Show hosted app requests to extensions

chrome/test/data/extensions/api_test/webrequest_hosted_app/background.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.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*']

[not at google - send to devlin, 2015/09/08 16:09:20]

I don't know the webrequest API very well... why will "*webrequest_hosted_app*"
match the request?

[robwu, 2015/09/08 17:19:48]

Because the files are served at
http://localhost:PORT/extensions/api_test/webrequest_hosted_app/index.html, the
path contains the substring "webrequest_hosted_app".

 });