[gtk+] treeview: Stop rendering focus outline

[Timm Bäder <baedert src gnome org>]

commit 9a68c068a8e1cb9b4bc39d88469c7251ff02ff7d
Author: Timm Bäder <mail baedert org>
Date:   Mon Jan 8 16:36:44 2018 +0100

    treeview: Stop rendering focus outline
    
    This is done on a widget-level via css these days.

 gtk/gtktreeview.c |   26 +-------------------------
 1 files changed, 1 insertions(+), 25 deletions(-)
---
diff --git a/gtk/gtktreeview.c b/gtk/gtktreeview.c
index e7a34db..7620d22 100644
--- a/gtk/gtktreeview.c
+++ b/gtk/gtktreeview.c
@@ -4476,27 +4476,6 @@ invalidate_empty_focus (GtkTreeView *tree_view)
   gtk_widget_queue_draw (GTK_WIDGET (tree_view));
 }
 
-/* Draws background and a focus rectangle near the edge of the bin_window;
- * used when the tree is empty.
- */
-static void
-snapshot_empty (GtkTreeView *tree_view,
-                GtkSnapshot *snapshot)
-{
-  GtkWidget *widget = GTK_WIDGET (tree_view);
-  GtkStyleContext *context;
-
-  context = gtk_widget_get_style_context (widget);
-
-  if (gtk_widget_has_visible_focus (widget))
-    {
-      gtk_snapshot_render_focus (snapshot, context,
-                                 0, 0,
-                                 gtk_widget_get_width (widget),
-                                 gtk_widget_get_height (widget));
-    }
-}
-
 typedef enum {
   GTK_TREE_VIEW_GRID_LINE,
   GTK_TREE_VIEW_TREE_LINE,
@@ -4657,10 +4636,7 @@ gtk_tree_view_bin_snapshot (GtkWidget   *widget,
   context = gtk_widget_get_style_context (widget);
 
   if (tree_view->priv->tree == NULL)
-    {
-      snapshot_empty (tree_view, snapshot);
-      return;
-    }
+    return;
 
   bin_window_width = gtk_widget_get_width (GTK_WIDGET (tree_view));
   bin_window_height = gtk_widget_get_height(GTK_WIDGET (tree_view));