"use strict"; const { classes: Cc, interfaces: Ci, utils: Cu } = Components; const { loadSubScript } = Cc['@mozilla.org/moz/jssubscript-loader;1']. getService(Ci.mozIJSSubScriptLoader); const EventUtils = {}; loadSubScript("chrome://marionette/content/EventUtils.js", EventUtils); dump("Frame script loaded.\n"); addMessageListener("test:call", function (message) { dump("Calling function with name " + message.data.name + ".\n"); let data = message.data; XPCNativeWrapper.unwrap(content)[data.name].apply(undefined, data.args); sendAsyncMessage("test:call"); }); addMessageListener("test:click", function (message) { dump("Sending mouse click.\n"); let target = message.objects.target; EventUtils.synthesizeMouseAtCenter(target, {}, target.ownerDocument.defaultView); });