Hide requests in an extension from other extensions

chrome/test/data/extensions/api_test/webrequest_extensions/app/background.js

Index: chrome/test/data/extensions/api_test/webrequest_extensions/app/background.js
diff --git a/chrome/test/data/extensions/api_test/webrequest_extensions/app/background.js b/chrome/test/data/extensions/api_test/webrequest_extensions/app/background.js
new file mode 100644
index 0000000000000000000000000000000000000000..5a4ed868fc12aa0ec71dbd2842bd274bc30399da
--- /dev/null
+++ b/chrome/test/data/extensions/api_test/webrequest_extensions/app/background.js
@@ -0,0 +1,17 @@
+// 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.test.getConfig(function(config) {
+  var baseUrl = 'http://example.com:' + config.testServer.port;
+
+  var x = new XMLHttpRequest();
+  x.open('GET', baseUrl + '/extensions/test_file.txt?app');
+  x.onloadend = function() {
+    // Just a sanity check to ensure that the server is running.
+    // The test does not change the response.
+    chrome.test.assertEq('Hello!', x.responseText);
+    chrome.test.sendMessage('app_done');
+  };
+  x.send();
+});