1 files changed, 35 insertions, 0 deletions
diff --git a/browser/components/webextensions/ext-c-tabs.js b/browser/components/webextensions/ext-c-tabs.js
new file mode 100644
index 000000000..d5ce9fbf9
--- /dev/null
+++ b/browser/components/webextensions/ext-c-tabs.js
@@ -0,0 +1,35 @@
+/* -*- Mode: indent-tabs-mode: nil; js-indent-level: 2 -*- */
+/* vim: set sts=2 sw=2 et tw=80: */
+"use strict";
+
+extensions.registerSchemaAPI("tabs", "addon_child", context => {
+  return {
+    tabs: {
+      connect: function(tabId, connectInfo) {
+        let name = "";
+        if (connectInfo && connectInfo.name !== null) {
+          name = connectInfo.name;
+        }
+        let recipient = {
+          extensionId: context.extension.id,
+          tabId,
+        };
+        if (connectInfo && connectInfo.frameId !== null) {
+          recipient.frameId = connectInfo.frameId;
+        }
+        return context.messenger.connect(context.messageManager, name, recipient);
+      },
+
+      sendMessage: function(tabId, message, options, responseCallback) {
+        let recipient = {
+          extensionId: context.extension.id,
+          tabId: tabId,
+        };
+        if (options && options.frameId !== null) {
+          recipient.frameId = options.frameId;
+        }
+        return context.messenger.sendMessage(context.messageManager, message, recipient, responseCallback);
+      },
+    },
+  };
+});