diff -r 000000000000 -r 6474c204b198 addon-sdk/source/lib/sdk/tabs/common.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/addon-sdk/source/lib/sdk/tabs/common.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,29 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+'use strict';
+
+const { validateOptions } = require('../deprecated/api-utils');
+
+function Options(options) {
+  if ('string' === typeof options)
+    options = { url: options };
+
+  return validateOptions(options, {
+    url: { is: ["string"] },
+    inBackground: {
+      map: function(v) !!v,
+      is: ["undefined", "boolean"]
+    },
+    isPinned: { is: ["undefined", "boolean"] },
+    isPrivate: { is: ["undefined", "boolean"] },
+    onOpen: { is: ["undefined", "function"] },
+    onClose: { is: ["undefined", "function"] },
+    onReady: { is: ["undefined", "function"] },
+    onLoad: { is: ["undefined", "function"] },
+    onPageShow: { is: ["undefined", "function"] },
+    onActivate: { is: ["undefined", "function"] },
+    onDeactivate: { is: ["undefined", "function"] }
+  });
+}
+exports.Options = Options;