Pass command line arguments onto platform apps which provide the right intent.

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

Index: chrome/test/data/extensions/platform_apps/launch_no_intent/test.js
diff --git a/chrome/test/data/extensions/platform_apps/launch_no_intent/test.js b/chrome/test/data/extensions/platform_apps/launch_no_intent/test.js
new file mode 100644
index 0000000000000000000000000000000000000000..4ec872a11f4d6f8acec97a6af03e84886228e7ba
--- /dev/null
+++ b/chrome/test/data/extensions/platform_apps/launch_no_intent/test.js
@@ -0,0 +1,15 @@
+// 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.
+
+// Check that there is no launch data.
+function onLaunched(launchData) {
+  chrome.test.runTests([
+    function testIntent() {
+      chrome.test.assertTrue(!launchData, "LaunchData found");
+      chrome.test.succeed();
+    }
+  ]);
+}
+
+chrome.experimental.app.onLaunched.addListener(onLaunched);