Allow the currently registered ChatFilters to be retrieved.

git-svn-id: svn+ssh://src.earth.threerings.net/narya/trunk@4904 542714f4-19e9-0310-aa3c-eee0fc999fb1

src/as/com/threerings/crowd/chat/client/ChatDirector.as

@@ -143,6 +143,18 @@ public class ChatDirector extends BasicDirector
         _filters.remove(filter);
     }
 
+    /**
+     * Get all registered chat Filters.
+     */
+    public function getChatFilters () :Array
+    {
+        var filters :Array = [];
+        _filters.apply(function (observer :ChatFilter) :void {
+            filters.push(observer);
+        });
+        return filters;
+    }
+
     /**
      * Adds an observer that watches the chatters list, and updates it immediately.
      */