Show hosted app requests to extensions

chrome/test/data/extensions/api_test/webrequest_hosted_app/background.js

Index: chrome/test/data/extensions/api_test/webrequest_hosted_app/background.js
diff --git a/chrome/test/data/extensions/api_test/file_system/request_file_system_not_chromeos/background.js b/chrome/test/data/extensions/api_test/webrequest_hosted_app/background.js
similarity index 51%
copy from chrome/test/data/extensions/api_test/file_system/request_file_system_not_chromeos/background.js
copy to chrome/test/data/extensions/api_test/webrequest_hosted_app/background.js
index 4de17e4f640fb2d88e6e8dc0396e6eae06412811..7f2ee7ec2129beef2a978519fbd916f92931d58b 100644
--- a/chrome/test/data/extensions/api_test/file_system/request_file_system_not_chromeos/background.js
+++ b/chrome/test/data/extensions/api_test/webrequest_hosted_app/background.js
@@ -1,7 +1,8 @@
 // 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.app.runtime.onLaunched.addListener(function() {
-  chrome.app.window.create('test.html');
+chrome.webRequest.onBeforeRequest.addListener(function(details) {
+    chrome.test.sendMessage(details.type);
+}, {
+    urls: ['*://*/*webrequest_hosted_app*']
 });