-overview/cc-info-overview-panel.ui
index 2f5d3cf8b..3fb1599f4 100644
--- a/panels/info-overview/cc-info-overview-panel.ui
+++ b/panels/info-overview/cc-info-overview-panel.ui
@@ -41,7 +41,7 @@
                     <property name="selection-mode">none</property>
                     <signal name="row-activated" handler="cc_info_panel_row_activated_cb" swapped="yes"/>
                     <style>
-                      <class name="frame" />
+                      <class name="content" />
                     </style>
 
                     <!-- Device name -->
@@ -62,7 +62,7 @@
                     <property name="visible">True</property>
                     <property name="selection-mode">none</property>
                     <style>
-                      <class name="frame" />
+                      <class name="content" />
                     </style>
 
                     <!-- Hardware Model -->
@@ -120,7 +120,7 @@
                     <property name="selection-mode">none</property>
                     <signal name="row-activated" handler="cc_info_panel_row_activated_cb" swapped="yes"/>
                     <style>
-                      <class name="frame" />
+                      <class name="content" />
                     </style>
 
                     <!-- OS Name -->