Track all extension frames in ProcessManager, inspect extensionoptions

chrome/test/data/extensions/api_test/messaging/connect_nobackground/test.js

+// Copyright 2015 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+chrome.runtime.onConnect.addListener(function(port) {
+  var succeed1 = chrome.test.callbackAdded();
+  var succeed2 = chrome.test.callbackAdded();
+  var succeed3 = chrome.test.callbackAdded();
+
+  port.onMessage.addListener(function(msg) {
+    chrome.test.log('port.onMessage was triggered.');
+    chrome.test.assertEq('Hello from content script', msg);
+    succeed1();
+  });
+
+  port.onDisconnect.addListener(function() {
+    chrome.test.log('port.onDisconnect was triggered.');
+    succeed2();
+  });
+
+  chrome.tabs.sendMessage(port.sender.tab.id, 'msg from tab', function(reply) {
+    chrome.test.log('tab.sendMessage\'s response callback was invoked');
+    chrome.test.assertEq('Reply here', reply);
+    succeed3();
+  });
+});
+
+chrome.test.getConfig(function(config) {
+  var url = 'http://localhost:' + config.testServer.port +
+      '/extensions/test_file.html?will_test_connect_and_sendMessage';
+  // Content script will try to connect and trigger onConnect.
+  chrome.tabs.create({
+    url: url
+  });
+});