Resourced strings for registering chrome

xpinstall/res/locale/en-US/xpinstall.properties

@@ -51,6 +51,10 @@ Patch=Patching: %s
 
 Uninstall=Uninstalling: %s
 
+RegSkin=Register Skin: %s
+RegLocale=Register Locale: %s
+RegContent=Register Content: %s
+RegPackage=Register Package: %s
 
 #--------------------------------------------------------------------
 #   Dialog Messages