Move chrome.experimental.app.onLaunched event handler to chrome.app.runtime.onLaunched.

chrome/test/data/extensions/platform_apps/launch_file/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.
 
-// Test that there is a launchData.intent, it is set up proerly, and that the
-// FileEntry in launchData.intent.data can be read.
-function onLaunched(launchData) {
+chrome.app.runtime.onLaunched.addListener(function (launchData) {
+  // Test that there is a launchData.intent, it is set up proerly, and that the
+  // FileEntry in launchData.intent.data can be read.
   chrome.test.runTests([
     function testIntent() {
       chrome.test.assertFalse(!launchData, "No launchData");
       chrome.test.assertFalse(!launchData.intent, "No launchData.intent");
       chrome.test.assertEq(launchData.intent.action,
           "http://webintents.org/view");
       chrome.test.assertEq(launchData.intent.type,
           "chrome-extension://fileentry");
       chrome.test.assertFalse(!launchData.intent.data,
           "No launchData.intent.data");
 
       launchData.intent.data.file(function(file) {
         var reader = new FileReader();
         reader.onloadend = function(e) {
           chrome.test.assertEq(
               reader.result.indexOf("This is a test. Word."), 0);
           chrome.test.succeed();
         };
         reader.onerror = function(e) {
           chrome.test.fail("Error reading file contents.");
         };
         reader.readAsText(file);
       });
     }
   ]);
-}
-
-chrome.experimental.app.onLaunched.addListener(onLaunched);
+});