remove Control.KeyboardDefaults::destroy method: handler destroy already done in the parent class. r=bartvde (closes #3155)

git-svn-id: http://svn.openlayers.org/trunk/openlayers@11678 dc9f47b5-9b13-0410-9fdd-eb0c1a62fdaf

lib/OpenLayers/Control/KeyboardDefaults.js

@@ -38,18 +38,6 @@ OpenLayers.Control.KeyboardDefaults = OpenLayers.Class(OpenLayers.Control, {
      * Constructor: OpenLayers.Control.KeyboardDefaults
      */
         
-    /**
-     * APIMethod: destroy
-     */
-    destroy: function() {
-        if (this.handler) {
-            this.handler.destroy();
-        }        
-        this.handler = null;
-        
-        OpenLayers.Control.prototype.destroy.apply(this, arguments);
-    },
-    
     /**
      * Method: draw
      * Create handler.

tests/Control/KeyboardDefaults.html

@@ -12,6 +12,18 @@
         t.eq( control.displayClass,  "olControlKeyboardDefaults", "displayClass is correct" );
     }
 
+    function test_Control_KeyboardDefaults_destroy (t) {
+        t.plan(2);
+    
+        map = new OpenLayers.Map('map');
+        var control = new OpenLayers.Control.KeyboardDefaults();
+        map.addControl(control);
+        t.ok(control.handler != null, "control.handler is created");
+        control.destroy();
+        t.ok(control.handler == null, "control.handler is null after destroy");
+        map.destroy();
+    }
+
     function test_Control_KeyboardDefaults_addControl (t) {
         t.plan( 4 );