Allow platform apps to respond to Web Intents

chrome/test/data/extensions/platform_apps/launch_reply/test.js

+// Copyright (c) 2012 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.app.runtime.onLaunched.addListener(function(launchData) {
+  // Test that there is a launchData.intent, and it is set up properly. Then
+  // immediately reply to the intent with a success message.
+  chrome.test.runTests([
+    function testIntent() {
+      chrome.test.assertFalse(!launchData, "No launchData");
+      chrome.test.assertFalse(!launchData.intent, "No launchData.intent");
+      launchData.intent.postResult(true);
+    }
+  ]);
+});