[gnome-builder] counters: add counter for source view instances

[Christian Hergert <chergert src gnome org>]

commit bf579df4d504f302f729c5f679d520348e8a6488
Author: Christian Hergert <christian hergert me>
Date:   Thu Sep 17 01:05:08 2015 -0700

    counters: add counter for source view instances
    
    This helps comparing active buffers to source view instances. Useful.

 libide/ide-source-view.c |    6 ++++++
 1 files changed, 6 insertions(+), 0 deletions(-)
---
diff --git a/libide/ide-source-view.c b/libide/ide-source-view.c
index 8533201..179e830 100644
--- a/libide/ide-source-view.c
+++ b/libide/ide-source-view.c
@@ -21,6 +21,7 @@
 #include <glib/gi18n.h>
 #include <stdlib.h>
 #include "egg-binding-group.h"
+#include "egg-counter.h"
 #include "egg-signal-group.h"
 
 #include "egg-animation.h"
@@ -167,6 +168,7 @@ typedef struct
 } SearchMovement;
 
 G_DEFINE_TYPE_WITH_PRIVATE (IdeSourceView, ide_source_view, GTK_SOURCE_TYPE_VIEW)
+EGG_DEFINE_COUNTER (instances, "IdeSourceView", "Instances", "Number of IdeSourceView instances")
 
 enum {
   PROP_0,
@@ -5066,6 +5068,8 @@ ide_source_view_finalize (GObject *object)
   g_clear_pointer (&priv->selections, g_queue_free);
   g_clear_pointer (&priv->snippets, g_queue_free);
 
+  EGG_COUNTER_DEC (instances);
+
   G_OBJECT_CLASS (ide_source_view_parent_class)->finalize (object);
 }
 
@@ -6042,6 +6046,8 @@ ide_source_view_init (IdeSourceView *self)
   GtkSourceCompletion *completion;
   GtkTargetList *target_list;
 
+  EGG_COUNTER_INC (instances);
+
   priv->target_line_offset = -1;
   priv->snippets = g_queue_new ();
   priv->selections = g_queue_new ();