fix for #800 - the mergeNewParams function is now simplified. the only time it need be overridden now is in WMS, which mandates that all parameters should be uppercased. thanks for the review and the added test, tim.

git-svn-id: http://svn.openlayers.org/trunk/openlayers@3584 dc9f47b5-9b13-0410-9fdd-eb0c1a62fdaf

lib/OpenLayers/Layer/MapServer/Untiled.js

@@ -243,20 +243,7 @@ OpenLayers.Layer.MapServer.Untiled.prototype =
         OpenLayers.Layer.HTTPRequest.prototype.setUrl.apply(this, arguments);
         this.redraw();
     },
-
-    /** 
-     * APIMethod: mergeNewParams
-     * Once HTTPRequest has updated new params, reload the image div
-     *
-     * Parameters:
-     * newParams - {Object} 
-     */
-    mergeNewParams:function(newParams) {
-        OpenLayers.Layer.HTTPRequest.prototype.mergeNewParams.apply(this, 
-                                                                 [newParams]);
-        this.redraw();
-    },
-    
+   
     /** 
     * APIMethod: getFullRequestString
     * combine the layer's url with its params and these newParams.