Add m-esr52 at 52.6.0

1 files changed, 22 insertions, 0 deletions

diff --git a/addon-sdk/source/lib/sdk/tabs/helpers.js b/addon-sdk/source/lib/sdk/tabs/helpers.js
new file mode 100644
index 000000000..b2c8aa013
--- /dev/null
+++ b/addon-sdk/source/lib/sdk/tabs/helpers.js
@@ -0,0 +1,22 @@
+/* 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';
+
+module.metadata = {
+  'stability': 'unstable'
+};
+
+
+// NOTE: This file should only export Tab instances
+
+
+const { getTabForBrowser: getRawTabForBrowser } = require('./utils');
+const { modelFor } = require('../model/core');
+
+exports.getTabForRawTab = modelFor;
+
+function getTabForBrowser(browser) {
+  return modelFor(getRawTabForBrowser(browser)) || null;
+}
+exports.getTabForBrowser = getTabForBrowser;