[mutter] stack-tracker: Add some more debug output

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

commit e4235376d8ab611c6eb469f688c10aa79f436bd2
Author: Jasper St. Pierre <jstpierre mecheye net>
Date:   Thu Jul 10 16:13:02 2014 -0400

    stack-tracker: Add some more debug output

 src/core/stack-tracker.c |    5 +++++
 1 files changed, 5 insertions(+), 0 deletions(-)
---
diff --git a/src/core/stack-tracker.c b/src/core/stack-tracker.c
index 115e385..04b078d 100644
--- a/src/core/stack-tracker.c
+++ b/src/core/stack-tracker.c
@@ -726,6 +726,8 @@ stack_tracker_verify_predictions (MetaStackTracker *tracker,
    * passed to this api. */
   g_return_val_if_fail (op->any.window.any.type == META_WINDOW_CLIENT_TYPE_X11, FALSE);
 
+  meta_topic (META_DEBUG_STACK, "Verifying predictions:\n");
+
   if (tracker->unverified_predictions->length)
     {
       GList *l;
@@ -745,6 +747,9 @@ stack_tracker_verify_predictions (MetaStackTracker *tracker,
   else
     predicted_stack = tracker->verified_stack;
 
+  meta_topic (META_DEBUG_STACK, "  predicted_stack: ");
+  stack_dump (predicted_stack);
+
   switch (op->any.type)
     {
     case STACK_OP_ADD: