Implement window overrides in main context

lib/isolated_renderer/init.js

@@ -0,0 +1,22 @@
+/* global binding */
+
+'use strict'
+
+const {guestInstanceId, hiddenPage, openerId, send, sendSync} = binding
+const {parse} = JSON
+
+const ipcRenderer = {
+  send (...args) {
+    return send('ipc-message', args)
+  },
+
+  sendSync (...args) {
+    return parse(sendSync('ipc-message-sync', args))
+  },
+
+  // No-ops since events aren't received
+  on () {},
+  once () {}
+}
+
+require('../renderer/window-setup')(ipcRenderer, guestInstanceId, openerId, hiddenPage)