[mutter] window: Kill off a now-unnecessary state variable

[Jasper St. Pierre <jstpierre src gnome org>]

commit 879407c10c517ff7d20ed7e86af72ffcadaa5906
Author: Jasper St. Pierre <jstpierre mecheye net>
Date:   Wed Aug 13 18:23:22 2014 -0400

    window: Kill off a now-unnecessary state variable

 src/core/window-private.h |    3 ---
 src/core/window.c         |    1 -
 src/x11/window-props.c    |    8 ++------
 3 files changed, 2 insertions(+), 10 deletions(-)
---
diff --git a/src/core/window-private.h b/src/core/window-private.h
index 3c75dd1..ee014ac 100644
--- a/src/core/window-private.h
+++ b/src/core/window-private.h
@@ -329,9 +329,6 @@ struct _MetaWindow
    */
   guint calc_placement : 1;
 
-  /* Transient parent is a root window */
-  guint transient_parent_is_root_window : 1;
-
   /* if TRUE, window was maximized at start of current grab op */
   guint shaken_loose : 1;
 
diff --git a/src/core/window.c b/src/core/window.c
index 1dbd120..2a45f95 100644
--- a/src/core/window.c
+++ b/src/core/window.c
@@ -933,7 +933,6 @@ _meta_window_shared_new (MetaDisplay         *display,
 
   window->xtransient_for = None;
   window->xclient_leader = None;
-  window->transient_parent_is_root_window = FALSE;
 
   window->type = META_WINDOW_NORMAL;
 
diff --git a/src/x11/window-props.c b/src/x11/window-props.c
index b76f6de..79cc890 100644
--- a/src/x11/window-props.c
+++ b/src/x11/window-props.c
@@ -1604,16 +1604,12 @@ reload_transient_for (MetaWindow    *window,
 
   window->xtransient_for = transient_for;
 
-  window->transient_parent_is_root_window =
-    window->xtransient_for == window->screen->xroot;
-
   if (window->xtransient_for != None)
-    meta_verbose ("Window %s transient for 0x%lx (root = %d)\n", window->desc,
-        window->xtransient_for, window->transient_parent_is_root_window);
+    meta_verbose ("Window %s transient for 0x%lx\n", window->desc, window->xtransient_for);
   else
     meta_verbose ("Window %s is not transient\n", window->desc);
 
-  if (window->transient_parent_is_root_window || window->xtransient_for == None)
+  if (window->xtransient_for == None || window->xtransient_for == window->screen->xroot)
     meta_window_set_transient_for (window, NULL);
   else
     {