[metacity] stack-tracker: add some more debug output

[Alberts Muktupāvels <muktupavels src gnome org>]

commit f3c5d23666bc1877fb25260e99406fd1c3ee9a6f
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 897f7ba..e2239d9 100644
--- a/src/core/stack-tracker.c
+++ b/src/core/stack-tracker.c
@@ -577,6 +577,8 @@ stack_tracker_verify_predictions (MetaStackTracker *tracker,
   GArray *predicted_stack;
   gboolean modified_stack = FALSE;
 
+  meta_topic (META_DEBUG_STACK, "Verifying predictions:\n");
+
   if (tracker->unverified_predictions->length)
     {
       GList *l;
@@ -596,6 +598,9 @@ 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: