[gtk+/gtk-3-22] Widget: Remove obsolete hack-arounds for HandleBox

[Daniel Boles <dboles src gnome org>]

commit 12805a4fbfa66b10efbe48c03595b0d5b7608d0e
Author: Daniel Boles <dboles src gnome org>
Date:   Mon Aug 7 16:54:20 2017 +0100

    Widget: Remove obsolete hack-arounds for HandleBox
    
    It is long gone. The commit c9d9db0fcc8f29ab014c1e0b4b0b4f269f22f99c
    identified these as ugly-but-functional workarounds for it, only.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=776909

 gtk/gtkwidget.c |    9 ---------
 1 files changed, 0 insertions(+), 9 deletions(-)
---
diff --git a/gtk/gtkwidget.c b/gtk/gtkwidget.c
index ced572d..56b6ce0 100644
--- a/gtk/gtkwidget.c
+++ b/gtk/gtkwidget.c
@@ -6321,9 +6321,6 @@ gtk_widget_translate_coordinates (GtkWidget  *src_widget,
       src_y = dy;
 
       window = gdk_window_get_effective_parent (window);
-
-      if (!window)             /* Handle GtkHandleBox */
-       return FALSE;
     }
 
   /* And back */
@@ -6333,12 +6330,6 @@ gtk_widget_translate_coordinates (GtkWidget  *src_widget,
       dest_list = g_list_prepend (dest_list, window);
 
       window = gdk_window_get_effective_parent (window);
-
-      if (!window)             /* Handle GtkHandleBox */
-        {
-          g_list_free (dest_list);
-          return FALSE;
-        }
     }
 
   while (dest_list)