Avoiding unnecessary repeated checks of navigator.userAgent. The constants added here should not be used outside the library. In the future, they should be removed from the library. r=ahocevar (closes #2911)

git-svn-id: http://svn.openlayers.org/trunk/openlayers@10868 dc9f47b5-9b13-0410-9fdd-eb0c1a62fdaf

tests/BaseTypes/Element.html

@@ -212,7 +212,7 @@
         style = "chickenHead";
         t.ok(OpenLayers.Element.getStyle(elem, style) == null, "get style on 'auto' style returns null");
 
-        if (OpenLayers.Util.getBrowserName() == "opera") {
+        if (OpenLayers.BROWSER_NAME == "opera") {
             elem.style.top = "15px";
             style = "top";