1 files changed, 27 insertions, 0 deletions
diff --git a/toolkit/jetpack/framescript/FrameScriptManager.jsm b/toolkit/jetpack/framescript/FrameScriptManager.jsm
new file mode 100644
index 0000000000..1ce6ceb071
--- /dev/null
+++ b/toolkit/jetpack/framescript/FrameScriptManager.jsm
@@ -0,0 +1,27 @@
+/* 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 globalMM = Components.classes["@mozilla.org/globalmessagemanager;1"].
+                 getService(Components.interfaces.nsIMessageListenerManager);
+
+// Load frame scripts from the same dir as this module.
+// Since this JSM will be loaded using require(), PATH will be
+// overridden while running tests, just like any other module.
+const PATH = __URI__.replace('framescript/FrameScriptManager.jsm', '');
+
+// Builds a unique loader ID for this runtime. We prefix with the SDK path so
+// overriden versions of the SDK don't conflict
+var LOADER_ID = 0;
+this.getNewLoaderID = () => {
+  return PATH + ":" + LOADER_ID++;
+}
+
+const frame_script = function(contentFrame, PATH) {
+  let { registerContentFrame } = Components.utils.import(PATH + 'framescript/content.jsm', {});
+  registerContentFrame(contentFrame);
+}
+globalMM.loadFrameScript("data:,(" + frame_script.toString() + ")(this, " + JSON.stringify(PATH) + ");", true);
+
+this.EXPORTED_SYMBOLS = ['getNewLoaderID'];